864  
FNUS55 KRIW 182141  
FWFRIW  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
341 PM MDT SAT MAY 18 2013  
   
DISCUSSION  
 
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER  
ZONES 140...414...415...AND 416)...  
A WAVE OF LOW PRESSURE WILL MOVE ACROSS THE DISPATCH AREAS TODAY.  
THIS SYSTEM WILL BRING CONTINUED SHOWER ACTIVITY ACROSS THE  
AREA...WITH ISOLATED THUNDERSTORMS POSSIBLE EARLY IN THE AFTERNOON.  
GUSTY WIND MAY ACCOMPANY STORMS IN THE AFTERNOON. ANY STORMS SHOULD  
WEAKEN BY LATE THIS AFTERNOON...THOUGH A RETURN OF SHOWERS AND A FEW  
THUNDERSTORMS IS EXPECTED ON SUNDAY. THE WAVE OF LOW PRESSURE WILL  
INTRODUCE MUCH COOLER TEMPERATURES...WITH INCREASED HUMIDITY  
LINGERING FOR A COUPLE OF DAYS. SNOW WILL BE A POSSIBLITY ABOVE 8000  
FT MSL TONIGHT THROUGH MONDAY.  
   
..RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278  
 
AND 279)...  
WAVE AFTER WAVE OF LOW PRESSURE CONTINUES ACROSS THE DISPATCH AREA  
TODAY. THIS SYSTEM HAS BROUGHT CONTINUED SHOWER ACTIVITY NEAR THE  
AREA...WITH ISOLATED TO SCATTERED THUNDERSTORMS POSSIBLE IN THE  
AFTERNOON. GUSTY WIND MAY ACCOMPANY STORMS IN THE AFTERNOON. STORMS  
SHOULD WEAKEN THIS EVENING WITH THE LOSS OF DAYLIGHT...WITH A RETURN  
OF SHOWERS AND THUNDERSTORMS EXPECTED ON TOMORROW. THIS BROAD UPPER  
LOW PRESSURE SYSTEM WILL INTRODUCE COOLING TEMPERATURES...WITH  
INCREASED HUMIDITY LINGERING FOR A COUPLE OF DAYS. SNOW WILL ALSO BE  
POSSIBLE ABOVE 8000 FT MSL TONIGHT THROUGH MONDAY.  
   
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276  
 
282...283...285...286...287...288...AND 289)...  
ANOTHER IS A SERIES OF LOW PRESSURE WAVES WILL CONTINUE ACROSS THE  
DISPATCH AREAS TODAY. THESE SYSTEMS WILL BRING CONTINUED SHOWER  
ACTIVITY ACROSS THE AREA...WITH SCATTERED THUNDERSTORMS POSSIBLE IN  
THE AFTERNOON. GUSTY WIND MAY ACCOMPANY STORMS IN THE AFTERNOON. A  
FEW STORMS ACROSS THE BIG HORN BASIN MAY BECOME STRONG IN THE  
AFTERNOON WITH STRONG WIND AND HAIL 1/2 TO 3/4 INCH. PEA SIZE OR  
SMALLER HAIL WOULD BE COMMON EVERYWHERE ELSE. STORMS SHOULD WEAKEN  
THIS EVENING WITH THE LOSS OF DAYLIGHT...THOUGH A RETURN OF SHOWERS  
AND THUNDERSTORMS IS EXPECTED ON SUNDAY. PATCHY FOG WILL AGAIN BE  
POSSIBLE OVER NIGHT ACROSS THE BIG HORN BASIN IN RESPONSE TO  
ANTICIPATED RAIN. THE WAVE OF LOW PRESSURE WILL INTRODUCE COOLING  
TEMPERATURES...WITH INCREASED HUMIDITY LINGERING FOR A COUPLE OF  
DAYS. SNOW WILL ALSO BE A POSSIBILITY ABOVE 8000 FT MSL.  
   
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281  
 
285...289...AND 300)...  
A WAVE OF LOW PRESSURE WILL MOVE ACROSS THE DISPATCH AREAS TODAY.  
THIS SYSTEM WILL BRING CONTINUED SHOWER ACTIVITY ACROSS THE  
AREA...WITH SCATTERED THUNDERSTORMS POSSIBLE THIS AFTERNOON. GUSTY  
WIND MAY ACCOMPANY STORMS IN THE AFTERNOON. A FEW STORMS ACROSS  
JOHNSON COUNTY MAY BECOME STRONG IN THE AFTERNOON WITH STRONG WIND  
AND LARGER HAIL. STORMS SHOULD WEAKEN THIS EVENING WITH THE LOSS OF  
DAYLIGHT...THOUGH A RETURN OF SHOWERS AND THUNDERSTORMS IS EXPECTED  
ON SUNDAY. PATCHY FOG WILL AGAIN BE POSSIBLE OVER NIGHT ACROSS ZONE  
281 IN RESPONSE TO ANTICIPATED RAIN. THE WAVE OF LOW PRESSURE WILL  
INTRODUCE COOLING TEMPERATURES...WITH INCREASED HUMIDITY LINGERING  
FOR A COUPLE OF DAYS. SNOW LEVEL WILL DROP TO AROUND 8000 FT MSL  
OVERNIGHT TONIGHT AND THROUGH MONDAY.  
   
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS  
   
..HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT  
 
WYZ280-191015-  
NATRONA COUNTY/CASPER BLM-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....43-48.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.25 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......5500-8000 FT AGL UNTIL 2400...THEN 2500-3500 FT  
AGL.  
SMOKE DISPERSAL.....VERY GOOD (100000-120000 KNOT-FT) UNTIL  
2400...THEN POOR TO FAIR (28000-42000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....AROUND 58.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......21 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.37 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 5500-6000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (58000-78000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. ISOLATED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.20 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 0300...THEN AROUND  
25 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 2400...THEN 1500-3000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (48000-68000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....51-56.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........54-60 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 20 TO 25 MPH. GUSTS UP  
TO 30 MPH UNTIL 1200...THEN 35 MPH.  
RIDGE TOP WINDS.....NORTHWEST 25 TO 30 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.30 PERCENT UNTIL 1200...THEN 45 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH UNTIL 0900...THEN NORTH  
45 TO 50 MPH.  
MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1200...THEN 3500-4500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (88000-108000 KNOT-FT) UNTIL  
1200...THEN VERY GOOD TO EXCELLENT  
(148000-168000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS. LOWS AROUND  
40. NORTHWEST WINDS AROUND 15 MPH.    
TUESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS AROUND 80. SOUTHEAST WINDS AROUND  
10 MPH.    
FRIDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.    
SATURDAY  
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 70S.  
 
 
 
WYZ283-191015-  
UPPER WIND RIVER BASIN/WIND RIVER BASIN-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....40-46.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........76-82 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY UNTIL  
2400...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.25 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......5500-8000 FT AGL UNTIL 2400...THEN 2500-4500 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (52000-72000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....56-61.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH. GUSTS UP TO 15 MPH  
UNTIL 1500...THEN 20 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.37 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 5500-6000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (58000-78000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400...THEN SCATTERED RAIN  
SHOWERS.  
MIN TEMPERATURE.....40-45.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25  
MPH UNTIL 2400.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.17 PERCENT.  
TRANSPORT WINDS.....NORTH 25 TO 30 MPH UNTIL 2400...THEN NORTHWEST  
AROUND 15 MPH.  
MIXING HEIGHT.......3500-6000 FT AGL UNTIL 2400...THEN 2000-3500 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (46000-66000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS UNTIL 1200...THEN  
SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS.  
MAX TEMPERATURE.....54-59.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........43-49 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGE TOP WINDS.....NORTH 20 TO 25 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.25 PERCENT UNTIL 1200...THEN 10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH UNTIL 0900...THEN NORTH  
40 TO 45 MPH.  
MIXING HEIGHT.......2500-5000 FT AGL UNTIL 1200...THEN 4500-6500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (92000-112000 KNOT-FT) UNTIL  
1200...THEN EXCELLENT (180000-200000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING  
 
THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 40S.  
NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 40S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS  
THAN 10 MPH.    
THURSDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS AROUND 80. WINDS GENERALLY LESS THAN  
10 MPH.    
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS 75 TO 80.  
 
 
 
WYZ285-191015-  
SOUTH BIGHORN MOUNTAINS-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....38-44.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........87-93 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.35 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......4000-6500 FT AGL UNTIL 2400...THEN 2000-2500 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (40000-60000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........52-58 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.35 PERCENT UNTIL 1200...THEN 45 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (46000-66000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400...THEN SCATTERED RAIN  
SHOWERS AND NUMEROUS SNOW SHOWERS. SNOW  
ACCUMULATION UP TO 1 INCH.  
MIN TEMPERATURE.....35-41.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........88-94 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 0300...THEN AROUND  
30 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.25 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......1500-3500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (34000-54000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....43-50.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........56-62 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 30 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 30 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.35 PERCENT UNTIL 1200...THEN 25 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH UNTIL 0900...THEN NORTH  
40 TO 45 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL.  
SMOKE DISPERSAL.....GOOD (66000-86000 KNOT-FT) UNTIL 1200...THEN  
VERY GOOD (116000-136000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING  
 
THEN ISOLATED SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE  
UPPER 30S. NORTHWEST WINDS AROUND 15 MPH.    
TUESDAY  
WARMER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS  
IN THE LOWER 40S. HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS THAN  
10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. SOUTH WINDS AROUND  
10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
AROUND 50. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH.    
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS 70 TO 75.  
 
 
 
WYZ281-191015-  
JOHNSON COUNTY/CASPER BLM-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........CLOUDY. SCATTERED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....45-50.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........83-89 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.40 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......4500-7000 FT AGL UNTIL 2400...THEN 2000-3000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (36000-56000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS UNTIL  
1200...THEN NUMEROUS RAIN SHOWERS.  
MAX TEMPERATURE.....56-61.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........51-57 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.40 PERCENT UNTIL 1200...THEN 50 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500-5000 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (48000-68000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400...THEN SCATTERED RAIN  
SHOWERS.  
MIN TEMPERATURE.....40-45.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........86-92 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 35 MPH.  
RIDGE TOP WINDS.....NORTHWEST 25 TO 30 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.25 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 0300...THEN AROUND  
30 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 2400...THEN 1500-2000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (36000-56000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........58-64 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. NORTHWEST WINDS 25 TO 30 MPH. GUSTS UP  
TO 40 MPH UNTIL 1200...THEN 45 MPH.  
RIDGE TOP WINDS.....NORTHWEST 30 TO 35 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.30 PERCENT UNTIL 1200...THEN 40 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH UNTIL 0900...THEN NORTH  
50 TO 55 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (86000-106000 KNOT-FT) UNTIL  
1200...THEN EXCELLENT (172000-192000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS AROUND 20 MPH.    
TUESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS  
AROUND 10 MPH.    
THURSDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS  
AROUND 15 MPH.    
FRIDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS AROUND 80.    
SATURDAY  
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 70S.  
 
 
 
WYZ282-191015-  
SOUTH BIG HORN BASIN/WORLAND BLM-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....45-50.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........83-89 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.32 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400...THEN 10 TO  
15 MPH.  
MIXING HEIGHT.......4000-6500 FT AGL UNTIL 2400...THEN 2500-3000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (36000-56000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....57-62.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.37 PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL.  
SMOKE DISPERSAL.....GOOD (62000-82000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. ISOLATED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 0300...THEN AROUND  
30 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.17 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......2500-5000 FT AGL UNTIL 2400...THEN 2000-2500 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (50000-70000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........42-48 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 35 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.17 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH UNTIL 0900...THEN NORTH  
40 TO 45 MPH.  
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 1200...THEN 3500-6000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (86000-106000 KNOT-FT) UNTIL  
1200...THEN EXCELLENT (168000-188000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS AROUND 15 MPH.    
TUESDAY  
WARMER. PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE  
MID 60S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 50. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN  
10 MPH.    
THURSDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S. WINDS GENERALLY LESS  
THAN 10 MPH.    
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS 78 TO 83.  
 
 
 
WYZ275-191015-  
NORTH BIG HORN BASIN/WORLAND BLM-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........CLOUDY. SCATTERED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....44-50.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........83-89 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.37 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......3500-6000 FT AGL UNTIL 2400...THEN 2500-3500 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (38000-58000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....56-62.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........43-49 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH UNTIL 1200...THEN 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1500...THEN AROUND  
25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.37 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1200...THEN AROUND  
25 MPH.  
MIXING HEIGHT.......2500-5000 FT AGL.  
SMOKE DISPERSAL.....GOOD (68000-88000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. ISOLATED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....41-47.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 30 MPH.  
RIDGE TOP WINDS.....NORTHWEST 25 TO 30 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.15 PERCENT UNTIL 2400...THEN 5 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 2400...THEN 1500-2000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....52-59.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........43-49 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 35 MPH.  
RIDGE TOP WINDS.....NORTH AROUND 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.17 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH UNTIL 0900...THEN NORTH  
45 TO 50 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 4000-6500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (92000-112000 KNOT-FT) UNTIL  
1200...THEN EXCELLENT (182000-202000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE  
LOWER 40S. NORTH WINDS AROUND 15 MPH.    
TUESDAY  
WARMER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS  
IN THE MID 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN  
10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS  
THAN 10 MPH.    
THURSDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. WINDS GENERALLY LESS  
THAN 10 MPH.    
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS 77 TO 82.  
 
 
 
WYZ276-191015-  
CODY FOOTHILLS-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........CLOUDY. SCATTERED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....40-46.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........83-89 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0300...THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.40 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3500-5500 FT AGL UNTIL 2400...THEN 2500-3500 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (34000-54000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....51-58.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........50-56 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH. 20 MPH AFTER 0900.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.42 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL.  
SMOKE DISPERSAL.....GOOD (68000-88000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. ISOLATED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....37-43.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........80-86 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 0300...THEN AROUND  
30 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......2500-5000 FT AGL UNTIL 2400...THEN 2000-2500 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (58000-78000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....51-58.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........49-55 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......NORTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND  
30 MPH.  
RIDGE TOP WINDS.....NORTH 25 TO 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.20 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH UNTIL 0900...THEN NORTH  
AROUND 40 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 4000-6500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (82000-102000 KNOT-FT) UNTIL  
1200...THEN EXCELLENT (160000-180000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 40S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS  
THAN 10 MPH.    
THURSDAY  
MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
AROUND 50. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH.    
FRIDAY  
PARTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 50. HIGHS IN THE MID 70S.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 70S.  
 
 
 
WYZ287-191015-  
OWL CREEK MOUNTAINS-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....38-44.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 2400...THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300...THEN  
NORTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.37 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......4000-6500 FT AGL UNTIL 2400...THEN 3000-3500 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (36000-56000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....50-57.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........54-60 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTH AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.42 PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5000 FT AGL.  
SMOKE DISPERSAL.....GOOD (62000-82000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400...THEN SCATTERED RAIN  
SHOWERS AND NUMEROUS SNOW SHOWERS. LITTLE OR NO  
SNOW ACCUMULATION.  
MIN TEMPERATURE.....37-43.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........85-91 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGE TOP WINDS.....NORTH AROUND 20 MPH UNTIL 0300...THEN NORTHWEST  
AROUND 30 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.20 PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 35 MPH UNTIL 2400...THEN NORTHWEST  
AROUND 20 MPH UNTIL 0300...THEN AROUND 30 MPH.  
MIXING HEIGHT.......2500-4500 FT AGL.  
SMOKE DISPERSAL.....GOOD (66000-86000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS UNTIL 1200...THEN  
SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS.  
MAX TEMPERATURE.....49-54.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........53-59 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. NORTH WINDS 20 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH.  
RIDGE TOP WINDS.....NORTH 30 TO 35 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.30 PERCENT UNTIL 1200...THEN 15 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH UNTIL 0900...THEN NORTH  
AROUND 45 MPH.  
MIXING HEIGHT.......2500-4000 FT AGL UNTIL 1200...THEN 4000-6000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (98000-118000 KNOT-FT) UNTIL  
1200...THEN EXCELLENT (172000-192000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING  
 
THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS AROUND 40. NORTHWEST  
WINDS AROUND 15 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
60S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND  
10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
AROUND 50. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.   
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS 70 TO 75.  
 
 
 
WYZ286-191015-  
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.  
MIN TEMPERATURE.....28-36.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........86-92 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 0300...THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.42 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5000 FT AGL UNTIL 2400...THEN 2500-3000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (34000-54000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND SNOW  
SHOWERS. SNOW ACCUMULATION UP TO 1 INCH.  
MAX TEMPERATURE.....41-48.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........53-59 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900...THEN  
NORTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.55 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500-4500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (46000-66000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. NUMEROUS SNOW SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400. SCATTERED RAIN  
SHOWERS. SCATTERED SNOW SHOWERS AFTER 2400.  
SNOW ACCUMULATION AROUND 1 INCH.  
MIN TEMPERATURE.....26-34.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........89-95 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.20 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 2400...THEN 1500-2500 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (26000-46000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. NUMEROUS SNOW SHOWERS UNTIL 1200.  
SCATTERED RAIN SHOWERS. ISOLATED THUNDERSTORMS  
AFTER 1200. SNOW ACCUMULATION UP TO 1 INCH.  
MAX TEMPERATURE.....42-49.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........59-65 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTH 15 TO 20 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.27 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH UNTIL 0900...THEN NORTH  
25 TO 30 MPH UNTIL 1500...THEN AROUND 20 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 4000-5000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD (62000-82000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND ISOLATED  
SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
WEDNESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS  
THUNDERSTORMS  
AND SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S.  
WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS  
THUNDERSTORMS AND  
ISOLATED SNOW SHOWERS. LOWS AROUND 40. HIGHS IN THE LOWER 60S. WINDS  
GENERALLY LESS THAN 10 MPH.    
FRIDAY...PARTLY CLOUDY WITH SCATTERED SHOWERS  
THUNDERSTORMS AND  
ISOLATED SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S.    
SATURDAY...PARTLY CLOUDY. ISOLATED SHOWERS IN THE MORNING  
THEN  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE  
LOWER 60S.  
 
 
 
WYZ140-191015-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING...LAKE...MAMMOTH...OLD FAITHFUL  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........CLOUDY. NUMEROUS THUNDERSTORMS UNTIL 2400.  
NUMEROUS RAIN SHOWERS AND SNOW SHOWERS. SNOW  
ACCUMULATION UP TO 1 INCH.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........90-96 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100...THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................5 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.52 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......2500-4500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (28000-48000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........CLOUDY. NUMEROUS SNOW SHOWERS UNTIL 1200.  
NUMEROUS RAIN SHOWERS. LITTLE OR NO SNOW  
ACCUMULATION.  
MAX TEMPERATURE.....43-48.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........50-56 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN  
NORTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.55 PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
MIXING HEIGHT.......2500-4500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (48000-68000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 2400. SCATTERED  
SNOW SHOWERS.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........88-94 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTH 25 TO 30 MPH UNTIL 2400...THEN NORTHWEST  
AROUND 15 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 2400...THEN 1500-2500 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (34000-54000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS UNTIL  
1200. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....46-53.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........51-57 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTH AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 0900...THEN AROUND 35  
MPH UNTIL 1200...THEN 20 TO 25 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 4500-6000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD (78000-98000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS IN THE EVENING  
 
THEN ISOLATED SNOW SHOWERS AFTER MIDNIGHT. LOWS AROUND 30. WINDS  
GENERALLY LESS THAN 10 MPH.    
TUESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND ISOLATED  
SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
WEDNESDAY...PARTLY CLOUDY WITH SCATTERED SHOWERS  
THUNDERSTORMS  
AND ISOLATED SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY...MOSTLY CLOUDY. ISOLATED SHOWERS  
THUNDERSTORMS AND SNOW  
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
FRIDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS  
THUNDERSTORMS AND  
SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S.    
SATURDAY...PARTLY CLOUDY. ISOLATED SHOWERS IN THE MORNING  
THEN  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND  
60.  
 
 
 
WYZ415-191015-  
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.  
MIN TEMPERATURE.....28-34.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........86-92 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL  
0300...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.40 PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000-5000 FT AGL UNTIL 2400...THEN 2000-3000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (30000-50000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW  
SHOWERS UNTIL 1200...THEN NUMEROUS RAIN  
SHOWERS. SNOW ACCUMULATION UP TO 1 INCH.  
MAX TEMPERATURE.....42-50.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........50-56 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN  
NORTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.45 PERCENT UNTIL 1200...THEN 55 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (46000-66000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 2400. SCATTERED  
SNOW SHOWERS. ISOLATED RAIN SHOWERS AFTER 2400.  
MIN TEMPERATURE.....27-33.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........87-93 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 2400...THEN 1500-2000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (26000-46000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS UNTIL  
1200. SCATTERED RAIN SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....46-55.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........52-58 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH HIGHER  
GUSTS.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 0900...THEN NORTH  
AROUND 35 MPH UNTIL 1200...THEN AROUND 20 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 4500-5500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD (74000-94000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED  
SHOWERS IN THE EVENING...THEN ISOLATED SNOW SHOWERS AND SHOWERS  
AFTER MIDNIGHT. LOWS AROUND 30. NORTH WINDS AROUND 10 MPH.    
TUESDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND ISOLATED SNOW  
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
WEDNESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS  
THUNDERSTORMS  
AND ISOLATED SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 60.  
WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY...MOSTLY CLOUDY. ISOLATED SHOWERS  
THUNDERSTORMS AND SNOW  
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 10 MPH.    
FRIDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS  
THUNDERSTORMS AND  
SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S.    
SATURDAY...PARTLY CLOUDY. ISOLATED SHOWERS IN THE MORNING  
THEN  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND  
60.  
 
 
 
WYZ416-191015-  
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400. SCATTERED SNOW  
SHOWERS.  
MIN TEMPERATURE.....24-32.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.32 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3500-6000 FT AGL UNTIL 2400...THEN 2000-3000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS UNTIL  
1200. SCATTERED RAIN SHOWERS. NUMEROUS SNOW  
SHOWERS AFTER 1200. SNOW ACCUMULATION UP TO 1  
INCH.  
MAX TEMPERATURE.....42-50.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 15  
MPH UNTIL 1500...THEN 20 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.47 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500-5000 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (46000-66000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. ISOLATED THUNDERSTORMS UNTIL 2400.  
NUMEROUS SNOW SHOWERS AND SCATTERED RAIN  
SHOWERS. SNOW ACCUMULATION AROUND 1 INCH.  
MIN TEMPERATURE.....25-33.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........83-89 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.22 PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 2400...THEN 1000-2000 FT  
AGL.  
SMOKE DISPERSAL.....POOR (16000-36000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS UNTIL  
1200. SCATTERED RAIN SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200. SNOW ACCUMULATION UP  
TO 1 INCH.  
MAX TEMPERATURE.....45-52.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........53-59 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTH AROUND 15 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.25 PERCENT UNTIL 1200...THEN 15 PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 4000-5000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (38000-58000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND SNOW  
SHOWERS. LOWS IN THE UPPER 20S. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID  
30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY...MOSTLY CLOUDY. SCATTERED SHOWERS  
THUNDERSTORMS AND  
ISOLATED SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS  
THUNDERSTORMS AND  
SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS AROUND 60. SOUTH WINDS  
AROUND 10 MPH.    
FRIDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS  
THUNDERSTORMS AND  
SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.    
SATURDAY...PARTLY CLOUDY. ISOLATED SHOWERS IN THE MORNING  
THEN  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE  
UPPER 50S.  
 
 
 
WYZ288-191015-  
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.  
MIN TEMPERATURE.....25-35.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........77-83 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST AROUND 20 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.35 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......4000-6500 FT AGL UNTIL 2400...THEN 2500-3500 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (52000-72000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS UNTIL  
1200. NUMEROUS SNOW SHOWERS. NUMEROUS RAIN  
SHOWERS AFTER 1200. SNOW ACCUMULATION UP TO 1  
INCH.  
MAX TEMPERATURE.....43-52.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.47 PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
MIXING HEIGHT.......2500-5000 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (50000-70000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. ISOLATED THUNDERSTORMS UNTIL 2400.  
NUMEROUS SNOW SHOWERS AND RAIN SHOWERS. SNOW  
ACCUMULATION OF 1 TO 2 INCHES.  
MIN TEMPERATURE.....25-35.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........88-94 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.32 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 2400...THEN 1500-2000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (28000-48000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS AND SNOW SHOWERS  
UNTIL 1200...THEN SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS. SNOW ACCUMULATION UP TO  
1 INCH.  
MAX TEMPERATURE.....45-52.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........57-63 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTH 20 TO 25 MPH UNTIL 1500...THEN AROUND 15  
MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.40 PERCENT UNTIL 1200...THEN 25 PERCENT.  
TRANSPORT WINDS.....NORTH 20 TO 25 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 4000-5000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (58000-78000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND SCATTERED  
SHOWERS IN THE EVENING...THEN SCATTERED SNOW SHOWERS AND SHOWERS  
AFTER MIDNIGHT. LOWS AROUND 30. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY...PARTLY CLOUDY. SCATTERED SHOWERS  
THUNDERSTORMS AND  
SNOW SHOWERS. LOWS IN THE LOWER 40S. HIGHS AROUND 60. SOUTHWEST  
WINDS AROUND 10 MPH.    
THURSDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS  
THUNDERSTORMS AND  
SNOW SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. SOUTH  
WINDS AROUND 10 MPH.    
FRIDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS  
THUNDERSTORMS AND  
SNOW SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S.    
SATURDAY...PARTLY CLOUDY. ISOLATED SHOWERS IN THE MORNING  
THEN  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND  
60.  
 
 
 
WYZ414-191015-  
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........80-86 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST AROUND 20 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.27 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 2400...THEN AROUND 15  
MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 2400...THEN 2000-3500 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (46000-66000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS UNTIL  
1200. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....46-51.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH UNTIL 1500...THEN 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.37 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 5500-6000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD (64000-84000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........89-95 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.7 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......2500-5000 FT AGL UNTIL 2400...THEN 500-2000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (34000-54000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS UNTIL  
1200. SCATTERED RAIN SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....49-57.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.7 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH UNTIL 0900...THEN NORTH  
AROUND 35 MPH UNTIL 1200...THEN AROUND 25 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 5000-6000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (88000-108000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED  
SHOWERS IN THE EVENING...THEN ISOLATED SHOWERS AND SNOW SHOWERS  
AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTHWEST WINDS AROUND  
10 MPH.    
TUESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS AROUND 60. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY...MOSTLY CLOUDY. SCATTERED SHOWERS  
THUNDERSTORMS AND  
ISOLATED SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S. SOUTH WINDS AROUND 10 MPH.    
THURSDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 40. HIGHS IN THE MID 60S. SOUTH WINDS AROUND 10 MPH.    
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS  
IN THE UPPER 30S. HIGHS IN THE MID 60S.  
 
 
 
WYZ278-191015-  
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED THUNDERSTORMS UNTIL  
2400. ISOLATED RAIN SHOWERS. ISOLATED SNOW  
SHOWERS AFTER 2400.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........77-83 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25  
MPH UNTIL 2100...THEN 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................3 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.12 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......4000-6500 FT AGL UNTIL 2400...THEN 2000-4000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (52000-72000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.  
ISOLATED RAIN SHOWERS AND SNOW SHOWERS UNTIL  
1200...THEN SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH UNTIL 1200...THEN 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.15 PERCENT UNTIL 1200...THEN 35 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 0900...THEN NORTHWEST  
AROUND 20 MPH.  
MIXING HEIGHT.......3500-6000 FT AGL UNTIL 1200...THEN 6000-7500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (82000-102000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS. SCATTERED SNOW  
SHOWERS AFTER 2400.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........85-91 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25  
MPH UNTIL 2400.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 2400...THEN 500-2500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD (60000-80000 KNOT-FT) UNTIL 2400...THEN  
POOR (8000-26000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....55-60.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........37-43 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.7 PERCENT.  
TRANSPORT WINDS.....NORTH 20 TO 25 MPH.  
MIXING HEIGHT.......2500-5000 FT AGL UNTIL 1200...THEN 6000-7000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (80000-100000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS IN THE EVENING  
 
THEN ISOLATED SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE  
MID 30S. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS  
THAN 10 MPH.    
THURSDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 70S.  
 
 
 
WYZ277-191015-  
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED THUNDERSTORMS UNTIL  
2400. SLIGHT CHANCE OF SNOW SHOWERS AND  
ISOLATED RAIN SHOWERS.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......MISSING.  
MAX HUMIDITY........81-87 PERCENT.  
24 HR TREND......MISSING.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH  
UNTIL 2400...THEN 15 MPH.  
RIDGE TOP WINDS.....  
LAL.................3 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.17 PERCENT.  
TRANSPORT WINDS.....  
MIXING HEIGHT.......MISSING.  
SMOKE DISPERSAL.....MISSING.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS UNTIL  
1200. SCATTERED SNOW SHOWERS. SCATTERED RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....49-57.  
24 HR TREND......MISSING.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......MISSING.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.32 PERCENT.  
TRANSPORT WINDS.....  
MIXING HEIGHT.......MISSING.  
SMOKE DISPERSAL.....MISSING.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
2400...THEN CHANCE OF SNOW SHOWERS AND ISOLATED  
RAIN SHOWERS.  
MIN TEMPERATURE.....30-36.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........86-92 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND  
25 MPH.  
RIDGE TOP WINDS.....  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.20 PERCENT.  
TRANSPORT WINDS.....  
MIXING HEIGHT.......MISSING.  
SMOKE DISPERSAL.....MISSING.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
CHANCE OF SNOW SHOWERS. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....52-59.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH UNTIL 1200...THEN  
NORTHEAST. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....  
MIXING HEIGHT.......MISSING.  
SMOKE DISPERSAL.....MISSING.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AND SNOW  
SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHEAST WINDS AROUND  
10 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS  
AROUND 10 MPH.    
THURSDAY  
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 70.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS 68 TO 73.  
 
 
 
WYZ279-191015-  
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY.  
ISOLATED THUNDERSTORMS UNTIL 2400. ISOLATED  
RAIN SHOWERS. ISOLATED SNOW SHOWERS AFTER 2400.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....WEST AROUND 20 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 0300...THEN AROUND 15  
MPH.  
MIXING HEIGHT.......5000-7500 FT AGL UNTIL 2400...THEN 2000-4500 FT  
AGL.  
SMOKE DISPERSAL.....VERY GOOD (102000-122000 KNOT-FT) UNTIL  
2400...THEN POOR TO FAIR (36000-56000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.  
ISOLATED RAIN SHOWERS UNTIL 1200...THEN  
SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....54-59.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND  
25 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.15 PERCENT UNTIL 1200...THEN 30 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......3500-6000 FT AGL UNTIL 1200...THEN 7000-7500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD (68000-88000 KNOT-FT) UNTIL 1200...THEN  
VERY GOOD (118000-136000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 2400...THEN  
ISOLATED RAIN SHOWERS AND SNOW SHOWERS.  
MIN TEMPERATURE.....35-40.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........83-89 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH. GUSTS UP TO 25  
MPH UNTIL 2400...THEN 20 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......4000-6500 FT AGL UNTIL 2400...THEN 2000-4000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (56000-76000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....56-61.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.7 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH UNTIL 0900...THEN 25 TO  
30 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 5000-7000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (94000-114000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING  
 
THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 30S.  
NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND  
10 MPH.    
THURSDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. SOUTH WINDS AROUND 10 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID 70S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 
 
 
WYZ289-191015-  
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400...THEN ISOLATED RAIN  
SHOWERS.  
MIN TEMPERATURE.....37-43.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........79-85 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH  
UNTIL 2400...THEN 15 MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.20 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 2400...THEN AROUND 15  
MPH.  
MIXING HEIGHT.......5000-7500 FT AGL UNTIL 2400...THEN 2500-4500 FT  
AGL.  
SMOKE DISPERSAL.....VERY GOOD (104000-124000 KNOT-FT) UNTIL  
2400...THEN FAIR TO GOOD (40000-60000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH UNTIL 1500...THEN 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.32 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 5000-6000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD (66000-86000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. ISOLATED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS. SCATTERED SNOW SHOWERS  
AFTER 2400.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.17 PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 25 MPH UNTIL 2400...THEN NORTHWEST  
15 TO 20 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 2400...THEN 2000-3000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (46000-66000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS UNTIL  
1200...THEN SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........49-55 PERCENT.  
24 HR TREND......16 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 25 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.22 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH UNTIL 0900...THEN NORTH  
40 TO 45 MPH.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 4000-5500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD (76000-96000 KNOT-FT) UNTIL 1200...THEN  
VERY GOOD TO EXCELLENT (140000-160000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING  
 
THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 30S.  
NORTHWEST WINDS AROUND 15 MPH.    
TUESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.   
WEDNESDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND  
10 MPH.    
THURSDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 50. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 10 MPH.    
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS 73 TO 78.  
 
 
 
WYZ300-191015-  
CASPER MOUNTAIN-  
341 PM MDT SAT MAY 18 2013  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED RAIN SHOWERS.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........86-92 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
LAL.................4 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.25 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......5000-7500 FT AGL UNTIL 2400...THEN 2500-3000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (96000-116000 KNOT-FT) UNTIL  
2400...THEN POOR (32000-38000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS.  
MAX TEMPERATURE.....51-56.  
24 HR TREND......14 DEGREES COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......21 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH HIGHER  
GUSTS.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.35 PERCENT UNTIL 1200...THEN 45 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 5000-5500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD (64000-84000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. ISOLATED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS. SCATTERED SNOW SHOWERS  
AFTER 2400.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........85-91 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH.  
LAL.................2 UNTIL 2400...THEN 1.  
CHC OF WETTING RAIN.25 PERCENT UNTIL 2400...THEN 35 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 2400...THEN 1500-2500 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (50000-70000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........67-73 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 30 MPH.  
RIDGE TOP WINDS.....NORTHWEST 25 TO 30 MPH.  
LAL.................1 UNTIL 1200...THEN 2.  
CHC OF WETTING RAIN.50 PERCENT UNTIL 1200...THEN 60 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH UNTIL 0900...THEN NORTH  
45 TO 50 MPH.  
MIXING HEIGHT.......1500-3500 FT AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (98000-118000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT...CLOUDY. SCATTERED SHOWERS IN THE EVENING  
THEN  
SCATTERED SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE MID  
30S. NORTH WINDS AROUND 15 MPH.    
TUESDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY THROUGH THURSDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS  
AND THUNDERSTORMS. LOWS 46 TO 51. HIGHS 66 TO 72. SOUTH WINDS 10 TO  
15 MPH.    
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S.  
 
 
 
 
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