375  
FNUS55 KRIW 200916  
FWFRIW  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
316 AM MDT SAT JUL 20 2019  
   
DISCUSSION
 
 
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER  
ZONES 140...414...415...AND 416)...  
 
EXPECT ANOTHER WARM TO HOT DAY TODAY. WIND SHOULD BE SOMEWHAT LESS  
TODAY THEN THE PREVIOUS TWO DAYS. ONCE AGAIN, THE STRONGEST WIND  
WILL OCCUR IN THE SOUTHERN ZONES WHERE ELEVATED FIRE BEHAVIOR WILL  
BE POSSIBLE IN THE AFTERNOON. RELATIVE HUMIDITY WILL REMAIN ABOVE  
CRITICAL LEVELS. MIXING AND SMOKE DISPERSAL WILL BE GENERALLY GOOD  
TO VERY GOOD.  
   
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
 
 
282...283...285...286...287...288...AND 289)...  
 
EXPECT A COOLER DAY TODAY FOLLOWING THE PASSAGE OF A COLD FRONT.  
HIGHER HUMIDITY WILL IMPROVE FIRE BEHAVIOR AS WELL. BREEZY  
CONDITIONS WILL DEVELOP IN SPOTS THIS AFTERNOON BUT WIND WILL  
NOT BE AS STRONG AS RECENT DAYS. A STRAY LATE DAY THUNDERSTORM  
WILL BE POSSIBLE OVER PORTIONS OF ZONE 289. MIXING AND SMOKE  
DISPERSAL WILL RANGE FROM FAIR TO POOR IN THE BASINS TO GOOD ACROSS  
PORTIONS OF ZONE 289.  
   
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278
 
 
279...280...281...285...289...AND 300)...  
 
FROM ZONE 289 AND NORTHWARD, EXPECT COOLER TEMPERATURES AND HIGHER  
HUMIDITY FOLLOWING THE PASSAGE OF A COLD FRONT. IN THE SOUTHERN  
ZONES, WARM AND BREEZY CONDITIONS WILL CONTINUE. WIND SHOULD NOT  
BE AS STRONG AS RECENT DAYS THOUGH. ELEVATED FIRE BEHAVIOR WILL  
STILL BE POSSIBLE IN THE AFTERNOON ACROSS THE SOUTHERN ZONES  
THOUGH. ISOLATED LATE DAY AND EVENING THUNDERSTORMS WILL BE  
POSSIBLE FROM SOUTHERN SWEETWATER COUNTY NORTHWARD TO JOHNSON  
COUNTY. MIXING AND SMOKE DISPERSAL WILL RANGE FROM FAIR TO POOR  
OVER JOHNSON AND NATRONA COUNTIES TO GOOD TO VERY GOOD FURTHER  
SOUTH.  
   
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
 
   
..HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT
 
 
WYZ280-202300-  
NATRONA COUNTY/CASPER BLM-  
INCLUDING THE CITIES OF CASPER AND MIDWEST  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS LATE IN  
THE AFTERNOON. ISOLATED THUNDERSTORMS LATE IN  
THE AFTERNOON. SCATTERED RAIN SHOWERS LATE IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 30  
PERCENT.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......15 DEGREES COOLER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......24 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH UNTIL 1500, THEN  
SOUTHEAST.  
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200. 5800-6600 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS EARLY IN  
THE EVENING. ISOLATED THUNDERSTORMS IN THE  
EVENING. ISOLATED RAIN SHOWERS IN THE LATE  
EVENING AND EARLY MORNING. CHANCE OF  
PRECIPITATION 30 PERCENT.  
MIN TEMPERATURE.....53-58.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........85-91 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH UNTIL 0300.  
RIDGE TOP WINDS.....NORTHEAST 15 TO 20 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.10 PERCENT UNTIL 2400, THEN ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH UNTIL 2400, THEN  
NORTHEAST AROUND 10 MPH.  
MIXING HEIGHT.......6000-7400 FT AGL UNTIL 2100, THEN 200-1000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
NORTHEAST 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH UNTIL 1500, THEN AROUND  
20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH UNTIL 0900, THEN NORTHEAST  
AROUND 15 MPH.  
MIXING HEIGHT.......200-400 FT AGL UNTIL 0900. 4800-5000 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
80S. SOUTHEAST WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE LOWER  
90S. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 80S.  
 

 
 
WYZ283-202300-  
UPPER WIND RIVER BASIN/WIND RIVER BASIN-  
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN EAST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....EAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 1200, THEN SOUTH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 6200-8000 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2100, THEN  
NORTHEAST UNTIL 0300, THEN NORTH AROUND 5 MPH.  
MIXING HEIGHT.......7200-8400 FT AGL UNTIL 2100, THEN 200-600 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........35-41 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN EAST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....EAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 4600-6600 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS GENERALLY LESS THAN  
10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 60. HIGHS AROUND 90. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.    
FRIDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S.  
 

 
 
WYZ285-202300-  
SOUTH BIGHORN MOUNTAINS-  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....71-76.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........42-48 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH UNTIL 1200, THEN EAST.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 0900. SOUTH AFTER  
1200.  
MIXING HEIGHT.......200-2200 FT AGL UNTIL 1200, THEN 3800-5400 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHEAST 15 TO 20 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH UNTIL 0300, THEN NORTH.  
MIXING HEIGHT.......4600-5000 FT AGL UNTIL 2100, THEN 200-600 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........52-58 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH.  
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 5000-5400 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS AROUND  
10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS 81 TO 86.  
WEST WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS AROUND 80.    
FRIDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ281-202300-  
JOHNSON COUNTY/CASPER BLM-  
INCLUDING THE CITIES OF BUFFALO AND KAYCEE  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........42-48 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH UNTIL 1500, THEN  
SOUTHEAST.  
MIXING HEIGHT.......600-1000 FT AGL UNTIL 0900. 5600-6000 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS EARLY IN  
THE EVENING. ISOLATED THUNDERSTORMS IN THE  
EVENING. ISOLATED RAIN SHOWERS IN THE LATE  
EVENING AND EARLY MORNING. CHANCE OF  
PRECIPITATION 30 PERCENT.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....EAST 10 TO 15 MPH.  
MIXING HEIGHT.......5800-6400 FT AGL UNTIL 2100, THEN 200-1600 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....68-73.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........59-65 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
NORTHEAST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH UNTIL 0900, THEN 15 TO 20  
MPH.  
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1200, THEN 2800-4800 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS AROUND 10 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.  
SOUTHEAST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 90. WINDS  
GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 90. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS 83 TO 88.  
 

 
 
WYZ282-202300-  
SOUTH BIG HORN BASIN/WORLAND BLM-  
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN  
NORTHEAST AROUND 10 MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 1200, THEN NORTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1200, THEN SOUTH.  
MIXING HEIGHT.......200-400 FT AGL UNTIL 0900. 5000-5200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......4800 FT AGL UNTIL 2100, THEN 200-600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 1500, THEN  
NORTHEAST.  
RIDGE TOP WINDS.....NORTH AROUND 10 MPH UNTIL 1500, THEN NORTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......200-400 FT AGL UNTIL 0900. 5600 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE MID 50S. SOUTHEAST WINDS  
AROUND 10 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.  
WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE  
LOWER 90S. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS AROUND 90.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.  
 

 
 
WYZ275-202300-  
NORTH BIG HORN BASIN/WORLAND BLM-  
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 1200, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN NORTH  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH UNTIL 1200, THEN SOUTH 5 TO  
10 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 5200-5400 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......4800-5200 FT AGL UNTIL 2100, THEN 200-400 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......200-2000 FT AGL UNTIL 1200, THEN 4000-5800 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE MID 50S. WINDS GENERALLY LESS  
THAN 10 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.  
WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE  
LOWER 90S. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.  
 

 
 
WYZ276-202300-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 1200, THEN NORTHEAST  
UNTIL 1500, THEN SOUTH.  
MIXING HEIGHT.......0-200 FT AGL UNTIL 0900. 3800-5800 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 2400, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 2400, THEN  
NORTHWEST.  
MIXING HEIGHT.......5000-5600 FT AGL UNTIL 2100, THEN 200-400 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......200-2000 FT AGL UNTIL 1200, THEN 3800-5200 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE MID 50S. WINDS GENERALLY LESS  
THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS GENERALLY LESS THAN  
10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS 58 TO 63. HIGHS IN THE UPPER 80S.  
WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS 81 TO 86.  
 

 
 
WYZ287-202300-  
OWL CREEK MOUNTAINS-  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....71-76.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN EAST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 0900. EAST AFTER  
1200.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH UNTIL 1200, THEN SOUTH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 5200-5600 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........64-70 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH.  
RIDGE TOP WINDS.....NORTH 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......5000-5200 FT AGL UNTIL 2100, THEN 200-400 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....71-76.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS AROUND 15 MPH UNTIL 1200, THEN  
EAST. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 1200, THEN EAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 4200-5600 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST  
WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND  
10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE MID 80S.  
SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.    
FRIDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ286-202300-  
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-  
INCLUDING THE CITY OF PAHASKA  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....64-69.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0900, THEN AROUND  
15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 20  
TO 25 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 6200-8200 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR UNTIL 1200. VERY GOOD TO EXCELLENT AFTER  
1500.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....42-47.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH AND GUSTY UNTIL  
0300, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH UNTIL 0300, THEN  
SOUTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 2100, THEN  
NORTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......6800-7800 FT AGL UNTIL 2100. 200 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN EAST  
10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....EAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH UNTIL 0900, THEN  
SOUTHEAST UNTIL 1200, THEN SOUTHWEST.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 5400-7400 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST  
WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 50S. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND  
10 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WEST  
WINDS AROUND 10 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE LOWER  
70S.  
 

 
 
WYZ140-202300-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 0900, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH UNTIL 0900, THEN  
SOUTHWEST UNTIL 1200, THEN 20 TO 25 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 7000-9000 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........73-79 PERCENT.  
24 HR TREND......UNCHANGED.  
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.....WEST AROUND 15 MPH UNTIL 2100, THEN NORTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 2100, THEN WEST  
AROUND 5 MPH UNTIL 2400, THEN NORTH.  
MIXING HEIGHT.......8000-8600 FT AGL UNTIL 2100, THEN 200 FT AGL.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....EAST AROUND 10 MPH UNTIL 1200, THEN SOUTHWEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....EAST AROUND 5 MPH UNTIL 1200, THEN SOUTHWEST 10  
TO 15 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 7200-9200 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. WINDS GENERALLY LESS  
THAN 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS 47 TO 52. HIGHS 76 TO 81. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 70S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
WYZ415-202300-  
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-  
INCLUDING THE CITIES OF JACKSON AND MORAN  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....68-73.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
10 TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN AROUND  
25 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 7400-9200 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....42-47.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 2400, THEN EAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN AROUND 5  
MPH UNTIL 2400, THEN SOUTH.  
MIXING HEIGHT.......7800 FT AGL UNTIL 2100, THEN 200 FT AGL.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....EAST AROUND 10 MPH UNTIL 0900. WEST AFTER 1200.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....EAST AROUND 5 MPH UNTIL 0900, THEN WEST 10 TO  
15 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 7800-9800 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 40S. WINDS GENERALLY  
LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.  
WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
WYZ416-202300-  
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH UNTIL 0900, THEN 15 TO  
20 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 8600-10600 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....40-45.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN  
NORTHEAST AROUND 10 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400, THEN  
NORTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN NORTHWEST 5  
TO 10 MPH.  
MIXING HEIGHT.......8400-9400 FT AGL UNTIL 2100, THEN 200 FT AGL.  
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH UNTIL 0900, THEN SOUTH  
UNTIL 1200, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH UNTIL 0900, THEN WEST  
AROUND 15 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 10000-10400 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 50. HIGHS 72 TO 77. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ288-202300-  
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-  
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........30-36 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....WEST AROUND 10 MPH UNTIL 0900, THEN SOUTH UNTIL  
1500, THEN SOUTHWEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN AROUND  
20 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 9400-10600 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....44-49.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH UNTIL 2100, THEN  
NORTHEAST.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2100, THEN  
NORTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN NORTHWEST  
AROUND 10 MPH.  
MIXING HEIGHT.......8800-9600 FT AGL UNTIL 2100. 200 FT AGL AFTER  
0300.  
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY THEN BECOMING PARTLY  
CLOUDY THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 0900, THEN  
EAST. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0900, THEN EAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 8000-8800 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. EAST WINDS  
AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND  
10 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. WEST  
WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WEST  
WINDS AROUND 10 MPH.    
THURSDAY THROUGH FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE  
MID 70S.  
 

 
 
WYZ414-202300-  
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-  
INCLUDING THE CITY OF AFTON  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....71-76.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST 15  
TO 20 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 8200-10200 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....43-48.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH AND GUSTY UNTIL  
2100, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400, THEN EAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN NORTHWEST 5  
TO 10 MPH.  
MIXING HEIGHT.......8000-8400 FT AGL UNTIL 2100, THEN 200 FT AGL.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....EAST AROUND 10 MPH UNTIL 0900. WEST AFTER 1200.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH UNTIL 0900, THEN WEST 10 TO  
15 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 9600-11200 FT AGL AFTER  
1200.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS 51 TO 56. HIGHS  
77 TO 82. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ278-202300-  
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-  
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTH AROUND 10 MPH UNTIL 0900, THEN SOUTHEAST  
UNTIL 1200, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH UNTIL 0900, THEN SOUTHEAST  
UNTIL 1200, THEN SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 11400-12400 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....43-48.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN  
NORTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN NORTH 5  
TO 10 MPH.  
MIXING HEIGHT.......9800-11000 FT AGL UNTIL 2100. 200 FT AGL AFTER  
0300.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....NORTH AROUND 5 MPH UNTIL 0900, THEN SOUTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH UNTIL 1200, THEN WEST.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 11000-11400 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS 82 TO 87. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ277-202300-  
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-  
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST 10  
TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH UNTIL 0900, THEN SOUTHEAST  
UNTIL 1200, THEN WEST 10 TO 15 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 11400-12000 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....46-51.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN  
NORTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH UNTIL 0300, THEN AROUND 5  
MPH.  
MIXING HEIGHT.......9800-10600 FT AGL UNTIL 2100. 200 FT AGL AFTER  
0300.  
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....78-83.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....EAST AROUND 5 MPH UNTIL 1200. SOUTHWEST AFTER  
1500.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH UNTIL 0900, THEN  
SOUTHEAST UNTIL 1200, THEN WEST.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 11600-12000 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50. EAST WINDS AROUND  
10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS 82 TO 87. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY THROUGH FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S.  
 

 
 
WYZ279-202300-  
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-  
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH UNTIL 0900, THEN EAST  
UNTIL 1200, THEN SOUTHWEST.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH UNTIL 0900, THEN  
SOUTHEAST UNTIL 1200, THEN SOUTHWEST.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 11800-12400 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200. VERY GOOD TO EXCELLENT AFTER  
1500.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
NORTHEAST. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN  
NORTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......10400-11800 FT AGL UNTIL 2100, THEN 200-600 FT  
AGL.  
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
NORTHEAST AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......0-200 FT AGL UNTIL 0900. 10600-11400 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE  
UPPER 80S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY THROUGH FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S.  
 

 
 
WYZ289-202300-  
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-  
INCLUDING THE CITY OF JEFFREY CITY  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......16 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH UNTIL 1200. SOUTH  
AFTER 1500. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH UNTIL 1200. SOUTHWEST  
AFTER 1500.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1200, THEN SOUTH.  
MIXING HEIGHT.......200-1800 FT AGL UNTIL 1200. 10800-12200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1500, THEN VERY GOOD TO  
EXCELLENT.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....50-55.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........76-82 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2100, THEN  
NORTHEAST UNTIL 0300, THEN NORTH AROUND 10 MPH.  
MIXING HEIGHT.......10400-11400 FT AGL UNTIL 2100, THEN 200-600 FT  
AGL.  
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
NORTHEAST 10 TO 15 MPH.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
MIXING HEIGHT.......200 FT AGL UNTIL 0900. 6600-8400 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE  
UPPER 80S. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ300-202300-  
CASPER MOUNTAIN-  
316 AM MDT SAT JUL 20 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
ISOLATED RAIN SHOWERS EARLY IN THE AFTERNOON.  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
SCATTERED RAIN SHOWERS LATE IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 40 PERCENT.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......14 DEGREES COOLER.  
MIN HUMIDITY........43-49 PERCENT.  
24 HR TREND......33 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1200, THEN  
SOUTHEAST UNTIL 1500, THEN SOUTHWEST.  
MIXING HEIGHT.......200-2000 FT AGL UNTIL 1200. 6800-7600 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN  
ISOLATED RAIN SHOWERS AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 30 PERCENT.  
MIN TEMPERATURE.....52-57.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........87-93 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......EAST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 25  
MPH UNTIL 0300, THEN AROUND 10 MPH WITH GUSTS  
TO AROUND 15 MPH.  
RIDGE TOP WINDS.....EAST 15 TO 20 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.10 PERCENT UNTIL 2400, THEN ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 2100, THEN 15 TO  
20 MPH UNTIL 0300, THEN SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......5600-6800 FT AGL UNTIL 2100, THEN 0-600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........48-54 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
NORTHEAST 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH UNTIL 1500, THEN AROUND  
20 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......0-200 FT AGL UNTIL 0900. 5000-5400 FT AGL AFTER  
1500.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER  
70S. SOUTHEAST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
80S. SOUTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
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