066  
FNUS55 KCYS 201228  
FWFCYS  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA  
NATIONAL WEATHER SERVICE CHEYENNE WY  
528 AM MST FRI NOV 20 2009  
   
DISCUSSION
 
DRY WEATHER WILL CONTINUE INTO THE WEEKEND WITH SOME  
RAIN AND SNOW SHOWER ACTIVITY IN THE MOUNTAINS ON SATURDAY AS A  
COLD FRONT PUSHES ACROSS THE AREA. SOUTHWEST WINDS ARE EXPECTED  
TO INCREASE TONIGHT AHEAD OF THIS FRONT...WITH GUSTS AROUND 50 MPH  
POSSIBLE ACROSS THE MOUNTAINS AND THE HIGH PLAINS OF SOUTHEAST WYOMING.  
OTHERWISE...COOL TEMPERATURES AND MODERATE HUMIDITY VALUES ARE EXPECTED  
THROUGH SUNDAY...WITH HUMIDITIES TRENDING HIGHER BY EARLY NEXT  
WEEK AS A STRONGER PACIFIC SYSTEM MOVES INTO THE AREA.  
 
WYZ293-211100-  
NORTH AND SOUTHWEST CARBON COUNTY-  
528 AM MST FRI NOV 20 2009  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....41-46.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......18 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1200-2300 FT AGL.  
SMOKE DISPERSAL.....POOR (18600-29700 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....19-27.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......400-1200 FT AGL.  
SMOKE DISPERSAL.....POOR (7300-15200 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
AFTER 1100.  
MAX TEMPERATURE.....38-43.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........37-43 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......2800-3700 FT AGL INCREASING TO 5100-6500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR TO GOOD (59400-99700 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 14. HIGHS IN THE MID 30S. WEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 18.  
HIGHS IN THE LOWER 30S. WEST WINDS AROUND 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE UPPER 30S.  
WEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 30S.    
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS  
IN THE LOWER 40S.  
 

 
 
WYZ296-211100-  
MEDICINE BOW NATIONAL FOREST IN THE MEDICINE BOW MOUNTAINS-  
528 AM MST FRI NOV 20 2009  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....39-44.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......26 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......1100-2100 FT AGL.  
SMOKE DISPERSAL.....POOR (18200-29500 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....15-21.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........68-74 PERCENT.  
24 HR TREND......23 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......200-1200 FT AGL.  
SMOKE DISPERSAL.....POOR (9000-18900 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AFTER  
1100.  
MAX TEMPERATURE.....29-37.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......29 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......1800-2700 FT AGL INCREASING TO 3300-4900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR TO GOOD (49900-81600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND  
10. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 15 MPH.    
MONDAY
 
CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 13. HIGHS IN  
THE UPPER 20S. WEST WINDS AROUND 15 MPH.    
TUESDAY
 
MOSTLY CLOUDY. LOWS AROUND 15. HIGHS IN THE LOWER 30S.  
WEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 19. HIGHS IN THE MID 30S.   
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE  
UPPER 30S.  
 

 
 
WYZ292-211100-  
SOUTH CENTRAL WYOMING INCLUDING THE LARAMIE VALLEY-  
528 AM MST FRI NOV 20 2009  
   
TODAY
 
 
SKY/WEATHER.........SUNNY. AREAS OF FOG UNTIL 0700.  
MAX TEMPERATURE.....36-42.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1000-1900 FT AGL.  
SMOKE DISPERSAL.....POOR (13800-18100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. PATCHY FREEZING FOG UNTIL 2400.  
MIN TEMPERATURE.....11-21.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......26 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......300-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (5000-9600 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1100...THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....38-43.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........40-46 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......2600-3100 FT AGL INCREASING TO 4700-5600 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR TO VERY GOOD (51100-100400 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 15. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 15 MPH.    
MONDAY
 
CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 18. HIGHS IN  
THE LOWER 30S. WEST WINDS AROUND 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE UPPER 30S.  
WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS AROUND 40.    
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS  
IN THE LOWER 40S.  
 

 
 
WYZ295-211100-  
LARAMIE MOUNTAIN RANGE SOUTH-  
528 AM MST FRI NOV 20 2009  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....39-45.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......600-1500 FT AGL.  
SMOKE DISPERSAL.....POOR (11700-15100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....19-25.  
24 HR TREND......12 DEGREES WARMER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......200-700 FT AGL.  
SMOKE DISPERSAL.....POOR (7400-8000 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1100...THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....39-45.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........35-41 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH.  
MIXING HEIGHT.......2900-3400 FT AGL INCREASING TO 5000-5900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (72000-115400 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 16. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 15 MPH.    
MONDAY
 
CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 18. HIGHS IN  
THE LOWER 30S. WEST WINDS AROUND 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE UPPER 30S.  
WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS AROUND  
40.    
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS  
IN THE MID 40S.  
 

 
 
WYZ294-211100-  
LARAMIE MOUNTAIN RANGE NORTH-  
528 AM MST FRI NOV 20 2009  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....42-48.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......800-2000 FT AGL.  
SMOKE DISPERSAL.....POOR (17100-25600 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....23-31.  
24 HR TREND......9 DEGREES WARMER.  
MAX HUMIDITY........52-58 PERCENT.  
24 HR TREND......23 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH. GUSTS UP TO 30 MPH  
INCREASING TO 40 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......200-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (9900-14100 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1100...THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....37-45.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH.  
MIXING HEIGHT.......2800-3600 FT AGL INCREASING TO 4900-6400 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (75800 KNOT-FT) INCREASING TO VERY GOOD  
(128200 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AND  
SHOWERS. LOWS AROUND 15. HIGHS IN THE UPPER 30S. WEST WINDS  
AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT CHANCE OF  
RAIN. LOWS AROUND 19. HIGHS IN THE LOWER 30S. WEST WINDS AROUND  
15 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 19. HIGHS IN THE UPPER 30S.  
WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S.    
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS  
IN THE LOWER 40S.  
 

 
 
WYZ291-211100-  
EAST-CENTRAL WYOMING. CONVERSE AND NIOBRARA COUNTIES-  
528 AM MST FRI NOV 20 2009  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1600-2900 FT AGL.  
SMOKE DISPERSAL.....POOR (21600-32500 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......14 DEGREES WARMER.  
MAX HUMIDITY........55-61 PERCENT.  
24 HR TREND......30 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......300-1500 FT AGL.  
SMOKE DISPERSAL.....POOR (5500-16700 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1100...THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....48-54.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......2300-3800 FT AGL INCREASING TO 4700-6700 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR TO VERY GOOD (55700-104500 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 19. HIGHS IN THE MID 40S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS IN  
THE LOWER 20S. HIGHS IN THE UPPER 30S. NORTHWEST WINDS AROUND  
10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID  
40S. WEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE MID 40S.    
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN  
THE UPPER 40S.  
 

 
 
WYZ290-211100-  
SOUTHEAST WYOMING PLAINS INCLUDING PINE BLUFFS/CHEYENNE FOOTHILLS/  
PLATTE COUNTY/GOSHEN COUNTY-  
528 AM MST FRI NOV 20 2009  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....50-56.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1400-2800 FT AGL.  
SMOKE DISPERSAL.....POOR (18100-25100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....27-32.  
24 HR TREND......14 DEGREES WARMER.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......25 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......300-1400 FT AGL.  
SMOKE DISPERSAL.....POOR (3400-12100 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1100...THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2400-3500 FT AGL INCREASING TO 4500-6300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR TO GOOD (44900-82800 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID  
40S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT CHANCE OF  
RAIN. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. NORTHWEST  
WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID  
40S. WEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S.    
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN  
THE LOWER 50S.  
 

 
 
NEZ202-211100-  
SCOTTSBLUFF NATIONAL MONUMENT AND THE WILDCAT HILLS OF WESTERN  
NEBRASKA-  
528 AM MST FRI NOV 20 2009  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1500-2900 FT AGL.  
SMOKE DISPERSAL.....POOR (18900-28900 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......11 DEGREES WARMER.  
MAX HUMIDITY........89-95 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......300-1700 FT AGL.  
SMOKE DISPERSAL.....POOR (2300-13500 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......1500-3500 FT AGL.  
SMOKE DISPERSAL.....POOR (11000-22200 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE UPPER  
40S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT CHANCE OF  
RAIN. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 40S. WEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 40S.    
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN  
THE LOWER 50S.  
 

 
 
NEZ200-211100-  
NEBRASKA NATIONAL FOREST AND THE OGALLALA NATIONAL GRASSLANDS-  
528 AM MST FRI NOV 20 2009  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTH AROUND  
10 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1400-2600 FT AGL.  
SMOKE DISPERSAL.....POOR (15200-24400 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......12 DEGREES WARMER.  
MAX HUMIDITY........86-92 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......300-1500 FT AGL.  
SMOKE DISPERSAL.....POOR (3300-16200 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST  
AROUND 10 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1400-3400 FT AGL.  
SMOKE DISPERSAL.....POOR (15100-34200 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 40S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. LOWS  
IN THE LOWER 20S. HIGHS AROUND 40. NORTHWEST WINDS AROUND 10 MPH.   
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE MID 40S.  
WEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE MID 40S.    
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS  
IN THE LOWER 50S.  
 

 
 
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