Wyoming Fire Weather Zone 287

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR MUCH
OF CENTRAL WYOMING ... ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT SATURDAY FOR ZONE 279... .DISCUSSION... ...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... INCREASING HIGH PRESSURE OVER THE DISPATCH AREA WILL BE FOUND THROUGH SATURDAY. WIND SHOULD GENERALLY BE LIGHT...WITH A SLIGHT INCREASE DURING THE AFTERNOON HOURS. OVERALL...DRY CONDITIONS ARE EXPECTED TO REMAIN THROUGH SUNDAY NIGHT. THE DISPATCH AREA IS STILL LISTED AS NON CRITICAL AS FAR AS FUEL STATUS...WHICH HELPS TO ELIMINATE MOST FIRE WEATHER CONCERNS THROUGH THE WEEKEND. SOME LOCATIONS WILL SEE DRY HUMIDITY IN THE LOW TEENS...BUT WIND IS ALSO EXPECTED TO BE LIGHT...AGAIN REMOVING MOST FIRE WEATHER THREAT. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... CRITICAL FIRE WEATHER BEHAVIOR WILL REMAIN PRESENT THROUGH THE EVENING HOURS TONIGHT. WIND WILL LULL OVER NIGHT WITH HUMIDITY ALSO HAVING ITS NORMAL DIURNAL RECOVERY. BUILDING HIGH PRESSURE WILL BE PRESENT ON SATURDAY. HOWEVER...GUSTY WIND WILL AGAIN BE POSSIBLE...ESPECIALLY ACROSS ZONE 279. THE RETURNING COMBINATION OF DRY FUELS...GUSTY WIND...LOW HUMIDITY...AND WARM TEMPERATURES WILL ALLOW FOR THE CONTINUATION OF RED FLAG CONDITIONS THROUGH EARLY SATURDAY EVENING. THE REMAINDER OF THE DISPATCH AREA IS NOT LISTED AS HAVING CRITICALLY DRY FUELS...REMOVING THE SIGNIFICANT THREAT FOR FIRE WEATHER BEHAVIOR. ...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276... 282...283...285...286...287...288...AND 289)... CRITICAL FIRE WEATHER BEHAVIOR WILL REMAIN PRESENT FOR THE SOUTHERN ZONES THROUGH THE EARLY EVENING HOURS TODAY. BUILDING HIGH PRESSURE WILL BE FOUND OVERNIGHT...HELPING TO BRING DIMINISHED WIND OVER THE DISPATCH AREA. WIND IS EXPECTED TO REMAIN BELOW CRITICAL THRESHOLDS ON SATURDAY...THOUGH WARM AND DRY CONDITIONS WILL REMAIN ACROSS MUCH OF THE AREA. ...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281... 285...289...AND 300)... A FEW SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH THE EARLY EVENING HOURS TONIGHT...WITH LIGHTNING AND GUSTY WIND BEING THE MAIN THREATS. OTHERWISE...CRITICAL FIRE WEATHER BEHAVIOR WILL REMAIN PRESENT FOR THE SOUTHERN ZONES THROUGH THE EARLY EVENING HOURS. BUILDING HIGH PRESSURE WILL BE FOUND OVERNIGHT...HELPING TO BRING DIMINISHED WIND OVER THE DISPATCH AREA. WIND IS EXPECTED TO REMAIN BELOW CRITICAL THRESHOLDS ON SATURDAY...THOUGH WARM AND DRY CONDITIONS WILL REMAIN ACROSS MUCH OF THE AREA. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... OWL CREEK MOUNTAINS- 243 PM MDT FRI JUL 25 2014 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING... .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....52-57. 24 HR TREND......2 DEGREES COOLER. MAX HUMIDITY........35-41 PERCENT. 24 HR TREND......5 PERCENT WETTER. HUMIDITY RECOVERY...POOR. 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300...THEN WEST AROUND 10 MPH. RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400...THEN 10 TO 15 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH UNTIL 2100...THEN 10 TO 15 MPH. MIXING HEIGHT.......8000-10500 FT AGL UNTIL 2400...THEN 2500-5000 FT AGL. SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT (134000-154000 KNOT-FT) UNTIL 2400...THEN POOR TO FAIR (30000-50000 KNOT-FT). HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....76-83. 24 HR TREND......6 DEGREES COOLER. MIN HUMIDITY........16 PERCENT. 24 HR TREND......4 PERCENT WETTER. 20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0900...THEN NORTH UNTIL 1200...THEN UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN NORTHEAST AROUND 10 MPH. RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 0900...THEN NORTHEAST. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 0900...THEN NORTH. MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1200...THEN 5000-7500 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT). HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY NIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....51-56. 24 HR TREND......UNCHANGED. MAX HUMIDITY........42-48 PERCENT. 24 HR TREND......7 PERCENT WETTER. HUMIDITY RECOVERY...MODERATE. 20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH WITH GUSTS TO AROUND 15 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH. RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH UNTIL 2400...THEN NORTH UNTIL 0300...THEN SOUTHWEST. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH UNTIL 2400. WEST AFTER 0300. MIXING HEIGHT.......3500-6000 FT AGL UNTIL 2400...THEN 500-1500 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (50000-70000 KNOT-FT) UNTIL 2400...THEN POOR (6000-10000 KNOT-FT). HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SUNDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....78-85. 24 HR TREND......2 DEGREES WARMER. MIN HUMIDITY........12-18 PERCENT. 24 HR TREND......1 PERCENT WETTER. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN SOUTHEAST AROUND 10 MPH AND GUSTY. RIDGE TOP WINDS.....SOUTH AROUND 10 MPH UNTIL 1500...THEN EAST. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0900...THEN SOUTHEAST. MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1200...THEN 4500-7000 FT AGL. SMOKE DISPERSAL.....POOR TO FAIR (32000-52000 KNOT-FT). 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 50S. WINDS GENERALLY LESS THAN 10 MPH. .MONDAY THROUGH WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 56 TO 61. HIGHS 75 TO 82. 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 70S. .FRIDAY...MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
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