Wyoming Fire Weather Zone 285

...RED FLAG WARNING FOR FIRE WEATHER ZONES 279...280...283 AND 289
IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY... .DISCUSSION... ...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... HIGH PRESSURE WILL BE OVER THE WEST TONIGHT THROUGH WEDNESDAY WITH DRY AND MOSTLY CLEAR CONDITIONS WITH BREEZY AFTERNOON WINDS. A COLD FRONT WILL DROP ALONG AND EAST OF THE DIVIDE LATE WEDNESDAY NIGHT WITH SLIGHTLY COOLER TEMPERATURES FOR THURSDAY. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... ...RED FLAG WARNING FOR ZONES 279 WEDNESDAY AFTERNOON AND EVENING... THERE WILL BE A BREAK IN RED FLAG CONDITIONS OVERNIGHT AS WINDS WEAKEN AND RELATIVE HUMIDITY INCREASES. HOWEVER...VERY LOW HUMIDITY AND STRONG WIND WILL REDEVELOP...AND BE MORE EXTENSIVE WEDNESDAY AFTERNOON AND EVENING. CONTINUED DRY...BUT COOLER ON THURSDAY WITH LIGHTER WINDS. ...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276... 282...283...285...286...287...288...AND 289)... ...RED FLAG WARNING FOR ZONES 283 AND 289 WEDNESDAY AFTERNOON AND EVENING... THERE WILL BE A BREAK IN RED FLAG CONDITIONS OVERNIGHT AS WINDS WEAKEN AND RELATIVE HUMIDITY INCREASES. HOWEVER...VERY LOW HUMIDITY AND WINDY WEST TO SOUTHWEST WIND WILL REDEVELOP...AND BE MORE EXTENSIVE WEDNESDAY AFTERNOON AND EVENING...RESULTING IN ELEVATED TO EXTREME FIRE WEATHER CONDITIONS. IN ADDITION...A DRY COLD FRONT WILL DROP SOUTH ACROSS THE BIG HORN BASIN WEDNESDAY AFTERNOON AND THEN ACROSS THE WIND RIVER BASIN WEDNESDAY EVENING...SHIFTING WINDS TO THE NORTH WITH WINDS REMAINING GUSTY. MAINLY DRY...BUT COOLER ON THURSDAY WITH LIGHTER WINDS. ...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281... 285...289...AND 300)... ...RED FLAG WARNING FOR ZONES 280 AND 289 WEDNESDAY AFTERNOON AND EVENING... THERE WILL BE A BREAK IN RED FLAG CONDITIONS OVERNIGHT AS WINDS WEAKEN AND RELATIVE HUMIDITY INCREASES. HOWEVER...VERY LOW HUMIDITY AND WINDY SOUTHWEST WIND WILL REDEVELOP...AND BE MORE EXTENSIVE WEDNESDAY AFTERNOON AND EVENING...RESULTING IN ELEVATED TO EXTREME FIRE WEATHER CONDITIONS. IN ADDITION...A DRY COLD FRONT WILL DROP SOUTH ACROSS JOHNSON COUNTY MID TO LATE WEDNESDAY AFTERNOON AND THEN ACROSS NATRONA COUNTY WEDNESDAY EVENING...SHIFTING WINDS TO THE NORTH WITH WINDS REMAINING GUSTY. MAINLY DRY...BUT COOLER ON THURSDAY WITH LIGHTER WINDS. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... SOUTH BIGHORN MOUNTAINS- 822 PM MDT TUE SEP 2 2014 .REST OF TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....49-54. 24 HR TREND......6 DEGREES WARMER. MAX HUMIDITY........45-51 PERCENT. 24 HR TREND......20 PERCENT DRIER. HUMIDITY RECOVERY...MODERATE. 20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 25 MPH. RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH. MIXING HEIGHT.......3500-6000 FT AGL UNTIL 2400...THEN 2000-2500 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (58000-78000 KNOT-FT). HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....72-81. 24 HR TREND......3 DEGREES WARMER. MIN HUMIDITY........13-19 PERCENT. 24 HR TREND......4 PERCENT WETTER. 20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH UNTIL 1500...THEN WEST AROUND 25 MPH WITH GUSTS TO AROUND 35 MPH. RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1500...THEN WEST AROUND 30 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST 25 TO 30 MPH. MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 8000-10500 FT AGL. SMOKE DISPERSAL.....GOOD TO VERY GOOD (80000-100000 KNOT-FT) UNTIL 1200...THEN EXCELLENT (206000-226000 KNOT-FT). HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....37-43. 24 HR TREND......10 DEGREES COOLER. MAX HUMIDITY........78-84 PERCENT. 24 HR TREND......33 PERCENT WETTER. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH UNTIL 2400...THEN AROUND 10 MPH WITH GUSTS TO AROUND 15 MPH. RIDGE TOP WINDS.....WEST AROUND 30 MPH UNTIL 2100...THEN NORTHWEST 15 TO 20 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH UNTIL 2400...THEN AROUND 20 MPH. MIXING HEIGHT.......5500-8000 FT AGL UNTIL 2400...THEN 1500-2000 FT AGL. SMOKE DISPERSAL.....EXCELLENT (158000-178000 KNOT-FT) UNTIL 2400...THEN POOR (24000-38000 KNOT-FT). HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY. MAX TEMPERATURE.....54-62. 24 HR TREND......19 DEGREES COOLER. MIN HUMIDITY........42-48 PERCENT. 24 HR TREND......27 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...THEN NORTHEAST. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH UNTIL 0900...THEN NORTHEAST. MIXING HEIGHT.......1500-4000 FT AGL. SMOKE DISPERSAL.....POOR TO FAIR (32000-52000 KNOT-FT). HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 7...... .THURSDAY NIGHT...PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS AROUND 10 MPH. .FRIDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 10 MPH. .SATURDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH. .SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 10 MPH. .MONDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60.
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