Wyoming Fire Weather Zone 275

.DISCUSSION...
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... A COUPLE WEATHER DISTURBANCES WILL MOVE EAST ACROSS THE AREA TONIGHT AND FRIDAY. THE FIRST SYSTEM WILL BRING ISOLATED THUNDERSTORMS TO THE ZONE 140 THROUGH THE EVENING HOURS WITH ISOLATED RAIN SHOWERS POSSIBLE OVERNIGHT. ON FRIDAY...ANOTHER SYSTEM WILL RESULT IN ISOLATED TO WIDELY SCATTERED GUSTY THUNDERSTORMS ACROSS THE ENTIRE DISTRICT MAINLY DURING THE AFTERNOON HOURS. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... IT WILL BE WARMER AND DRIER THE NEXT COUPLE DAYS WITH ONLY A SLIGHT CHANCE OF AN ISOLATED THUNDERSTORM IN ZONE 278 FRIDAY AFTERNOON. ON SATURDAY...STRONG WEST WINDS ARE EXPECTED WITH MIN RH`S DROPPING INTO THE TEENS TO LOWER 20S INCREASING THE FIRE DANGER. IN ADDITION A COLD FRONT WILL SWEEP EAST ACROSS THE AREA SATURDAY WITH ISOLATED TO WIDELY SCATTERED THUNDERSTORMS. ...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276... 282...283...285...286...287...288...AND 289)... A WEAK DISTURBANCE AND ASSOCIATED COLD FRONT WILL MOVE INTO THE NORTHERN PART OF THE DISTRICT TONIGHT AND FRIDAY MORNING. ANOTHER SYSTEM WILL MOVE IN FROM THE WEST FRIDAY LEADING TO ISOLATED THUNDERSTORM ACROSS THE ENTIRE DISTRICT FRIDAY AFTERNOON ALONG WITH THE POTENTIAL FOR GUSTY WIND NEAR STORMS. ...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281... 285...289...AND 300)... A WEAK DISTURBANCE AND ASSOCIATED COLD FRONT WILL MOVE INTO THE NORTHERN PART OF THE DISTRICT TONIGHT AND FRIDAY MORNING. ANOTHER SYSTEM WILL MOVE IN FROM THE WEST FRIDAY LEADING TO ISOLATED THUNDERSTORM ACROSS THE ENTIRE DISTRICT FRIDAY AFTERNOON ALONG WITH THE POTENTIAL FOR GUSTY WIND NEAR STORMS. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... NORTH BIG HORN BASIN/WORLAND BLM- 211 PM MDT THU AUG 28 2014 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. ISOLATED RAIN SHOWERS AFTER 2400. CHANCE OF SHOWERS 20 PERCENT. MIN TEMPERATURE.....54-59. 24 HR TREND......4 DEGREES WARMER. MAX HUMIDITY........72-78 PERCENT. 24 HR TREND......9 PERCENT DRIER. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100...THEN SOUTHEAST AROUND 10 MPH UNTIL 2400...THEN NORTHWEST AND GUSTY. RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH UNTIL 2100...THEN SOUTHEAST UNTIL 2400...THEN NORTHWEST. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH UNTIL 2100...THEN SOUTHEAST UNTIL 2400...THEN NORTHWEST. MIXING HEIGHT.......5000-7500 FT AGL UNTIL 2400...THEN 3000-5000 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (40000-60000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS. ISOLATED THUNDERSTORMS AFTER 1200. CHANCE OF PRECIPITATION 20 PERCENT. MAX TEMPERATURE.....76-83. 24 HR TREND......4 DEGREES COOLER. MIN HUMIDITY........25-31 PERCENT. 24 HR TREND......6 PERCENT WETTER. 20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS UNTIL 1200...THEN UPSLOPE/UPVALLEY 5-9 MPH. RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 1200...THEN SOUTHEAST. LAL.................1 UNTIL 1200...THEN 3. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1200...THEN SOUTHEAST AROUND 10 MPH. MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 5500-8000 FT AGL. SMOKE DISPERSAL.....POOR TO FAIR (28000-48000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....52-57. 24 HR TREND......1 DEGREE COOLER. MAX HUMIDITY........72-78 PERCENT. 24 HR TREND......UNCHANGED. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400...THEN SOUTHEAST AROUND 10 MPH. GUSTS UP TO 15 MPH. RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH. MIXING HEIGHT.......4000-6500 FT AGL UNTIL 2400...THEN 1500-4000 FT AGL. SMOKE DISPERSAL.....POOR TO FAIR (30000-50000 KNOT-FT). HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 1200...THEN CHANCE OF SHOWERS AND THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND SMALL HAIL AFTER 1200. CHANCE OF PRECIPITATION 50 PERCENT. MAX TEMPERATURE.....76-83. 24 HR TREND......1 DEGREE WARMER. MIN HUMIDITY........25-31 PERCENT. 24 HR TREND......UNCHANGED. 20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH UNTIL 1500...THEN NORTHWEST. GUSTS UP TO 20 MPH. RIDGE TOP WINDS.....SOUTHEAST 15 TO 20 MPH UNTIL 1500...THEN NORTHWEST. LAL.................2 UNTIL 1200...THEN 4. CHC OF WETTING RAIN.5 PERCENT UNTIL 1200...THEN 25 PERCENT. TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH UNTIL 1500...THEN NORTHWEST. MIXING HEIGHT.......3500-6000 FT AGL UNTIL 1200...THEN 5500-7500 FT AGL. SMOKE DISPERSAL.....GOOD (70000-90000 KNOT-FT). HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 7...... .SATURDAY NIGHT...PARTLY CLOUDY. CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. NORTH WINDS AROUND 10 MPH. .SUNDAY...COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND 10 MPH. .LABOR DAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND 70. WINDS GENERALLY LESS THAN 10 MPH. .TUESDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH. .WEDNESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. .THURSDAY...MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
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