FNUS75 KRIW 101635 FWSRIW SPOT FORECAST FOR RED CABIN...BLM WOD NATIONAL WEATHER SERVICE RIVERTON WY 1035 AM MDT TUE AUG 10 2010 FORECAST IS BASED ON REQUEST TIME OF 0955 MDT ON AUGUST 10. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...TODAY LOOKS LIKE A DECENT DAY ACROSS NORTHERN WYOMING. THERE IS AN OUTSIDE CHANCE FOR AN ISOLATED SHOWERS OR THUNDERSTORM OVER THE FIRE AREA. GUSTY OUTFLOWS TO 40 MPH AND LIGHTNING WILL BE THE PRIMARY THREATS. SOUTHEASTERLY BREEZES ARE EXPECTED AS WELL THIS AFTERNOON AND EVENING. WILL SEE THE SHOWER AND THUNDERSTORM THREAT INCREASE WEDNESDAY AND ESPECIALLY THURSDAY AS A STORM SYSTEM APPROACHES AND MOVES THROUGH. SOUTHWEST TO WEST WINDS WILL INCREASE AS WELL THROUGH THIS PERIOD...INCREASING THE THE FIRE WEATHER DANGER WHEN COMBINED WITH RH'S IN THE TEENS. A COLD FRONT WILL ACCOMPANY THE STORM PASSING THURSDAY EVENING WITH MUCH COOLER AND DRIER AIR MOVING IN. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...LIPSON .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT) THEN BECOMING PARTLY CLOUDY (40-50 PERCENT). IF ANY ISOLATED SHOWERS AND THUNDERSTORMS OCCUR THEY SHOULD NOT DEVELOP UNTIL 1500 TO 1600. MAX TEMPERATURE.....83-86. MIN HUMIDITY........19-20 PERCENT. WIND (20 FT)........WINDS WILL BACK TO THE EAST SOUTHEAST AT 5-9 MPH BY 1300. GUSTS UP TO 15 MPH INCREASING TO 20 MPH LATE IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON. LAL.................1 UNTIL 1200...THEN 2. CWR.................LESS THAN 5 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4800-5800 FT AGL INCREASING TO 9300-10300 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH SHIFTING TO THE SOUTHEAST 20 TO 21 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....FAIR (54300 KNOT-FT) INCREASING TO VERY GOOD (128200 KNOT-FT) IN THE AFTERNOON. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING CLEAR (0-10 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING. MIN TEMPERATURE.....54-57. MAX HUMIDITY........46-49 PERCENT. WIND (20 FT)........EAST 4-7 MPH BECOMING SOUTHWEST BY MIDNIGHT AT 10 TO 11 MPH. WINDS WILL THEN VEER TO THE NORTHWEST AT 10 TO 15 MPH BY 0300. GUSTY AND ERRATIC WINDS EXPECTED NEAR ANY THUNDERSTORMS IN THE EVENING. RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE SOUTHWEST IN THE LATE EVENING AND OVERNIGHT. LAL.................2 UNTIL 2400...THEN 1. CWR.................3 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6900-7900 FT AGL DECREASING TO 2400-3400 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTHEAST AROUND 17 MPH SHIFTING TO THE SOUTHWEST IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....VERY GOOD (120400 KNOT-FT) DECREASING TO FAIR (46200 KNOT-FT) AFTER MIDNIGHT. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY NIGHT...MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS AROUND 11 MPH. .THURSDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH. .FRIDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...LIPSON REQUESTED BY...CODY DISPATCH REASON FOR REQUEST...WILDFIRE .TAG 20100810.REDCA.01/RIW