FNUS75 KRIW 191045 FWSRIW SPOT FORECAST FOR HARDLUCK...USFS SHF NATIONAL WEATHER SERVICE RIVERTON WY 445 AM MDT MON AUG 19 2013 FORECAST IS BASED ON REQUEST TIME OF 0340 MDT ON AUGUST 19. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... CONDITIONS SHOULD BE SIMILAR TO YESTERDAY...EXCEPT VARIABLE HIGH CLOUDINESS IS EXPECTED IN THE AFTERNOON. IN FACT...THE HIGH CLOUDS COULD BE THICK...MOSTLY CLOUDY...AT TIMES THIS AFTERNOON. HOWEVER DESPITE THE CLOUDS...NO SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY. MONSOONAL MOISTURE BEGINS TO SURGE NORTHWARD TUESDAY. THIS WILL RESULT IN ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ACROSS WESTERN WYOMING TUESDAY...AS WELL AS A SLIGHT INCREASE IN RELATIVE HUMIDITY. A BETTER SHOT AT THUNDERSTORMS WILL OCCUR ON WEDNESDAY...WITH A DECENT SHOT AT A WETTING RAIN. ELEVATED FIRE WEATHER CONDITIONS ARE POSSIBLE FRIDAY...AS A STORM SYSTEM LIFTS NORTH OF THE AREA BRINGING IN BREEZY WEST TO SOUTHWEST WINDS AND A MUCH DRIER AIR MASS. ALSO NOTED THE SHF2 PORTABLE RAWS NEAR VALLEY HAS STOPPED TRANSMITTING. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...MURRELL .TODAY... SKY/WEATHER.........SUNNY (5 PERCENT) THIS MORNING...WITH VARIABLE HIGH CLOUDINESS (40-60 PERCENT) IN THE AFTERNOON. MAX TEMPERATURE.....76-80 AT 8 KFT. 61-65 AT 11 KFT. MIN HUMIDITY........13-17 PERCENT AT 8 KFT. 19-23 PERCENT AT 11 KFT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-8 MPH BY 9 AM...BECOMING WEST TO SOUTHWEST 7-12 MPH AROUND NOON. GUSTS 20 TO 25 MPH IN THE AFTERNOON. RIDGE TOP WINDS.....WEST 15-20 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......9800 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 20-30 MPH. SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). MIN TEMPERATURE.....45-50. MAX HUMIDITY........40-50 PERCENT. 20 FOOT WINDS.......WEST TO SOUTHWEST 4-8 MPH...BECOMING DOWNSLOPE/DOWNVALLEY 3-6 MPH BY 9 PM. RIDGE TOP WINDS.....WEST 10-15 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......DECREASING TO 1500 FT AGL. TRANSPORT WINDS.....WEST 10-15 MPH. SMOKE DISPERSAL.....DECREASING TO POOR. .TUESDAY... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) IN THE MORNING. BECOMING MOSTLY CLOUDY (70-80 PERCENT) WITH ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....74-79 AT 8 KFT. 59-64 AT 11 KFT. MIN HUMIDITY........18-22 PERCENT AT 8 KFT. 25-30 PERCENT AT 11 KFT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-8 MPH BY 9 AM...BECOMING WEST TO SOUTHWEST 5-10 MPH BY AROUND NOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....WEST 10-15 MPH...BECOMING WEST NORTHWEST IN THE AFTERNOON. LAL.................1 UNTIL NOON...THEN 2. CHC OF WETTING RAIN.5 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......8100 FT AGL. TRANSPORT WINDS.....WEST 10-15 MPH...BECOMING TO WEST NORTHWEST IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD. .FORECAST DAYS 3 THROUGH 5... .TUESDAY NIGHT...PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH. .WEDNESDAY...MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH...BECOMING DOMINATED BY VERY GUSTY AND ERRATIC THUNDERSTORM WINDS IN THE AFTERNOON. .THURSDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH. .FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY. LOWS IN THE MID 40S. HIGHS IN THE UPPER 70S. WEST TO SOUTHWEST WINDS 10-15 MPH. GUSTS TO 25 MPH. $$ FORECASTER...MURRELL REQUESTED BY...CLINT DAWSON REASON FOR REQUEST...WILDFIRE .TAG 20130819.HARDL.01/RIW