FNUS75 KRIW 240309 FWSRIW SPOT FORECAST FOR HOLE IN THE WALL FIRE...USDA SHOSHONE NF NATIONAL WEATHER SERVICE RIVERTON WY 909 PM MDT TUE AUG 23 2011 FORECAST IS BASED ON REQUEST TIME OF 1925 MDT ON AUGUST 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...DRY CONDITIONS TONIGHT AND MOST OF WEDNESDAY AND WEDNESDAY NIGHT. THE MAIN CONCERN WILL BE THE THREAT OF SHOWERS AND THUNDERSTORMS FORMING OVER THE MOUNTAINS NEAR AND WEST OF THE FIRE AREA LATE WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT. THE MAIN THREAT WILL BE WIND GUSTS OF 30 TO 40 MPH AND A FEW LIGHTNING STRIKES. WIND SPEEDS ON THE RIDGE AT OR ABOVE 9500 FEET WILL BE WEST WHILE THE LOWER ELEVATION WIND WILL BLOW UPVALLEY OR EAST TO SOUTHEAST WEDNESDAY AFTERNOON INTO THE EVENING. SIMILAR WEATHER CONDITIONS CAN BE EXPECTED ON THURSDAY WITH A LITTLE BETTER COVERAGE OF STORMS. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...AR .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....45-50 AROUND 9500 FEET. MIN TEMPERATURE.....56-61 AROUND 6000 FEET. MAX HUMIDITY........30-35 PERCENT AROUND 9500 FEET. MAX HUMIDITY........25-30 PERCENT AROUND 6000 FEET. 20 FOOT WINDS AROUND 6000 FEET...NORTH TO NORTHEAST 3 TO 5 MPH UNTIL MIDNIGHT...THEN VARIABLE AT 3 TO 5 MPH. RIDGE TOP WINDS AROUND 9500 FEET...WEST AT 6 TO 11 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......DECREASING TO 400-700 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....WEST TO NORTHWEST AROUND 10 MPH. SMOKE DISPERSAL.....DECREASING TO POOR AFTER MIDNIGHT. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY THROUGH 1200. THEN PARTLY CLOUDY 10 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1500. MAX TEMPERATURE.....70-75 AROUND 9500 FEET. MAX TEMPERATURE.....84-89 AROUND 6000 FEET. MIN HUMIDITY........12-17 PERCENT AROUND 9500 FEET. MIN HUMIDITY........10-15 PERCENT AROUND 6000 FEET. 20 FOOT WINDS AROUND 6000 FEET...BECOMING EAST TO SOUTHEAST AT 3 TO 6 MPH AFTER 900. EAST TO SOUTHEAST AT 5 TO 9 MPH AFTER 1200. GUSTY AND ERRATIC WINDS TO 30 MPH NEAR ANY SHOWER OR THUNDERSTORM AFTER 1500. RIDGE TOP WINDS AROUND 9500 FEET...WEST AT 5 TO 10 MPH UNTIL 1200. WEST AT 10 TO 15 MPH WITH GUSTS TO 20 MPH AFTER 1200. LAL.................1 UNTIL 1500...THEN 2. CHC OF WETTING RAIN.LESS THAN 5 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......INCREASING TO 7000-10000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST AT 15 TO 20 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....INCREASING TO VERY GOOD TO EXCELLENT IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. EXPECT GUSTY WIND OF 30 TO 40 MPH NEAR ANY SHOWER OR STORM. LOWS...55-60 AROUND 6000 FEET. LOWS...45-50 AROUND 9500 FEET. MAX RH...35-40 PERCENT AROUND 6000 FEET. MAX RH...40-45 PERCENT AROUND 9500 FEET. 20 FOOT WIND AROUND 6000 FEET...SOUTH TO SOUTHEAST AT 4 TO 7 MPH. RIDGE TOP WIND AROUND 9500 FEET...WEST AROUND 10 MPH. .THURSDAY...PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS IN THE MID 80S AROUND 6000 FEET. HIGHS 70-75 AROUND 9500 FEET. RIDGE TOP WIND AROUND 9500 FEET...WEST 10 TO 20 MPH IN THE AFTERNOON. .FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. WINDS GENERALLY LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...ROSS REQUESTED BY...SHANE DEL GROSSO REASON FOR REQUEST...WILDFIRE .TAG 20110823.HOLEI.02/RIW