FNUS75 KRIW 301736 FWSRIW SPOT FORECAST FOR BRADLEY MOUNTAIN RX...IA TDC NATIONAL WEATHER SERVICE RIVERTON WY 1136 AM MDT SAT MAY 30 2009 FORECAST IS BASED ON IGNITION TIME OF 1125 MDT ON MAY 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE OVER THE AREA WILL RESULT IN ABOVE AVERAGE TEMPERATURES AND LIGHT WINDS...WITH THE USUAL DRAINAGE WINDS EXPECTED. HOWEVER...WITH DAYTIME HEATING EXPECT ISOLATED THUNDERSTORMS IN THE BURN AREA THIS AFTERNOON AND EVENING...WITH VERY GUSTY AND ERRATIC WINDS AS WELL AS SOME LIGHTNING THE MAIN HAZARDS. ON SUNDAY...EXPECT A BETTER CHANCE OF THUNDERSTORMS AND SLIGHTLY COOLER TEMPERATURES. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...MURRELL .TODAY... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....80-85 VALLEY FLOOR...70-75 ON THE RIDGE. MIN HUMIDITY........20-25 PERCENT VALLEY...30-35 PERCENT ON RIDGE. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....WEST 5 TO 10 MPH...WITH GUSTS TO 15 MPH. LAL.................2. CHC OF WETTING RAIN.4 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......INCREASING TO 9500 FT AGL. TRANSPORT WINDS.....WEST 5 TO 10 MPH. SMOKE DISPERSAL.....GOOD (76000 KNOT-FT). .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING PARTLY CLOUDY (40-50 PERCENT). ISOLATED THUNDERSTORMS IN THE EVENING. ISOLATED RAIN SHOWERS THROUGH THE NIGHT. MIN TEMPERATURE.....40-45 VALLEY FLOOR...50-55 RIDGE TOP. MAX HUMIDITY........70-75 PERCENT VALLEY FLOOR...AROUND 50 PERCENT RIDGE. 20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY...MAINLY EAST 5-10 MPH...WITH GUSTS TO 15 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. RIDGE TOP WINDS.....WEST 4 TO 8 MPH. LAL.................2. CHC OF WETTING RAIN.7 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6500 FT AGL DECREASING TO 800 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....WEST 4 TO 8 MPH ON RIDGE...EAST 4 TO 8 MPH BELOW 8000 FEET. SMOKE DISPERSAL.....GOOD (65000 KNOT-FT) DECREASING TO POOR (9000 KNOT-FT) BY 10 PM. .SUNDAY... SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) THEN BECOMING MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING...THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....77-82 VALLEY FLOOR...68-73 ON RIDGE. MIN HUMIDITY........25-30 PERCENT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE NORTHWEST LATE IN THE AFTERNOON. LAL.................1 UNTIL 1200...THEN 4. CHC OF WETTING RAIN.8 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4600 FT AGL INCREASING TO 8100 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 6 TO 11 MPH...THEN NORTHWEST LATE. SMOKE DISPERSAL.....POOR TO GOOD (32200-73900 KNOT-FT). .FORECAST DAYS 3 THROUGH 5... .SUNDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH. .MONDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH. .TUESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH. .WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...MURRELL REQUESTED BY...DWAYNE GIBBONS REASON FOR REQUEST...PRESCRIBED .TAG 20090530.BRADL.01/RIW