FNUS75 KRIW 111502 FWSRIW SPOT FORECAST FOR UPPER WIND FT6...USFS SHF NATIONAL WEATHER SERVICE RIVERTON WY 902 AM MDT SAT MAY 11 2013 FORECAST IS BASED ON IGNITION TIME OF 0845 MDT ON MAY 11. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...CLOUDS WILL BE INCREASING AROUND NOON OVER THE MOUNTAINS NORTHWEST OF YOUR BURN AREA. SHOWERS AND A FEW THUNDERSTORMS ARE TO FORM OVER THE HIGH COUNTRY ABOVE YOUR LOCATION AND THEY WILL MOVE SOUTHEAST OFF THE MOUNTAINS AND ACROSS YOUR LOCATION DURING THE AFTERNOON AND EARLY EVENING. GUSTY OUTFLOW WIND TO 30 MPH OR HIGHER CAN BE EXPECTED NEAR SHOWERS OR STORMS. RAINFALL WILL BE BRIEF AND LIGHT UNLESS YOU TAKE A DIRECT HIT FROM A STORM. KEEP AN EYE TO THE NORTHWEST FROM NOON ONWARD FOR THE DEVELOPMENT OF SHOWERS OR STORMS. SIMILAR WEATHER IS EXPECTED ON SUNDAY AFTERNOON WITH THE ISOLATED SHOWERS AND STORMS WITH GUSTY WIND AND BRIEF RAINFALL. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...AR .TODAY... SKY/WEATHER.........PARTLY CLOUDY UNTIL NOON. THEN INCREASING CLOUDS. ISOLATED SHOWERS AND THUNDERSTORMS FROM AS EARLY AS 1300 THROUGH 1800. MAX TEMPERATURE.....58-62. MIN HUMIDITY........20-25 PERCENT. 20 FOOT WINDS.......WEST TO NORTHWEST AT 5 TO 10 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR SHOWERS AND THUNDERSTORMS UP TO 30 MPH. RIDGE TOP WINDS.....WEST TO NORTHWEST AT 8 TO 12 MPH WITH GUSTS TO 15 MPH. WIND GUSTS NEAR SHOWERS OR STORMS UP TO 35 MPH. LAL.................1 UNTIL 1300...THEN 2 UNTIL 1800. CHC OF WETTING RAIN.5 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......INCREASING TO 6100-7100 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST TO NORTHWEST AROUND 15 MPH. SMOKE DISPERSAL.....FAIR...INCREASING TO GOOD BY 1500. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL SUNSET WITH ISOLATED SHOWERS OR THUNDERSTORMS. THEN BECOMING PARTLY CLOUDY. MIN TEMPERATURE.....38-42. MAX HUMIDITY........75-79 PERCENT. 20 FOOT WINDS.......WEST TO NORTHWEST AT 5 TO 10 MPH UNTIL SUNSET. THEN WEST TO NORTHWEST AT 4 TO 8 MPH. WIND GUSTS UP TO 30 MPH NEAR SHOWERS OR STORMS. RIDGE TOP WINDS.....WEST TO NORTHWEST AT 8 TO 13 MPH UNTIL SUNSET. THEN WEST TO NORTHWEST T 5 TO 9 MPH. LAL.................2 UNTIL 2000...THEN LAL 1. CHC OF WETTING RAIN.2 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......DECREASING TO 500-900 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH...DECREASING TO 5 TO 10 MPH BY MIDNIGHT. SMOKE DISPERSAL.....GOOD TO FAIR UNTIL SUNSET...THEN DECREASING TO POOR AROUND MIDNIGHT. .SUNDAY... SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING. INCREASE IN CLOUDS IN THE AFTERNOON WITH ISOLATED SHOWERS OR A THUNDERSTORM FROM 1400 TO 1800. MAX TEMPERATURE.....65-68. MIN HUMIDITY........20-24 PERCENT. 20 FOOT WINDS.......WEST TO NORTHWEST AT 5 TO 8 MPH UNTIL 1200. WEST TO NORTHWEST AT 7 TO 11 MPH AFTER 1200. RIDGE TOP WINDS.....WEST TO NORTHWEST AT 7 TO 10 MPH UNTIL 1200. WEST TO NORTHWEST AT 10 TO 15 MPH AFTER 1200. LAL.................1 UNTIL 1400...THEN LAL 2. CHC OF WETTING RAIN.2 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......INCREASING TO 7000-8000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH. SMOKE DISPERSAL.....BECOMING FAIR BY NOON...THEN INCREASING TO VERY GOOD BY 1600. .FORECAST DAYS 3 THROUGH 5... .SUNDAY NIGHT...PARTLY CLOUDY. LOWS IN THE MID 30S. WINDS GENERALLY LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS IN THE UPPER 60S. WEST WINDS 15 TO 20 MPH. .TUESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND 60. WEST WINDS AROUND 13 MPH. .WEDNESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...ROSS REQUESTED BY...NICK PIEPER REASON FOR REQUEST...PRESCRIBED .TAG 20130511.UPPER.01/RIW