FNUS75 KRIW 161000 FWSRIW SPOT FORECAST FOR MOOSE...IA TDC NATIONAL WEATHER SERVICE RIVERTON WY 400 AM MDT FRI AUG 16 2013 FORECAST IS BASED ON REQUEST TIME OF 2037 MDT ON AUGUST 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ANOTHER VERY DRY DAY WITH MINIMUM RELATIVE HUMIDITIES PROBABLY BOTTOMING OUT UNDER 10 PERCENT. ON SATURDAY...A WEAK WEATHER DISTURBANCE WILL MOVE NORTHEAST ACROSS THE AREA PRODUCING ISOLATED AFTERNOON AND EVENING THUNDERSTORMS IN THE AREA. THE MAIN THREAT FROM THESE STORMS ON SATURDAY WOULD BE GUSTY...ERRATIC WINDS OF 40 TO 50 MPH. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...SKRBAC .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....74-76. MIN HUMIDITY........8-12 PERCENT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 3-6 MPH BECOMING WEST 5-10 MPH BY NOON WITH GUSTS UP TO 15 MPH. RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....AROUND 50. MAX HUMIDITY........34-37 PERCENT. 20 FOOT WINDS.......WEST WINDS 8 TO 10 MPH EARLY IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15 MPH. RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THEN BECOMING PARTLY CLOUDY (50-60 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....72-75. MIN HUMIDITY........18-21 PERCENT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST AROUND 10 MPH WITH GUSTS TO 20 MPH AFTER 1200L. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....SOUTHWEST 17 TO 22 MPH. LAL.................1 UNTIL 1300...THEN 2. CHC OF WETTING RAIN.LESS THAN 5 PERCENT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SATURDAY NIGHT...PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH. .SUNDAY...MOSTLY CLEAR WITH ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH. .MONDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH. .TUESDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...SKRBAC REQUESTED BY...IC REASON FOR REQUEST...WILDFIRE .TAG 20130815.MOOSE.01/RIW