FNUS75 KRIW 101027 FWSRIW SPOT FORECAST FOR MOOSE...IA TDC NATIONAL WEATHER SERVICE RIVERTON WY 427 AM MDT SAT AUG 10 2013 FORECAST IS BASED ON REQUEST TIME OF 2030 MDT ON AUGUST 09. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... MID-LEVEL CLOUDS DRIFTING ACROSS THE AREA THIS MORNING WILL BLOSSOM INTO SCATTERED THUNDERSTORMS THIS AFTERNOON ACROSS THE FIRE AREA. ANY THUNDERSTORMW WILL BE CAPABLE OF PRODUCING GUSTY OUTFLOW WINDS...FREQUENT LIGHTNING BUT ALSO BRIEF HEAVY RAIN. THE CHANCES OF STORMS WILL DECREASE SIGNIFICANTLY ON SUNDAY TO JUST ISOLATED STORMS. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...SKRBAC .TODAY... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS IN THE LATE MORNING...THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....65-68. MIN HUMIDITY........19-23 PERCENT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. RIDGE TOP WINDS.....WEST 10 TO 15 MPH. LAL.................1 UNTIL 1000...THEN 2 UNTIL 1200...THEN 4. CHC OF WETTING RAIN.10 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4400-5400 FT AGL INCREASING TO 7000-8000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 12 TO 14 MPH. SMOKE DISPERSAL.....FAIR (56400 KNOT-FT) INCREASING TO VERY GOOD (111400 KNOT-FT) IN THE AFTERNOON. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SCATTERED SHOWERS AND THUNDERSTORMS IN THE EVENING. MIN TEMPERATURE.....44-47. MAX HUMIDITY........55-58 PERCENT. 20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 10 MPH EARLY IN THE EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING. RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH. LAL.................4 UNTIL 2400...THEN 1. CHC OF WETTING RAIN.5 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6300-7300 FT AGL DECREASING TO 2700-3700 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTHWEST 13 TO 15 MPH. SMOKE DISPERSAL.....POOR TO GOOD (35600-81400 KNOT-FT). .SUNDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT) THEN BECOMING PARTLY CLOUDY (30-40 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....66-69. MIN HUMIDITY........15-18 PERCENT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....WEST 10 TO 15 MPH. LAL.................1 UNTIL 1200...THEN 2. CHC OF WETTING RAIN.3 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5400-6400 FT AGL INCREASING TO 10300-11300 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 14 TO 18 MPH. SMOKE DISPERSAL.....GOOD (74500 KNOT-FT) INCREASING TO EXCELLENT (150400 KNOT-FT) IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .SUNDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH. .TUESDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH. .WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...SKRBAC REQUESTED BY...IC REASON FOR REQUEST...WILDFIRE .TAG 20130809.MOOSE.01/RIW