FNUS75 KRIW 121138 FWSRIW SPOT FORECAST FOR WIGGINS FORK RAT RX...BLM CAD NATIONAL WEATHER SERVICE RIVERTON WY 538 AM MDT THU APR 12 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 11. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...UNSETTLED WEATHER WILL CONTINUE ACROSS THE AREA TODAY WITH STRONG WEST WINDS...A GOOD CHANCE OF SNOW SHOWERS AND PERHAPS AN ISOLATED THUNDERSTORM. THE WEATHER WILL REMAIN UNSETTLED THROUGH THE WEEKEND WITH A GOOD CHANCE OF SHOWERS EACH DAY...ESPECIALLY THROUGH SATURDAY. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...SKRBAC .TODAY... SKY/WEATHER.........CLOUDY (80-90 PERCENT). SCATTERED SNOW SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....38-42. MIN HUMIDITY........45-50 PERCENT. 20 FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....WEST 25 TO 30 MPH. LAL.................1 UNTIL 1200...THEN 2. CHC OF WETTING RAIN.20 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500-2000 FT AGL INCREASING TO 3000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 20 TO 25 MPH. SMOKE DISPERSAL.....FAIR...BECOMING GOOD IN THE AFTERNOON (45000-65000 KNOT-FT). .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING PARTLY CLOUDY (40-50 PERCENT). ISOLATED SNOW SHOWERS AND SNOW SHOWERS IN THE EVENING. MIN TEMPERATURE.....23-26. MAX HUMIDITY........75-78 PERCENT. 20 FOOT WINDS.......WEST WINDS 16 TO 20 MPH WITH GUSTS TO AROUND 30 MPH...DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING. RIDGE TOP WINDS.....WEST AROUND 25 MPH IN THE EVENING...THEN DECREASING TO 15 MPH. LAL.................2 UNTIL 2000...THEN 1. CHC OF WETTING RAIN.10 PERCENT. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1000-1500 FT AGL DECREASING TO 800 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....WEST 20 MPH...DECREASING TO 12 TO 15 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....POOR (11000-25000 KNOT-FT). .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING CLOUDY (80-90 PERCENT). SCATTERED SNOW SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....38-41. MIN HUMIDITY........40-45 PERCENT. 20 FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH HIGHER GUSTS EARLY IN THE MORNING BECOMING UPSLOPE/UPVALLEY 5-9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....WEST 10 TO 15 MPH...BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON. LAL.................1 UNTIL 1200...THEN 2. CHC OF WETTING RAIN.10 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500-3000 FT AGL INCREASING TO 5000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST AROUND 10 MPH IN THE MORNING...THEN SOUTHWEST. SMOKE DISPERSAL.....POOR TO FAIR (27400-50000 KNOT-FT). .FORECAST DAYS 3 THROUGH 5... .FRIDAY NIGHT...CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING...THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 20S. WINDS GENERALLY LESS THAN 10 MPH. .SATURDAY...CLOUDY WITH NUMEROUS SHOWERS AND SCATTERED SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...SKRBAC REQUESTED BY...MONONI REASON FOR REQUEST...PRESCRIBED .TAG 20120411.WIGGI.03/RIW