FNUS75 KRIW 040308 FWSRIW SPOT FORECAST FOR BULL FIRE...USFS BTF NATIONAL WEATHER SERVICE RIVERTON WY 908 PM MDT SUN OCT 3 2010 FORECAST IS BASED ON REQUEST TIME OF 2018 MDT ON OCTOBER 03. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A RIDGE OF HIGH PRESSURE THAT HAS BROUGHT UNSEASONABLY WARM AND DRY WEATHER TO THE AREA WILL CONTINUE TO SLIDE EAST INTO THE PLAINS TONIGHT. A PACIFIC STORM SYSTEM DIVING DOWN THE WEST COAST WILL GET CUTOFF OVER SOUTHERN CALIFORNIA BY TUESDAY...EVENTUALLY LIFTING OUT ACROSS THE CENTRAL ROCKIES FRIDAY AND SATURDAY. A MOIST AND COOLER SOUTHERLY FLOW WILL PREVAIL AHEAD OF THIS SYSTEM ALONG WITH MAINLY SPOTTY SHOWERS AND POSSIBLY AN ISOLATED THUNDERSTORM MONDAY AND TUESDAY. HOWEVER...THE LIKELIHOOD OF RECEIVING A WETTING RAIN REMAINS SLIM. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...MEUNIER .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). ISOLATED RAIN SHOWERS THROUGH THE DAY WITH A THUNDERSTORM POSSIBLE IN THE AFTERNOON. MAX TEMPERATURE.....FROM NEAR 65 AT THE BASE TO 57-60 AT RIDGE TOP. MIN HUMIDITY........33-37 PERCENT. 20 FOOT WINDS.......EAST OR UP VALLEY/UP CANYON 4-7 MPH BECOMING SOUTH SOUTHWEST 8 TO 13 MPH WITH GUST TO 20 MPH AROUND NOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH BECOMING SOUTHWEST 15 TO 20 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.......1800-2800 FT AGL INCREASING TO 4600-5600 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 10 TO 15 MPH BECOMING SOUTHWEST AROUND 20 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (31400 KNOT-FT) INCREASING TO GOOD (82800 KNOT-FT) IN THE AFTERNOON. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). ISOLATED RAIN SHOWERS THROUGH THE NIGHT WITH AN ISOLATED THUNDERSTORM POSSIBLE THROUGH DUSK. MIN TEMPERATURE.....AROUND 40. MAX HUMIDITY........68-73 PERCENT. 20 FOOT WINDS.......SOUTH 5-9 MPH THROUGH SUNSET THEN BECOMING EAST OR DONWSLOPE DOWN CANYON 5-9 MPH AT DUSK. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING. RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH BECOMING SOUTHEAST AROUND 10 MPH AFTER MIDNIGHT. LAL.................2 UNTIL 2000...THEN 1. CHC OF WETTING RAIN.10 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3000-4000 FT AGL DECREASING TO 400-900 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTH AROUND 15 MPH SHIFTING TO THE SOUTHEAST 10 TO 15 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....FAIR (55300 KNOT-FT) DECREASING TO POOR (4300 KNOT-FT) AFTER MIDNIGHT. .TUESDAY... SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT) WITH ISOLATED RAIN SHOWERS. MAX TEMPERATURE.....FROM 66-68 AT THE BASE TO 59-62 AT RIDGE TOP. MIN HUMIDITY........34-37 PERCENT. E GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH BECOMING SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON. 20 FOOT WINDS.......EAST SOUTHEAST OR UP VALLEY/UP CANYON 5-9 MPH VEERING SOUTH SOUTHEAST IN THE EARLY AFTERNOON. RIDGE TOP WINDS.....SOUTH SOUTHEAST AROUND 10 MPH. LAL.................1. CHC OF WETTING RAIN.6 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100-3100 FT AGL INCREASING TO 6300-7300 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH AROUND 15 MPH. SMOKE DISPERSAL.....POOR (36900 KNOT-FT) INCREASING TO GOOD (97000 KNOT-FT) IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .TUESDAY NIGHT...MOSTLY CLOUDY. ISOLATED SHOWERS IN THE EVENING... THEN ISOLATED SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH. .WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS AROUND 60. WINDS GENERALLY LESS THAN 10 MPH. .THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH. .FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...MEUNIER REQUESTED BY...CHRIS VERO REASON FOR REQUEST...WILDFIRE .TAG 20101003.BULLF.01/RIW