FNUS75 KRIW 011213 FWSRIW SPOT FORECAST FOR BULL...IA TDC NATIONAL WEATHER SERVICE RIVERTON WY 613 AM MDT WED SEP 1 2010 FORECAST IS BASED ON REQUEST TIME OF 2005 MDT ON AUGUST 31. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A DISTURBANCE WILL MOVE THROUGH THE NORTHERN ROCKIES TODAY...RESULTING IN CONTINUED MOIST AND COOL CONDITIONS. THERE IS A GOOD CHANCE FOR SOME PRECIPITATION...WITH SOME SNOW ACROSS THE HIGHER ELEVATIONS OF THE FIRE SITE...MAINLY ABOVE 8000 FEET. HOWEVER...NO ACCUMULATION WILL OCCUR. IN ADDITION...BREEZY WESTERLY WINDS ARE EXPECTED TODAY. AT RIDGE TOP...WINDS ARE EXPECTED TO BE SLIGHTLY SOUTH OF DUE WEST. HOWEVER...WINDS IN THE VALLEY FLOORS SUCH AS IN THE BULL CREEK AND LITTLE GRANITE CREEK DRAINAGES SHOULD BE MORE NORTHWEST DUE TO THEIR ORIENTATION. A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE AREA THURSDAY AND FRIDAY. THIS WILL RESULT IN DRY CONDITIONS WITH WARMER TEMPERATURES AND LIGHT WINDS. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...MURRELL .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (85 PERCENT). SCATTERED SHOWERS. MAX TEMPERATURE.....54-58 AT 8000 FEET. 59-63 AT 6500 FEET. MIN HUMIDITY........AROUND 40 PERCENT. 20 FOOT WINDS.......WEST 5-10 MPH...BECOMING WEST SOUTHWEST 12-18 MPH BETWEEN NOON AND 1400. GUSTS AROUND 25 MPH. WEAKER WINDS IN THE MEADOWS...AND MORE NORTHWEST. RIDGE TOP WINDS.....WEST SOUTHWEST 10 TO 15 MPH INCREASING TO AROUND 20 MPH BY 1300. GUSTS TO 35 MPH. LAL.................1. CHC OF WETTING RAIN.10 PERCENT. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL INCREASING TO 4500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST SOUTHWEST 20 TO 30 MPH. SMOKE DISPERSAL.....FAIR (54900 KNOT-FT) INCREASING TO VERY GOOD (132100 KNOT-FT) BY THE AFTERNOON. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING MOSTLY CLEAR (15-25 PERCENT). SCATTERED SHOWERS IN THE EVENING. MIN TEMPERATURE.....30-35. MAX HUMIDITY........85-90 PERCENT. 20 FOOT WINDS.......WEST AROUND 10 MPH...BECOMING NORTHWEST 5-10 MPH BY 2000...THEN BECOMING DOWNSLOPE/DOWNVALLEY 3-6 MPH AFTER 0300. EVENING GUSTS AROUND 25 MPH. RIDGE TOP WINDS.....WEST AROUND 20 MPH...BECOMING NORTHWEST AROUND 15 MPH BY AROUND 2000...THEN NORTH AROUND 5 MPH AFTER 0300. LAL.................1. CHC OF WETTING RAIN.1 PERCENT. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3400 FT AGL DECREASING TO 800 FT AGL BY MIDNIGHT. TRANSPORT WINDS.....WEST AROUND 20 MPH...BECOMING NORTHWEST AROUND 15 MPH BY AROUND 2000...THEN NORTH AROUND 5 MPH AFTER 0300. SMOKE DISPERSAL.....GOOD (94900 KNOT-FT) DECREASING TO POOR (15400 KNOT-FT) BY 2100. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT). MAX TEMPERATURE.....60-65. MIN HUMIDITY........18-22 PERCENT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-8 MPH. GUSTS UP TO 15 MPH IN THE AFTERNOON. RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000-3000 FT AGL INCREASING TO 6000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 10 TO 15 MPH. SMOKE DISPERSAL.....POOR INCREASING TO GOOD. .FORECAST DAYS 3 THROUGH 5... .THURSDAY NIGHT...CLEAR. LOWS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH. .FRIDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND 70. WEST WINDS 10-15 MPH. .SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S. WEST TO SOUTHWEST WINDS 10-20 MPH. $$ FORECASTER...MURRELL REQUESTED BY...TIDC REASON FOR REQUEST...WILDFIRE .TAG 20100831.BULL_.01/RIW