FNUS75 KRIW 101208 FWSRIW SPOT FORECAST FOR BULL...IA TDC NATIONAL WEATHER SERVICE RIVERTON WY 608 AM MDT TUE AUG 10 2010 FORECAST IS BASED ON REQUEST TIME OF 1929 MDT ON AUGUST 09. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK DISTURBANCE WILL PASS OVER THE BURN SITE THROUGH ABOUT 8 AM WITH A BROKEN DECK OF CLOUDS AND POSSIBLY A BRIEF SPRINKLE. OTHERWISE...IT WILL BECOME MOSTLY SUNNY THIS MORNING. A FEW BUILDUPS ARE EXPECTED OVER THE MOUNTAINS THIS AFTERNOON BUT IT LOOKS LIKE MOST STORMS WILL BE NORTH OF THE AREA. ISOLATED LATE DAY THUNDERSTORMS ARE POSSIBLE ON WEDNESDAY. AN INCREASING SOUTHWEST FLOW ALOFT WILL LEAD TO BREEZY CONDITIONS THIS AFTERNOON AND BREEZY TO WINDY WEDNESDAY. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...SKRBAC .TODAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0800L (70-80 PERCENT)... THEN MOSTLY SUNNY (15-25 PERCENT) UNTIL 1400L. PARTLY CLOUDY (40-50 PERCENT) AFTER 1400L. ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....64-67...EXCEPT LOWER 70S AT 7000 FEET. MIN HUMIDITY........24-29 PERCENT. WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 8-12 MPH AFTER 1000L...THEN INCREASING TO 12-16 MPH WITH GUSTS TO 25 MPH AFTER 1200L. GUSTY AND ERRATIC WINDS EXPECTED IF ANY THUNDERSTORMS FORM THIS AFTERNOON. RIDGE TOP WINDS.....SOUTHWEST 18 TO 28 MPH. LAL.................1 UNTIL 1400...THEN 2. CWR.................4 PERCENT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4400-5400 FT AGL INCREASING TO 8000-8500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH. SMOKE DISPERSAL.....GOOD (75000 KNOT-FT) INCREASING TO VERY GOOD TO EXCELLENT (140000-160000 KNOT-FT) IN THE AFTERNOON. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING CLEAR (5-15 PERCENT). MIN TEMPERATURE.....42-45. MAX HUMIDITY........70-80 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 9 TO 11 MPH UNTIL 2000L THEN BECOMING DOWNSLOPE/DOWNVALLEY AT 4-8 MPH. RIDGE TOP WINDS.....SOUTHWEST 20 TO 30 MPH. LAL.................1. CWR.................3 PERCENT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4500-5200 FT AGL DECREASING TO 1400-2000 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTHWEST 18 TO 22 MPH. SMOKE DISPERSAL.....VERY GOOD (100000 KNOT-FT) DECREASING TO POOR (38400 KNOT-FT) AFTER MIDNIGHT. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1400L. MAX TEMPERATURE.....65-68...EXCEPT 72-76 AT 7000 FEET. MIN HUMIDITY........21-26 PERCENT. WIND (20 FT)........SOUTH WINDS 6 TO 11 MPH SHIFTING TO THE SOUTHWEST 16 TO 20 MPH WITH GUSTS TO AROUND 28 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....SOUTHWEST 18-26 MPH. LAL.................1 UNTIL 1400...THEN 2. CWR.................5 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4800-5800 FT AGL INCREASING TO 9000-9500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 15 TO 20 GUSTS TO 25 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (92000 KNOT-FT) INCREASING TO EXCELLENT (162000 KNOT-FT) IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. SOUTH WINDS AROUND 11 MPH. .THURSDAY...PARTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH. .FRIDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN 10 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...SKRBAC REQUESTED BY...KINGS PEAK FM REASON FOR REQUEST...WILDFIRE .TAG 20100809.BULL_.01/RIW