FNUS75 KRIW 300124 FWSRIW SPOT FORECAST FOR NORTH BUFFALO FIRE...USFS BTF NATIONAL WEATHER SERVICE RIVERTON WY 724 PM MDT SAT SEP 29 2012 FORECAST IS BASED ON REQUEST TIME OF 1818 MDT ON SEPTEMBER 29. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A DRIER AND WARMER AND MORE STABLE NORTHWEST FLOW WILL PREVAIL OVER WESTERN WYOMING ON SUNDAY. A WEAK COLD FRONT WILL DROP SOUTH...EAST OF THE DIVIDE SUNDAY AFTERNOON WITH SOME CUMULUS BUILD-UPS AND ISOLATED SHOWERS ALONG THE EAST SLOPES...PRIMARILY EAST OF THE FIRE. A WARMING AND DRYING TREND WILL CONTINUE ON MONDAY UNDER A RIDGE OF HIGH PRESSURE. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...MEUNIER .SUNDAY... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED LIGHT RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....59-64 FROM 7500 TO 8500 FEET...53 TO 58 ABOVE 8500 FEET. MIN HUMIDITY........29-33 PERCENT FROM 7500 TO 8500 FEET...33 TO 38 PERCENT ABOVE 8500 FEET. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-7 MPH LATE MORNING AND EARLY AFTERNOON. NORTHWEST 5 TO 10 MPH WITH GUSTS TO 15 MPH LATE AFTERNOON. RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3300-4300 FT AGL INCREASING TO 6000-7000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH IN THE MORNING...INCREASING 20 TO 25 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (31900 KNOT-FT) INCREASING TO VERY GOOD (120000 KNOT-FT) IN THE AFTERNOON. .SUNDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). MIN TEMPERATURE.....36-39. MAX HUMIDITY........67-70 PERCENT. 20 FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH EARLY IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH. RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH IN THE EVENING...DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4800-5800 FT AGL DECREASING TO 2000-2800 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH...DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....GOOD (68900 KNOT-FT) DECREASING TO POOR (19200 KNOT-FT) AFTER MIDNIGHT. .MONDAY... SKY/WEATHER.........SUNNY (0-5 PERCENT). MAX TEMPERATURE.....62-67 FROM 7500 TO 8500 FEET...56 TO 61 ABOVE 8500 FEET. MIN HUMIDITY........26-30 PERCENT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-7 MPH LATE MORNING AND EARLY AFTERNOON. WEST 5 TO 10 MPH WITH GUSTS TO 15 MPH LATE AFTERNOON. RIDGE TOP WINDS.....WEST 5 TO 10 MPH INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500-3500 FT AGL INCREASING TO 4600-5600 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 5 TO 10 MPH IN THE MORNING...INCREASING TO 15 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (21000 KNOT-FT) INCREASING TO GOOD (66300 KNOT-FT) IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .MONDAY NIGHT...CLEAR. LOWS IN THE UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH. .TUESDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S. WEST WIND 10 TO 15 MPH WITH GUSTS 20 TO 25 MPH IN THE AFTERNOON. .WEDNESDAY...COOLER. MOSTLY CLOUDY WITH A CHANCE RAIN AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH. .THURSDAY...PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...MEUNIER REQUESTED BY...JAMIE TYSON REASON FOR REQUEST...WILDFIRE .TAG 20120929.NORTH.01/RIW