FNUS75 KRIW 171925 FWSRIW SPOT FORECAST FOR RAILROAD TRACT PRESCRIBED BURN...BLM WOD NATIONAL WEATHER SERVICE RIVERTON WY 1225 PM MST WED NOV 17 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON NOVEMBER 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN APPROACHING PACIFIC DISTURBANCE WILL BRING BREEZY TO WINDY CONDITIONS OVER THE BURN AREA THURSDAY. A COLD FRONT WILL MOVE INTO THE AREA EARLY FRIDAY...BRINGING LIGHTER WINDS FROM THE NORTH AND COOLER TEMPERATURES. A SERIES OF WEAK DISTURBANCES WILL FOLLOW...BRINGING A CHANCE OF LIGHT SNOW FOR SATURDAY AFTERNOON THROUGH SUNDAY. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...BERC .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). MAX TEMPERATURE.....44-47. MIN HUMIDITY........32-35 PERCENT. 20 FOOT WINDS.......SOUTHEAST WINDS 11 TO 16 MPH. GUSTS UP TO 25 MPH INCREASING TO 30 MPH AROUND NOON... THEN DECREASING TO 20 MPH BY 5 PM. RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH INCREASING TO 20 TO 25 MPH BY 11 AM. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1400-2400 FT AGL. TRANSPORT WINDS.....SOUTHEAST 20 TO 25 MPH. SMOKE DISPERSAL.....POOR (22300-39800 KNOT-FT). .FORECAST DAYS 3 THROUGH 5... .THURSDAY NIGHT...MOSTLY CLOUDY. LOWS IN THE MID 20S. WINDS GENERALLY LESS THAN 10 MPH. .FRIDAY...CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH. .SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 16. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 12. HIGHS AROUND 30. WINDS GENERALLY LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY. LOWS AROUND 4. HIGHS IN THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...BERC REQUESTED BY...ANDY ROTHLEUTNER REASON FOR REQUEST...PRESCRIBED .TAG 20101118.RAILR.01/RIW