FNUS76 KOTX 031613 FWSOTX SPOT FORECAST FOR SIR PILE BURNING...SPOKANE BIA-SPA NATIONAL WEATHER SERVICE SPOKANE WA 813 AM PST THU DEC 3 2009 FORECAST IS BASED ON IGNITION TIME OF 0825 MST ON DECEMBER 03. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... DRY BUT COLD WEATHER TODAY WILL ACCOMPANY LIGHT NORTHEAST WINDS. MIXING LEVELS WILL BE SIMILAR TO YESTERDAY...RISING TO AROUND 1500 FEET AGL. THE NEXT COLD FRONT WILL MOVE RAPIDLY ACROSS THE REGION LATE FRIDAY...PRODUCING SOME VERY LIGHT SNOW. A REINFORCING SHOT OF VERY COLD AIR WILL ARRIVE SUNDAY AND LAST WELL INTO NEXT WEEK. GUSTY WINDS WILL BE COMMON SUNDAY. HUMIDITY RECOVERIES WILL BE GOOD. .TODAY... SKY/WEATHER.........SUNNY. WIND (20 FT)........VARIABLE 2 TO 4 MPH. MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 1500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....NORTHEAST 2 TO 6 MPH. .TONIGHT... WIND (20 FT)........VARIABLE 1 TO 3 MPH. MIXING HEIGHT.......1500 FT AGL IN THE EVENING...BECOMING NEAR SURFACE OVERNIGHT. TRANSPORT WINDS.....SOUTHEAST 2 TO 6 MPH. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. $$ FORECASTER...RF REQUESTED BY...KEVIN RITZER TYPE OF REQUEST...PRESCRIBED .TAG 20091203.SIRPI.01/OTX