FNUS75 KBOI 202114 FWSBOI SPOT FORECAST FOR WARM LAKE HAND PILES...BOISE NF NATIONAL WEATHER SERVICE BOISE ID 314 PM MDT THU OCT 20 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON OCTOBER 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...SLIGHTLY ABOVE SEASONAL TEMPERATURES EXPECTED THROUGH SUNDAY... .DISCUSSION... A WEAK UPPER TROUGH WILL MOVE OVER THE BURN AREA THROUGH THE DAY ON FRIDAY. ANY PRECIPITATION IS EXPECTED TO REMAIN NORTH OF THE UNIT. OTHERWISE THE FLOW ALOFT WILL SHIFT FROM WEST TO MORE SOUTHWEST IN RESPONSE TO THE TROUGH DIGGING INTO THE CENTRAL UNITED STATES AND AN UPPER RIDGE MOVING INTO THE WEST COAST ON SATURDAY. MOSTLY SUNNY SKIES WILL PREVAIL THROUGH THE WEEKEND WITH LOWERING VENTILATION INDICIES. .FRIDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....AROUND 55. MIN HUMIDITY........NEAR 45 PERCENT. WIND - EYE LEVEL....LIGHT AND VARIABLE LESS THAN 3 MPH. MIXING HEIGHT.......4500 FT AGL. TRANSPORT WIND......SOUTHWEST 5 TO 10 MPH. VENTILATION INDEX...400 FAIR. $$ FORECASTER...REDMAN REQUESTED BY...CAROL FIELD TYPE OF REQUEST...PRESCRIBED .TAG 20111021.WARML.01/BOI