FNUS76 KSTO 131711 FWSSTO SPOT FORECAST FOR SAND BAR FLAT NATIONAL WEATHER SERVICE SACRAMENTO CA 1011 AM PDT WED MAY 13 2009 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. DISCUSSION...SHOULD SEE SIMILAR CONDITIONS TODAY TO TUESDAY WITH WESTERLY FLOW ALOFT CONTINUING. A WEATHER SYSTEM MOVING INTO THE PACIFIC NORTHWEST TONIGHT MAY BRING A SLIGHT INCREASE IN AFTERNOON WINDS BUT LITTLE COOLING OR CHANGE IN HUMIDITY TODAY. AS THE WEATHER SYSTEM PASSES TO THE NORTH TONIGHT AND EARLY THURSDAY THERE MAY BE ANOTHER SLIGHT INCREASE IN WINDS ON THURSDAY WITH A MORE SIGNIFICANT INCREASE IN HUMIDITY. MUCH WARMER AND DRIER CONDITIONS EXPECTED FRIDAY AND OVER THE WEEKEND. FOR PLANNED IGNITION TIME OF 1030 PDT 5/13/09 WEATHER............MOSTLY SUNNY. TEMPERATURE........MAX 64 TO 68 HUMIDITY...........MIN 24 TO 29% WIND...20-FT.......SOUTHWEST 2-4 GUSTS 10 MPH. RIDGETOP WIND......SOUTHWEST TO WEST 5-13 MPH MIXING HEIGHT......INCREASING TO 4000 TO 5000 FEET BY EARLY AFTERNOON THEN DECREASING BY LATE AFTERNOON. MIXING WINDS.......NORTHWEST AROUND 10 MPH. FOR TONIGHT WEATHER............PARTLY CLOUDY. TEMPERATURE........MIN 41-45 HUMIDITY...........MAX 74-79% WIND...20-FT.......SHIFTING TO NORTHEAST 1-4 MPH AFTER ABOUT 2000. RIDGETOP WIND......WEST TO NORTHWEST 5 TO 10 MPH MIXING HEIGHT......DROPPING TO BELOW A 1000 FEET BY LATE EVENING. MIXING WINDS.......NORTHWEST TO NORTH 5 TO 10 MPH. OUTLOOK FOR TOMORROW WEATHER............PARTLY CLOUDY BECOMING MOSTLY SUNNY. TEMPERATURE........MAX 64 TO 68. HUMIDITY...........MIN 30-36% WIND...20-FT.......BECOMING WEST 3-5 GUSTS TO 11 MPH AFTER ABOUT 0900. RIDGETOP WIND......WEST TO NORTHWEST 6 TO 14 MPH. MIXING HEIGHT......INCREASING TO 4000 TO 5000 FEET AFTER ABOUT 0900. MIXING WINDS.......NORTHWEST 5 TO 10 MPH. FORECASTER...SMITH $$ REQUESTED BY...JON PAYNE REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, U