FNUS76 KSTO 100045 FWSSTO SPOT FORECAST FOR SAN DIMAS ENGINE BURNOVER STUDY...CALFIRE NATIONAL WEATHER SERVICE SACRAMENTO CA 545 PM PDT SUN OCT 9 2011 FORECAST IS BASED ON IGNITION TIME OF 1400 PDT ON OCTOBER 10. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... THERE IS A GOOD CHANCE OF WETTING RAIN OVER THE BURN SITE TODAY (MONDAY) AS A PACIFIC COLD FRONT MOVES OVER THE AREA. THE RAIN SHOULD BEGIN IN THE AFTERNOON...AND THEN TAPER TO SHOWERS DURING THE EVENING. ON TUESDAY...HIGH PRESSURE IS FORECAST TO BUILD OVER THE AREA. MORNING LOW CLOUDS AND ANY RESIDUAL LIGHT RAIN OR DRIZZLE IS EXPECTED TO GIVE WAY TO MOSTLY SUNNY SKIES BY THE AFTERNOON. .TODAY (MONDAY)... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON. MAX TEMPERATURE.....67-72. MIN HUMIDITY........50-55 PERCENT AROUND MIDDAY...THEN INCREASING DURING THE AFTERNOON. WIND (20 FT)........ SLOPE/VALLEY.....SOUTHEAST TO SOUTH LESS THAN 5 MPH IN THE MORNING BECOMING SOUTHWEST TO WEST 2 TO 7 MPH LATE MORNING AND AFTERNOON. RIDGETOP.........SOUTHEAST UP TO 6 MPH IN THE MORNING BECOMING SOUTHWEST 12 TO 20 MPH IN THE AFTERNOON. CWR.................10 PERCENT INCREASING TO 50 PERCENT IN THE AFTERNOON. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING... TAPERING TO A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....55-60. MAX HUMIDITY........90-95 PERCENT. WIND (20 FT)........ SLOPE/VALLEY.....SOUTHEAST WINDS 2 TO 6 MPH. RIDGETOP.........SOUTH TO SOUTHWEST DECREASING TO 7 TO 15 MPH. CWR.................40 PERCENT. .TUESDAY... SKY/WEATHER.........MORNING LOW CLOUDS AND POSSIBLY SOME LIGHT RAIN OR DRIZZLE...THEN BECOMING MOSTLY SUNNY DURING THE AFTERNOON. MAX TEMPERATURE.....74-77. MIN HUMIDITY........53-58 PERCENT. WIND (20 FT)........ SLOPE/VALLEY.....SOUTHEAST WINDS LESS THAN 5 MPH IN THE MORNING BECOMING SOUTHWEST TO WEST 2 TO 5 MPH IN THE AFTERNOON. RIDGETOP.........SOUTH TO SOUTHWEST 7 TO 14 MPH IN THE MORNING BECOMING SOUTHEAST 4 TO 10 MPH IN THE AFTERNOON AND DECREASING TO LESS THAN 4 MPH BY LATE AFTERNOON OR EARLY EVENING. CWR.................10 PERCENT IN THE MORNING. FORECASTER...JHM REQUESTED BY...BILL BAXTER REASON FOR REQUEST...PRESCRIBED .TAG 20111010.SANDI.01/STO $$