FNUS76 KSTO 121406
FWSSTO

SPOT FORECAST FOR SAN DIMAS ENGINE BURNOVER STUDY...CALFIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
706 AM PDT WED OCT 12 2011

FORECAST IS BASED ON IGNITION TIME OF 1400 PDT ON OCTOBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE BUILDS INTO THE WESTERN GREAT BASIN GENERATING
NORTHEAST WINDS THIS MORNING AND SHIFTING WEST TO NORTHWEST BY
NOON. GOOD HEATING TOGETHER WITH DRYING WINDS TODAY WILL LOWER RH
AS TYPICAL IN THE AFTERNOON. THURSDAY AND FRIDAY WILL BRING MORE
WARMING AND SLIGHT DRYING WITH SIMILAR TERRAIN INFLUENCED WINDS.
LOW LEVEL INSTABILITY SHOULD BE FAIRLY GOOD THE NEXT FEW DAYS WITH
GOOD SURFACE HEATING. A MORE STABLE ENVIRONMENT EXISTS IN THE MID
LEVELS OF THE ATMOSPHERE.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........83-86.
RH..................30-35 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WINDS NORTHEAST 1 TO 4 MPH SHIFTING WEST TO
    NORTHWEST BY AROUND NOON. THEN INCREASING TO 5
    TO 7 MPH AT IGNITION.
   RIDGETOP.........NORTHEAST 3 TO 5 MPH THEN BECOMING NORTHWEST
    6 TO 10 MPH AROUND NOON WITH GUSTS TO 15 MPH.
CWR.................0 PERCENT.

.TONIGHT...

SKY/WEATHER.........CLEAR.
TEMPERATURE.........60-64.
RH..................65-70 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTH WINDS 5 TO 8 MPH IN THE EVENING BECOMING
                    LIGHT AND VARIABLE...THEN BECOMING SOUTHEAST 1
    TO 3 MPH EARLY IN THE MORNING.
   RIDGETOP.........NORTH 6 TO 10 MPH IN THE EVENING BECOMING
                    SOUTHEAST AT 1 TO 4 MPH.
CWR.................0 PERCENT.

.THURSDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........86-90.
RH..................25-30 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST WINDS 1 TO 4 MPH EARLY IN THE MORNING
                    BECOMING LIGHT AND VARIABLE...THEN BECOMING
    NORTHWEST 3 TO 7 MPH BY NOON.
   RIDGETOP.........LIGHT VARIABLE WINDS BECOMING NORTHWEST 5 TO 8
    MPH BY NOON.
CWR.................0 PERCENT.

.FRIDAY...
SUNNY AND VERY SIMILAR TO THURSDAY. LOWS 64 TO 69. HIGHS 88 TO
93. MIN RH 25 TO 30 PERCENT. NORTHEAST WINDS 2 TO 5 MPH IN THE
MORNING SHIFTING NORTHWEST 5 TO 9 MPH.


FORECASTER...JCLAPP
REQUESTED BY...BILL BAXTER
REASON FOR REQUEST...PRESCRIBED
.TAG 20111012.SANDI.01/STO

$$