FNUS76 KSTO 281244
FWSSTO

SPOT FORECAST FOR PLACERVILLE TRAINING BURN...ELDORADO NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
544 AM PDT THU MAY 28 2009

FORECAST IS BASED ON IGNITION TIME OF 0730 PDT ON MAY 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
PERSISTENT HIGH PRESSURE RIDGE WILL CONTINUE. LIGHT SOUTHERLY FLOW
ALOFT WILL BRING ISOLATED THUNDERSTORMS TO THE AREA AGAIN TODAY SO
WATCH FOR STRONG DOWNDRAFT WINDS AND HEAVY RAIN IN VICINITY OF
THUNDERSTORMS. OTHERWISE WINDS WILL BE GENERALLY LIGHT AND
LOCALLY DRIVEN EXCEPT SOME STRONGER SOUTHWEST TO WESTERLY BREEZES
IN THE AFTERNOONS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
                    ISOLATED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....85-89.
MIN HUMIDITY........30 PERCENT MID MORNING THEN INCREASING IN THE
    AFTERNOON.
WIND (20 FT)........
   SLOPE/VALLEY.....UPSLOPE/UPVALLEY 4 TO 7 MPH WITH SOUTHWEST
    GUSTS TO 12 MPH 1100 TO 1700.
   RIDGETOP.........EAST 2 TO 4 MPH SHIFTING WEST 4 TO 9 MPH AFTER
    1000.
CWR.................30 PERCENT.
LAL.................2.
MIXING HEIGHT.......INCREASING TO 10000 FT AGL IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 4 TO 8 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY BECOMING MOSTLY CLEAR AFTER 2200.
    ISOLATED SHOWERS AND THUNDERSTORMS THROUGH 2100.
MIN TEMPERATURE.....60-63.
MAX HUMIDITY........60-65 PERCENT IN THE EVENING THEN DECREASING
    OVERNIGHT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT DOWNSLOPE WINDS.
   RIDGETOP.........NORTHEAST 2 TO 5 MPH.
CWR.................30 PERCENT.
LAL.................2.
MIXING HEIGHT.......DECREASING TO BELOW 500 FT AGL AFTER MIDNIGHT.
MIXING WINDS........NORTHEAST 3 TO 7 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY WITH
    CUMULUS BUILDUPS TO THE EAST.
MAX TEMPERATURE.....82-85.
MIN HUMIDITY........35 PERCENT MID MORNING THEN INCREASING IN THE
    AFTERNOON.
WIND (20 FT)........
   SLOPE/VALLEY.....UPSLOPE/UPVALLEY 4 TO 7 MPH WITH SOUTHWEST
    GUSTS TO 12 MPH 1200 TO 1800.
   RIDGETOP.........EAST 2 TO 4 MPH SHIFTING WEST 4 TO 9 MPH AFTER
    1000.
CWR.................10 PERCENT.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 10000 FT AGL IN THE AFTERNOON.
MIXING WINDS........SOUTHERLY 4 TO 8 MPH.


FORECASTER...JCLAPP
REQUESTED BY...SEAN FERRELL
REASON FOR REQUEST...PRESCRIBED
.TAG 20090528.PLACE.01/STO

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