FNUS76 KSTO 070348
FWSSTO

SPOT FORECAST FOR GRINDSTONE 313...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
748 PM PST TUE NOV 6 2012

FORECAST IS BASED ON IGNITION TIME OF 0930 PST ON NOVEMBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
INCREASING CYCLONIC FLOW WILL BEGIN TO DEVELOP OVER THE REGION ON
WEDNESDAY AS A COLD LOW PRESSURE AREA IN THE GULF OF ALASKA BEGINS TO
MOVE TOWARDS THE LOCATION. TEMPERATURES WILL BE COOLING OFF FOR WEDNESDAY
WITH HIGHER HUMIDITIES AND LIGHT SURFACE WINDS. RAPIDLY LOWERING SNOW
LEVELS ON THURSDAY WILL BRING MUCH COLDER TEMPERATURES AND SNOW TO THE
LOCATION ALONG WITH BREEZY CONDITIONS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........24-29 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....UPSLOPE WINDS 2 TO 4 MPH.
   RIDGETOP.........WEST 6 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......300 FT AGL INCREASING TO 3800-4700 FT AGL.
MIXING WINDS........WEST 6 MPH.

.THURSDAY...

SKY/WEATHER.........RAIN SHOWERS EARLY THEN SNOW SHOWERS LIKELY.
MAX TEMPERATURE.....43-48.
MIN HUMIDITY........59-64 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST WINDS 8 TO 13 MPH WITH LOCAL GUSTS UP TO
                    25 MPH.
   RIDGETOP.........WEST 19 MPH WITH GUSTS UP TO 25 MPH.
CWR.................70 PERCENT.
MIXING HEIGHT.......300 FT AGL INCREASING TO 4300-5700 FT AGL IN
                    THE LATE MORNING AND AFTERNOON.
MIXING WINDS........WEST 19 MPH.


FORECASTER...RB
REQUESTED BY...STEPHANIE GLEASON
REASON FOR REQUEST...PRESCRIBED
.TAG 20121107.GRIND.02/STO

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