FNUS76 KSTO 061321
FWSSTO

SPOT FORECAST FOR ARNOLD...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
521 AM PST WED FEB 6 2013

FORECAST IS BASED ON IGNITION TIME OF 1030 PST ON FEBRUARY 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
DRY WEATHER SHOULD CONTINUE TODAY INTO THE FIRST HALF OF THURSDAY.
AN APPROACHING LOW PRESSURE SYSTEM IS EXPECTED TO BRING
PRECIPITATION STARTING THURSDAY AFTERNOON OR EVENING. PRECIP IS
LIKELY TO START OFF AS RAIN BEFORE TRANSITIONING OVER TO SNOW
THURSDAY NIGHT. SHOWERS COULD CONTINUE INTO FRIDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........34-39 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST WINDS 1 TO 3 MPH BECOMING SOUTHWEST
                    IN THE AFTERNOON.
   RIDGETOP.........NORTHEAST 2 TO 4 MPH BECOMING SOUTHWEST IN THE
                    AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 2500 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTHEAST 1 TO 4 MPH BECOMING SOUTHWEST IN THE
                    AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....33-38.
MAX HUMIDITY........83-88 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST WINDS UP TO 3 MPH IN THE EVENING
                    BECOMING LIGHT.
   RIDGETOP.........SOUTHWEST 3 TO 6 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......2000 FT AGL DECREASING TO LESS THAN 500 FT AGL
                    BY LATE EVENING.
MIXING WINDS........LIGHT WINDS.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING...THEN MOSTLY
                    CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS
                    IN THE AFTERNOON.
MAX TEMPERATURE.....44-49.
MIN HUMIDITY........41-46 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
                    SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
   RIDGETOP.........SOUTHWEST 5 TO 10 MPH.
CWR.................10 PERCENT INCREASING TO 50 PERCENT IN THE
                    AFTERNOON.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 5000 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH.


FORECASTER...TGD
REQUESTED BY...PAUL KARPUS
REASON FOR REQUEST...PRESCRIBED
.TAG 20130206.ARNOL.01/STO

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