FNUS76 KSTO 190439
FWSSTO

SPOT FORECAST FOR PONDEROSA...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
939 PM PDT SAT AUG 18 2012

FORECAST IS BASED ON REQUEST TIME OF 2106 PDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
STRONG HIGH PRESSURE WILL SHIFT EASTWARD AS UPPER LEVEL LOW
PRESSURE OVER THE EASTERN PACIFIC APPROACHES THE COAST. DRY
AND STABLE SOUTH TO SOUTHWEST FLOW WILL PREVAIL OVER THE FIRE SITE
FOR THE NEXT COUPLE OF DAYS. STRONGER SOUTHWEST WINDS ARE EXPECTED
ON MONDAY ESPECIALLY OVER THE RIDGE TOPS.

MIXING WINDS ARE LIKELY TO TURN FROM SOUTHWEST TO LIGHT
SOUTHEASTERLY TONIGHT AND SUNDAY MORNING AS THE AIR MASS COOLS
OVERNIGHT. DURING THE DAY ON SUNDAY...MIXING WINDS WILL PRIMARILY
BECOME SOUTHWESTERLY.


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....62-69.
MAX HUMIDITY........50-55 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST TO SOUTHEAST UP TO 3 MPH.
   RIDGETOP.........EAST TO SOUTHEAST 3 TO 7 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LOWERING TO GROUND LEVEL.
MIXING WINDS........SOUTHEAST 3 TO 5 MPH.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....91-98.
MIN HUMIDITY........10-15 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST WINDS UP TO 6 MPH SHIFTING TO THE
                    SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
   RIDGETOP.........VARIABLE LESS THAN 3 MPH BECOMING SOUTHWEST
                    5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 5000 TO 6000 FT AGL.
MIXING WINDS........SOUTHEAST LESS THAN 3 MPH IN THE MORNING
                    BECOMING SOUTHWEST AT 5 MPH.


FORECASTER...JHM
REQUESTED BY...MICHELE CAMPER-LANGE
REASON FOR REQUEST...WILDFIRE
.TAG 20120818.PONDE.01/STO

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