FNUS76 KSTO 052358
FWSSTO

SPOT FORECAST FOR RAMSEY...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
458 PM PDT WED SEP 5 2012

FORECAST IS BASED ON REQUEST TIME OF 1618 PDT ON SEPTEMBER 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 11 AM PDT THURSDAY...

.DISCUSSION...
UPPER LOW PRESSURE OFFSHORE COMBINED WITH SUB-TROPICAL MOISTURE
OVER CALIFORNIA WILL LEAD TO A THREAT OF THUNDERSTORMS TONIGHT
INTO THURSDAY. HIGH-BASED THUNDERSTORMS WILL LITTLE OR NO ASSOCIATED
PRECIPITATION AND GUSTY WINDS ARE POSSIBLE LEADING TO INCREASED
FIRE POTENTIAL. DRIER WEATHER EXPECTED LATE THURSDAY INTO FRIDAY.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
                    THUNDERSTORMS.
MIN TEMPERATURE.....65-70.
MAX HUMIDITY........70-80 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST WINDS 4 TO 8 MPH WITH EARLY EVENING
                    GUSTS TO 15 MPH SHIFTING TO THE EAST TO 5 MPH
                    AFTER MIDNIGHT. GUSTY WINDS NEAR THUNDERSTORMS.
   RIDGETOP.........WEST WIND 10 TO 15 MPH SHIFTING TO THE
                    EAST UP TO 8 MPH AFTER MIDNIGHT.
CWR.................30 PERCENT.
LAL.................3.
MIXING HEIGHT.......DECREASING BELOW 1000 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........WEST WIND 7 MPH SHIFTING TO THE EAST 5 MPH
                    AFTER MIDNIGHT.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN A SLIGHT
                    CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST WINDS UP TO 6 MPH SHIFTING TO THE
                    SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
   RIDGETOP.........EAST WINDS UP TO 8 MPH SHIFTING TO THE
                    SOUTHWEST 8 TO 15 MPH IN THE AFTERNOON.
CWR.................30 PERCENT.
LAL.................3.
MIXING HEIGHT.......INCREASING TO 5500 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........EAST WIND 5 MPH BECOMING SOUTHWEST
                    TO 8 MPH IN THE AFTERNOON.

.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
                    AND THUNDERSTORMS IN THE EVENING...THEN MOSTLY
                    CLEAR AFTER MIDNIGHT.
MIN TEMPERATURE.....62-67.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST WINDS 4 TO 8 MPH WITH EARLY EVENING
                    GUSTS TO 15 MPH SHIFTING TO THE EAST TO 5 MPH
                    AFTER MIDNIGHT.
   RIDGETOP.........WEST WIND 10 TO 15 MPH SHIFTING TO THE
                    EAST UP TO 8 MPH AFTER MIDNIGHT.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
                    MIDNIGHT.
LAL.................2.
MIXING HEIGHT.......DECREASING BELOW 1000 FT AGL AFTER DARK.
MIXING WINDS........WEST WIND 7 MPH SHIFTING TO THE EAST 5 MPH
                    AFTER MIDNIGHT.


FORECASTER...PCH
REQUESTED BY...SETH GREENE
REASON FOR REQUEST...WILDFIRE
.TAG 20120905.RAMSE.02/STO

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