FNUS76 KSTO 181553
FWSSTO

SPOT FORECAST FOR BUMMER FIRE...STANISLAUS NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
853 AM PDT MON OCT 18 2010

FORECAST IS BASED ON REQUEST TIME OF 0812 PDT ON OCTOBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
UPPER LEVEL LOW WILL DRIFT SOUTHWARD ALONG THE COAST TODAY WITH
WRAP AROUND SHOWERS AND POSSIBLE AFTERNOON T-STORMS OVER THE FIRE
AREA TODAY MOVING FROM EAST TO WEST. DRIER AND WARMER CONDITIONS
WILL PREVAIL FARTHER DOWNSLOPE WEST OF THE FIRE AS A NORTHEAST TO
EASTERLY GRADIENT DEVELOPS TODAY. THESE TRENDS WILL CONTINUE
THROUGH WEDNESDAY. ANOTHER SERIES OF SYSTEMS MAY APPROACH
NORTHERN CALIFORNIA LATER THIS WEEK AND WEEKEND...BRINGING THE
RETURN OF COOLER TEMPERATURES AND UNSETTLED WEATHER TO THE AREA.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS THROUGH THE
                    DAY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........34-39 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST WINDS 7 TO 10 MPH WITH GUSTS TO 20 MPH
    THIS MORNING DECREASING TO 3 TO 6 MPH IN THE
    AFTERNOON.
   RIDGETOP.........EAST 5 TO 8 MPH WITH GUSTS TO 15 MPH.
CWR.................40 PERCENT.
LAL.................1 BECOMING 2 IN THE AFTERNOON.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 7000-8000
    FT AGL.
MIXING WINDS........EAST 9 TO 12 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
                    SLIGHT CHANCE OF SHOWERS IN THE EVENING.
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........84-89 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST WINDS 3 TO 6 MPH INCREASING TO 8 TO
                    13 MPH AFTER MIDNIGHT WITH GUSTS TO 20 MPH.
   RIDGETOP.........EAST 9 TO 13 MPH.
CWR.................20 PERCENT DECREASING AFTER MIDNIGHT.
LAL.................1.
MIXING HEIGHT.......7000 FT AGL DECREASING TO LESS THAN 500 FT AGL
    EARLY IN THE EVENING.
MIXING WINDS........EAST 8 TO 12 MPH.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST WINDS 10 TO 15 MPH SHIFTING TO THE
    SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
   RIDGETOP.........EAST 13 MPH.
CWR.................10 PERCENT.
LAL.................1.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 7000-8500
    FT AGL LATE IN THE MORNING...THEN DECREASING
    TO 6500 FT AGL LATE IN THE AFTERNOON.
MIXING WINDS........EAST 8 TO 12 MPH.


FORECASTER...JCLAPP
REQUESTED BY...SUMMIT FUM LEAD
REASON FOR REQUEST...WILDFIRE
.TAG 20101018.BUMME.01/STO

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