FNUS76 KEKA 011645
FWSEKA

SPOT FORECAST FOR BIG FLAT...SIX RIVERS NF
NATIONAL WEATHER SERVICE EUREKA CA
845 AM PST FRI FEB 1 2013

FORECAST IS BASED ON IGNITION TIME OF 0830 PST ON FEBRUARY 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN EUREKA AT (707) 443-6484.

.DISCUSSION...
A HIGH PRESSURE RIDGE WILL KEEP NORTHWEST CALIFORNIA DRY THROUGH
AT LEAST MONDAY. LIGHT OFFSHORE FLOW WILL PERSIST THROUGH MIDDAY
SATURDAY WITH MUCH LOWER RH VALUES INCLUDING VERY POOR OVERNIGHT
RECOVERIES...OUTSIDE OF VALLEY LOCATIONS.
FOG WILL BE PRESENT ACROSS THE DEEPER VALLEYS EACH OVERNIGHT AND
MORNING. LATER SATURDAY AN ONSHORE PUSH WILL BRING INCREASING
RELATIVE HUMIDITY.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 59.
RH..................50 PERCENT AT IGNITION...MIN 35 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 2 TO 4 MPH IN THE MORNING BECOMING
                    CALM THIS AFTERNOON.
SURROUNDING RIDGE...NORTHEAST 2 TO 4 MPH THIS MORNING BECOMING
                    VARIABLE 1 TO 3 MPH.
MIXING HEIGHT.......500 FEET AT IGNITION RISING TO 1700 FEET THIS
                    AFTERNOON.
MIXING WINDS........E 5 MPH.
WIND (20 FT)........WINDS EAST AT 4 TO 6 MPH AT IGNITION...OTHERWISE
                    BECOMING VARIABLE 0 TO 2 MPH THIS AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 38.
RH..................MAX 89 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST 3 TO 5 MPH AFTER
                    MIDNIGHT.
SURROUNDING RIDGE...CALM BECOMING EAST 5 TO 7 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......1000 FEET IN THE EARLY EVENING FALLING TO
                    200 FEET.
MIXING WINDS........EAST 5 MPH.
WIND (20 FT)........DOWNSLOPE 1 TO 2 MPH BECOMING EAST AROUND 5
                    TO 7 MPH TOWARD MORNING.

.SATURDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 55.
RH..................45 PERCENT AT IGNITION...MIN 35 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 3 TO 5 MPH IN THE MORNING BECOMING
                    VARIABLE 0 TO 2 MPH IN THE AFTERNOON.
SURROUNDING RIDGE...EAST 7 TO 9 MPH IN THE MORNING BECOMING
                    CALM THEN WEST-NORTHWEST 2 TO 4 MPH LATE.
MIXING HEIGHT.......500 FEET IN THE MORNING RISING TO 1700 FEET
                    AFTERNOON.
MIXING WINDS........E 5 MPH.
WIND (20 FT)........WINDS EAST AT 5 TO 7 MPH IN THE MORNING
                    BECOMING WEST 1 TO 2 MPH IN THE AFTERNOON.

$$
FORECASTER...DODD
REQUESTED BY...THOMAS DAVIS
TYPE OF REQUEST...PRESCRIBED
.TAG 20130201.BIGFL.01/EKA