FNUS76 KSTO 050105
FWSSTO

SPOT FORECAST FOR HAT CREEK COMPLEX...LASSEN NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
605 PM PDT TUE AUG 4 2009

FORECAST IS BASED ON REQUEST TIME OF 1720 PDT ON AUGUST 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING FOR LIGHTNING...

.DISCUSSION...THE UPPER LEVEL LOW WILL REMAIN OFF THE CALIFORNIA
COAST TONIGHT...BRINGING UNSEASONABLY COOL TEMPERATURES AND MODERATE
HUMIDITY RECOVERIES TO THE BURN SITE.  HOWEVER...THE LOW WILL SHIFT
INLAND LATE WEDNESDAY AND THURSDAY...BRINGING AN INCREASE CLOUD
COVER AND COOLER TEMPERATURES.  GUSTY WINDS WILL ALSO DEVELOP ONCE
AGAIN BY WEDNESDAY AFTERNOON.  THE THREAT OF SHOWERS AND
THUNDERSTORMS RETURNS ON WEDNESDAY NIGHT AND THURSDAY...WITH A FIRE
WEATHER WATCH IN PLACE FOR LIGHTNING.  ALTHOUGH THESE THUNDERSTORMS
ARE EXPECTED TO BE WET...THEY WILL LIKELY CREATE GUSTY AND ERRATIC
WINDS ON THE FIRE.

.TONIGHT...
SKY/WEATHER.........CLEAR. AREAS OF SMOKE DEVELOPING OVERNIGHT.
MIN TEMPERATURE.....48-53 LOWER ELEVATIONS...AND 54-58 HIGH
                    ELEVATIONS.
MAX HUMIDITY........65-70 PERCENT LOWER ELEVATIONS...AND 47-52
                    HIGHER ELEVATIONS.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 6 TO 12 MPH WITH GUSTS AROUND 20
                    MPH IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY
                    1 TO 5 MPH.
   RIDGETOP.........SOUTHWEST TO SOUTH 8 TO 15 MPH WITH GUSTS UP TO
                    25 MPH IN THE EVENING DECREASING TO 5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......AROUND 6500 FT AGL FALLING TO NEAR THE SURFACE
                    OVERNIGHT.
MIXING WINDS........SOUTHWEST WINDS 10 TO 15 MPH BECOMING SOUTH 5 TO
                    10 MPH OVERNIGHT.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY. AREAS
                    OF SMOKE IN THE MORNING.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....VARIABLE WINDS UP TO 4 MPH BECOMING SOUTHWEST 8
                    TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE
                    AFTERNOON.
   RIDGETOP.........VARIABLE WINDS 2 TO 6 MPH BECOMING SOUTHEAST 10
                    TO 20 MPH WITH GUSTS UP TO 30 MPH IN THE
                    AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......NEAR THE SURFACE IN THE MORNING INCREASING TO
                    AROUND 10000 FT AGL.
MIXING WINDS........SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING
                    BECOMING SOUTH TO SOUTHWEST 10 TO 20 MPH.


FORECASTER...PALMER
REQUESTED BY...KEN LARSON
REASON FOR REQUEST...WILDFIRE
.TAG 20090804.HATCR.01/STO

$$