FNUS76 KSTO 010404
FWSSTO

SPOT FORECAST FOR KNIGHT...US FOREST SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
905 PM PDT FRI JUL 31 2009

FORECAST IS BASED ON REQUEST TIME OF 2024 PDT ON JULY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...UPPER LEVEL LOW OFF OF THE CALIFORNIA COAST LINE WILL
CONTINUE TO DRIFT TOWARDS THE COAST OVER THE NEXT 24 TO 48 HOURS.
AS A RESULT...A FEW HIGH CLOUDS WILL BE POSSIBLE AT TIMES...WITH A
GRADUAL COOLING TREND EXPECTED THROUGH THE WEEKEND.  HUMIDITY TRENDS
WILL ALSO SLOWLY INCREASE.  THERE MAY BE ENOUGH INSTABILITY TO ONCE
AGAIN SEE A SLIGHT CHANCE OF SHOWERS OR THUNDERSTORMS OVER THE
SIERRA CREST ON SATURDAY...BUT SHOULD NOT IMPACT THE FIRE AREA.
LOCALLY BREEZY SOUTHWEST TO WEST WINDS WILL ALSO BE POSSIBLE OVER
THE RIDGES ON SATURDAY.


.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....59-63 LOWER ELEVATIONS...AND 64-67
                    HIGHER ELEVATIONS.
MAX HUMIDITY........65 PERCENT LOWER ELEVATIONS...AND 50-54 PERCENT
                    HIGHER ELEVATIONS.
WIND (20 FT)........
   SLOPE/VALLEY.....DOWNSLOPE/DOWNCANYON WINDS UP TO 4 MPH.
   RIDGETOP.........WEST WINDS 3 TO 6 MPH IN THE EVENING BECOMING
                    EAST TO NORTHEAST AFTER 2200.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......FALLING TO NEAR THE SURFACE.
MIXING WINDS........NORTHEAST TO EAST 3 TO 8 MPH.

.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....81-87.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....VARIABLE WINDS LESS THAN 4 MPH IN THE MORNING
                    BECOMING WEST 3 TO 8 MPH IN THE AFTERNOON.
   RIDGETOP.........VARIABLE WINDS 2 TO 5 MPH IN THE MORNING
                    BECOMING SOUTHWEST TO WEST 5 TO 10 MPH WITH
                    GUSTS UP TO 18 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......NEAR THE SURFACE IN THE MORNING INCREASING TO
                    AROUND 7000 FT AGL IN THE AFTERNOON.
MIXING WINDS........LIGHT EASTERLY IN THE MORNING BECOMING SOUTHWEST
                    TO WEST 5 TO 10 MPH.


FORECASTER...PALMER
REQUESTED BY...BYRON KIMBALL
REASON FOR REQUEST...WILDFIRE
.TAG 20090731.KNIGH.02/STO

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