FNUS76 KSTO 140045
FWSSTO

SPOT FORECAST FOR FAIRFIELD...LASSEN VOLCANIC NATIONAL PARK
NATIONAL WEATHER SERVICE SACRAMENTO CA
545 PM PDT THU AUG 13 2009

#193-09

FORECAST IS BASED ON INCIDENT TIME OF 1655 PDT ON AUGUST 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...UPPER LEVEL TROUGH WILL BE MOVING OVER THE AREA TODAY
(FRIDAY) BRINGING GUSTY WESTERLY WINDS TO THE RIDGES...COOLER
TEMPERATURES AND HIGHER HUMIDITIES. WARMER AND DRIER CONDITIONS ARE
EXPECTED OVER THE WEEKEND AS NORTH TO NORTHEAST WINDS DEVELOP
BEHIND THE TROUGH.



.TODAY (FRIDAY)...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST LESS THAN 5 MPH EARLY MORNING...
                    BECOMING NORTHWEST 8 TO 14 MPH IN THE AFTERNOON.
   RIDGETOP.........GUSTY SOUTHWEST WINDS 23 TO 33 MPH IN THE
                    MORNING...BECOMING WEST 10 TO 20 MPH IN THE
                    AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 6500 TO 7500 FT AGL.
MIXING WINDS........WEST AT 5 MPH EARLY IN THE MORNING...BECOMING
                    NORTHWEST 10 TO 15 MPH DURING LATE MORNING AND
                    AFTERNOON.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST 5 TO 10 MPH.
   RIDGETOP.........NORTH TO NORTHEAST 8 TO 15 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LOWERING TO GROUND LEVEL.
MIXING WINDS........NORTH TO NORTHEAST 5 TO 10 MPH.

.SATURDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST TO EAST 5 TO 10 MPH BECOMING NORTH
                    IN THE AFTERNOON.
   RIDGETOP.........NORTHEAST 8 TO 15 MPH BECOMING NORTH 6 TO
                    12 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 5500 TO 6500 FT AGL.
MIXING WINDS........NORTHEAST 5 TO 10 MPH.


FORECASTER...JHM
REQUESTED BY...TOM GARCIA
REASON FOR REQUEST...WFU
.TAG 20090813.FAIRF.01/STO

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