FNUS76 KSTO 220331
FWSSTO

SPOT FORECAST FOR FOREST FIRE...CAL FIRE LNU
NATIONAL WEATHER SERVICE SACRAMENTO CA
831 PM PDT SAT JUL 21 2012

FORECAST IS BASED ON REQUEST TIME OF 1954 PDT ON JULY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HOT AIR MASS OVER THE FIRE SITE THIS WEEKEND WITH WARM OVERNIGHT
TEMPERATURES AND TRIPLE DIGIT HEAT AGAIN SUNDAY AFTERNOON. A WEAK
LOW PRESSURE SYSTEM OFF THE CALIFORNIA COAST WILL MOVE OVER THE
FIRE SITE ON SUNDAY PROVIDING A LITTLE HIGHER MIXING HEIGHT AND A
LITTLE STRONGER SOUTHWEST WINDS OVER THE RIDGE TOPS THAN ON
SATURDAY. MODEST HUMIDITY RECOVERY IS EXPECTED OVERNIGHT WITH
MINIMUM RHS LOWERING INTO THE TEENS SUNDAY AFTERNOON.


.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....65-72.
MAX HUMIDITY........56-61 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS UP TO 3 MPH WITH GUSTS TO
                    10 MPH EARLY THIS EVENING...BECOMING NORTH
                    TO NORTHEAST OR DRAINAGE WINDS LESS THAN 3 MPH
                    LATER TONIGHT.
   RIDGETOP.........VARIABLE UP TO 5 MPH BECOMING SOUTHEAST UP TO
                    5 MPH BY MORNING.
CWR.................0 PERCENT.
MIXING HEIGHT.......LOWERING TO NEAR GROUND LEVEL.
MIXING WINDS........VARIABLE LESS THAN 3 MPH BECOMING SOUTHEAST UP
                    TO 5 MPH BY MORNING.

.SUNDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....102-105.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST UP TO 5 MPH IN THE MORNING...BECOMING
                    SOUTHWEST WINDS 4 TO 8 MPH IN THE AFTERNOON.
   RIDGETOP.........EAST TO SOUTHEAST UP TO 5 MPH IN THE MORNING...
                    BECOMING SOUTHWEST 8 TO 15 MPH WITH POSSIBLE
                    BRIEF GUSTS TO 20 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......RISING TO 9000 TO 9500 FT AGL IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST UP TO 5 MPH IN THE MORNING...BECOMING
                    SOUTHWEST 6 TO 10 MPH.


FORECASTER...JHM
REQUESTED BY...STEVE FORMAN
REASON FOR REQUEST...WILDFIRE
.TAG 20120721.FORES.01/STO

$$