FNUS76 KSTO 080003
FWSSTO

SPOT FORECAST FOR CHIPS...NORCAL TEAM 2
NATIONAL WEATHER SERVICE SACRAMENTO CA
503 PM PDT FRI SEP 7 2012

FORECAST IS BASED ON REQUEST TIME OF 1600 PDT ON SEPTEMBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LITTLE CHANGE TODAY (SATURDAY) AS HIGH PRESSURE REMAINS OVER THE
REGION. MONSOONAL MOISTURE AND INSTABILITY FOR THUNDERSTORMS
FORECAST TO WORK NORTHWARD TO ABOUT AS FAR NORTH AS THE LAKE TAHOE
AREA TODAY...BUT ANY STORMS SHOULD REMAIN SOUTH OR EAST OF THE
FIRE SITE.

LOW PRESSURE OFF THE COAST WILL MOVE INLAND ON SUNDAY INTO EARLY
MONDAY BRINGING A COOLING TREND AND STRONGER/GUSTY DRY SOUTHWEST
WINDS. LOW DAYTIME HUMIDITY AND POOR HUMIDITY RECOVERY IS EXPECTED
SUNDAY INTO MONDAY. LIGHTER WINDS EXPECTED MONDAY.


.TODAY (SATURDAY)...

SKY/WEATHER.........MOSTLY SUNNY. AFTERNOON CUMULUS NEAR THE CREST.
MAX TEMPERATURE.....95-99 AT LOWER ELEVATIONS...78-81 HIGHER
                    ELEVATIONS.
MIN HUMIDITY........12-18 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST WINDS LESS THAN 4 MPH IN THE MORNING
                    BECOMING UP VALLEY OR SOUTHWEST 2 TO 5 MPH IN
                    THE AFTERNOON WITH GUSTS TO 12 MPH.
   RIDGETOP.........NORTHEAST TO 5 TO 10 MPH IN THE MORNING BECOMING
                    SOUTHWEST 7 TO 15 MPH WITH GUSTS TO 20 MPH IN
                    THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 8000 TO 9000 FT AGL.
MIXING WINDS........SOUTHEAST TO SOUTH 5 TO 10 MPH IN THE MORNING
                    BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.


.TONIGHT (SATURDAY NIGHT)...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....50-55 DRAINAGE AND LOWER ELEVATIONS...54-59
                    HIGHER ELEVATIONS ABOVE INVERSION.
MAX HUMIDITY........39-44 PERCENT HIGHER ELEVATIONS...GOOD RECOVERY
                    LOWER ELEVATIONS FROM 75-80 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 3 TO 6 MPH.
   RIDGETOP.........SOUTHWEST 8 TO 15 MPH GUSTS UP TO 20 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LOWERING TO NEAR GROUND LEVEL.
MIXING WINDS........SOUTH 8 TO 12 MPH.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....89-94 LOWER ELEVATIONS...72-77 HIGHER ELEVATIONS.
MIN HUMIDITY........9-16 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 4 TO 7 MPH WITH GUSTS TO 17 MPH
                    IN THE AFTERNOON.
   RIDGETOP.........SOUTH 15 TO 20 MPH WITH GUSTS TO 25 TO 30 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 4500 TO 5000 FT AGL.
MIXING WINDS........SOUTH AT 15 MPH.


FORECASTER...JHM
REQUESTED BY...KEN LARSON  FBAN
REASON FOR REQUEST...WILDFIRE
.TAG 20120907.CHIPS.01/STO

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