FNUS76 KSTO 202141
FWSSTO

SPOT FORECAST FOR BAGLEY FIRE...SHASTA/TRINITY NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
241 PM PDT THU SEP 20 2012

FORECAST IS BASED ON REQUEST TIME OF 1252 PDT ON SEPTEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
THE UPPER TROUGH OFF THE OREGON COAST IS DRIFTING SOUTHEASTWARD
FRIDAY AND INTO THE WEEKEND. THIS MAY INCREASE SOUTHWEST WINDS
SLIGHTLY. RIDGES WILL STILL HAVE POOR RH RECOVERY VALUES WHILE THE
VALLEYS WILL CONTINUE TO HAVE GOOD RECOVERY. A THREAT OF
CONVECTION TO THE EAST OF THE FIRE SATURDAY AFTERNOON WITH A
SLIGHT CHANCE OF THUNDERSTORMS OVER THE FIRE ON SUNDAY AS THE
UPPER LEVEL SYSTEM IMPACTS THE AREA.

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80-90.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST WINDS UP TO 3 MPH SHIFTING TO THE
 x09x09    SOUTHWEST 4 TO 6 MPH LATE IN THE MORNING WITH
x09x09    GUSTS TO 10 MPH IN THE AFTERNOON.
   RIDGETOP.........NORTHEAST WINDS 2 TO 4 MPH SHIFTING TO THE
 x09x09    SOUTHWEST 5 TO 7 MPH LATE IN THE MORNING. THEN
x09x09    SOUTHWEST 8 TO 12 MPH WITH GUSTS 16 TO 20 MPH
x09x09    IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......200 FT AGL INCREASING TO 5400-6300 FT AGL.
MIXING WINDS........NORTHWEST 5 MPH SHIFTING SOUTHWEST 8 MPH IN THE
x09x09    AFTERNOON.

.FRIDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....43-48 VALLEYS.
x09x09    55-60 RIDGES.
MAX HUMIDITY........70-80 PERCENT VALLEYS.
x09x09    25-35 PERCENT RIDGES.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
x09x09    SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
   RIDGETOP.........SOUTHWEST 7 MPH BECOMING NORTH 3 TO 5 MPH LATE
x09x09    IN THE EVENING.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......5500 FT AGL DECREASING TO LESS THAN 500 FT AGL.
MIXING WINDS........SOUTHWEST 7 MPH SHIFTING NORTH 5 MPH LATE IN
x09x09    THE EVENING.

FORECASTER...JCLAPP
REQUESTED BY...ROBB BEERY
REASON FOR REQUEST...WILDFIRE
.TAG 20120920.BAGLE.01/STO

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