Suppression Forecast
Issued by NWS Sacramento, CA

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000
FNUS76 KSTO 180016
FWSSTO

SPOT FORECAST FOR SHASTA COLLEGE TRAINING - FC3...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
516 PM PDT FRI APR 17 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
VERY WARM AND DRY CONDITIONS THIS WEEKEND AS HIGH PRESSURE
DOMINATES THE WEATHER PATTERN. A LOW PRESSURE TROUGH WILL
WEAKEN AS IT MOVES FROM OREGON INTO NORTHERN CALIFORNIA...BUT
MAY CAUSE JUST ENOUGH INSTABILITY SATURDAY AND SUNDAY AFTERNOONS
FOR A SLIGHT CHANCE OF THUNDERSTORMS OVER THE MOUNTAINS...BUT NOT
AT THE FIRE TRAINING SITE.

SCATTERED CUMULUS CLOUDS ARE EXPECTED TO DEVELOP DURING THE LATE
MORNING OR AFTERNOON NEAR THE FIRE TRAINING SITE. IF FIRE TRAINING
ACTIVITIES CONTINUE PAST 4 PM TO 6 PM...BE ALERT FOR POSSIBLE
OUTFLOW BOUNDARIES FROM THUNDERSTORMS AFFECTING WIND CONDITIONS AT
THE FIRE TRAINING SITE.



.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY...ALTHOUGH SCATTERED CUMULUS
                    DEVELOPING LATE MORNING AND AFTERNOON.
MAX TEMPERATURE.....88-92.
MIN HUMIDITY........9-14 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTH WINDS 5 TO 11 MPH.
   RIDGETOP.........NORTH 10 TO 20 MPH UNTIL 1100...THEN NORTH WINDS
                    UP TO 10 MPH DURING THE AFTERNOON.


.OUTLOOK FOR SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY. POSSIBLE SCATTERED CUMULUS
                    DEVELOPING AGAIN LATE MORNING AND AFTERNOON.
MAX TEMPERATURE.....88-93.
MIN HUMIDITY........8-12 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTH WINDS 5 TO 10 MPH.
   RIDGETOP.........NORTH 8 TO 18 MPH UNTIL 1100...THEN NORTH WINDS
                    UP TO 10 MPH DURING THE AFTERNOON.



FORECASTER...JHM
REQUESTED BY...COMMOP AARON WILLIAMS
REASON FOR REQUEST...PRESCRIBED
.TAG 20150418.SHAST.01/STO

$$




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