Suppression Forecast
Issued by NWS Sacramento, CA

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000
FNUS76 KSTO 021722
FWSSTO

SPOT FORECAST FOR ROUND VALLEY UNIT 79...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
922 AM PST FRI DEC 2 2016

FORECAST IS BASED ON IGNITION TIME OF 0900 PST ON DECEMBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
MODERATELY STRONG SURFACE HIGH PRESSURE OVER THE GREAT BASIN
RESULTING IN BRISK NORTHEAST FLOW OVER THE BURN SITE TODAY AND
TONIGHT AND SEASONABLY DRY (LOW RH) CONDITIONS. PRESSURE GRADIENTS
WEAKEN ON SATURDAY ALONG WITH NORTHEAST FLOW. HOWEVER, AIR MASS IS
EXPECTED TO WARM ON SATURDAY WITH LITTLE CHANGE IN RH UNTIL IT
INCREASES SATURDAY NIGHT AND SUNDAY. HIGH CLOUDINESS WILL
OCCASIONALLY SPILL OVER THE UPPER LEVEL RIDGE BUILDING OVER THE
BURN SITE THROUGH THE WEEKEND.

.TODAY...

SKY/WEATHER.........SUNNY. SOME HIGH CLOUDINESS AT TIMES.
CWR.................0 PERCENT.
MAX TEMPERATURE.....37-42.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST TO EAST WINDS 7 TO 13 MPH.
 RIDGETOP...........NORTHEAST 15 TO 22 MPH.
MIXING HEIGHT.......1500-2000 FT AGL.
TRANSPORT WINDS.....NORTHEAST TO EAST 15 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....27-32.
MAX HUMIDITY........50-60 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 4 TO 8 MPH.
 RIDGETOP...........NORTHEAST 15 TO 20 MPH.
MIXING HEIGHT.......LOWERING TO 500 FT AGL.
TRANSPORT WINDS.....NORTHEAST UP TO 9 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....47-52.
MIN HUMIDITY........28-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 8 MPH.
 RIDGETOP...........NORTHEAST 8 TO 16 MPH.
MIXING HEIGHT.......RISING TO 1500-2000 FT AGL.
TRANSPORT WINDS.....NORTHEAST UP TO 8 MPH.

$$
FORECASTER...JM
REQUESTED BY...MARTIN SENTER
TYPE OF REQUEST...PRESCRIBED
.TAG 1603851.0/STO
.EMAIL MESENTER@FS.FED.US



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