FNUS76 KSTO 021346
FWSSTO

SPOT FORECAST FOR SMARTY JONES PILE BURN...USFS - ELDORADO NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
546 AM PST WED DEC 2 2009

FORECAST IS BASED ON IGNITION TIME OF 0830 PST ON DECEMBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LIGHT TERRAIN DRIVEN WINDS AFFECTING THE BURNSITE TODAY THROUGH
THURSDAY AS HIGH PRESSURE SITS OVER CALIFORNIA. RIDGETOP WINDS LIGHT
NORTH TO NORTHEASTERLY. RH VALUES WILL BE ON A GENTLE DRYING TREND
BETWEEN NOW AND THURSDAY. WEATHER PATTERN WILL TRANSITION OVER THE
WEEKEND BECOMING COOLER AND WETTER.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........35-45 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT TERRAIN-DRIVEN WINDS AROUND 2-5 MPH.
   RIDGETOP.........NORTHEAST AROUND 5-10 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......100-200 FT AGL INCREASING TO 1500-2500 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTHEAST AROUND 5 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 38.
MAX HUMIDITY........60-75 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT TERRAIN-DRIVEN WINDS AT 5 MPH OR LESS.
   RIDGETOP.........NORTHEAST AROUND 8 TO 13 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......100-1500 FT AGL.
MIXING WINDS........NORTHEAST AROUND 10 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........25-35 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT WINDS.
   RIDGETOP.........NORTHEAST AROUND 6 TO 11 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......INCREASING TO 3500-4000 FT AGL IN THE
                    AFTERNOON...THEN DECREASING TO 1000 FT
                    AGL LATE IN THE AFTERNOON.
MIXING WINDS........NORTHEAST AROUND 7 MPH.


FORECASTER...JBB
REQUESTED BY...BRIAN EBERT
REASON FOR REQUEST...PRESCRIBED
.TAG 20091202.SMART.01/STO

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