FNUS76 KSTO 291115
FWSSTO

SPOT FORECAST FOR RIO VISTA UNIT 2 UPLAND RX...U.S. FISH & WILDLIFE SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
415 AM PDT MON JUN 29 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON JUNE 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
STRONG HIGH PRESSURE WILL GRADUALLY WEAKEN THE NEXT FEW DAYS
ALLOWING TEMPERATURES TO SLOWLY COOL BACK TO NEAR NORMAL AFTER
MID-WEEK. STRONGER UPVALLEY FLOW ASSOCIATED WITH INCREASING ONSHORE
GRADIENTS MAY MAKE IT UP THE SACRAMENTO VALLEY TO THE BURN SITE
TUESDAY EVENING.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 105.
MIN HUMIDITY........AROUND 20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....VARIABLE 2-4 MPH BECOMING SOUTHEAST 4-8 MPH
                    AFTER 1400 PDT.
MIXING HEIGHT.......INCREASING TO 10000 FT AGL.
MIXING WINDS........SOUTH 5-10 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....60-65.
MAX HUMIDITY........ABOVE 90 PERCENT NEAR THE RIVER. AROUND 50
                    PERCENT ELSEWHERE.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTH WINDS 2-5 MPH.
MIXING HEIGHT.......DECREASING TO BELOW 1000 FT AGL.
MIXING WINDS........NORTH AROUND 5 MPH.

.TUESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 103.
MIN HUMIDITY........AROUND 25 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST WINDS 3-6 MPH.
MIXING HEIGHT.......INCREASING TO 10000-15000 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........SOUTH 5-10 MPH.

FORECASTER...DFR
REQUESTED BY...KIPP MORRILL
REASON FOR REQUEST...PRESCRIBED
.TAG 20090629.RIOVI.01/STO

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