FNUS76 KSTO 301201
FWSSTO

SPOT FORECAST FOR RIO VISTA GRASS RX...U.S FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
501 AM PDT TUE OCT 30 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON OCTOBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WARM AND DRY CONDITIONS WITH LIGHT WINDS CONTINUE AT BURNSITE TODAY.
COOLING TREND ON WEDNESDAY AND THURSDAY AS A COLD FRONT APPROACHES
THE WEST COAST. THE FRONT WILL MOVE INTO THE COASTAL RANGE BY WEDNESDAY
AFTERNOON THEN SPREAD SHOWERS EAST AND SOUTHWARD INTO THE CENTRAL
VALLEY WEDNESDAY NIGHT THROUGH THURSDAY. BY FRIDAY...DRY CONDITIONS
RESUME AS TEMPERATURES WARM TO SLIGHTLY ABOVE NORMAL INTO THE WEEKEND.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING THEN CLEARING.
MAX TEMPERATURE.....77-82.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTH WINDS UP TO 6 MPH SHIFTING TO THE
                    SOUTHEAST UP TO 7 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......200-300 FT AGL INCREASING TO 3500-4500 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........EAST 8 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....52-57.
MAX HUMIDITY........81-86 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST WINDS UP TO 7 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......4100 FT AGL DECREASING TO 400-800 FT AGL EARLY
                    IN THE EVENING.
MIXING WINDS........SOUTHEAST 9 MPH.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING THEN BECOMING
                    MOSTLY CLOUDY.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........46-51 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT WINDS BECOMING SOUTHEAST 6 TO 11 MPH IN
                    THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................1.
MIXING HEIGHT.......500-600 FT AGL INCREASING TO 3000-4500 FT AGL
                    LATE IN THE MORNING.
MIXING WINDS........SOUTH 11 MPH.


FORECASTER...JBB
REQUESTED BY...KIPP MORRILL
REASON FOR REQUEST...PRESCRIBED
.TAG 20121030.RIOVI.01/STO

$$