FNUS76 KSTO 181334
FWSSTO

SPOT FORECAST FOR RIO VISTA UPLAND T-4
NATIONAL WEATHER SERVICE SACRAMENTO CA
634 AM PDT THU AUG 18 2011

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.

SPOT FORECAST FOR RIO VISTA UPLAND T-4...U.S FISH AND WILDLIFE
SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
630 AM PDT THU AUG 18 2011

FORECAST IS BASED ON IGNITION TIME OF 1130 PDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...VERY LITTLE CHANGE EXPECTED TODAY FROM WEDNESDAY AS
NORCAL REMAINS UNDER STABLE UPPER LEVEL SOUTHWEST FLOW. DAYTIME HIGHS
WILL COME IN NEAR NORMAL FOR THIS TIME OF YEAR WITH MINIMUM DAYTIME
HUMIDITY LIKELY TO DROP INTO THE TEENS. LIGHT NORTHERLY WINDS WILL
TRANSITION TO SOUTHERLY BY LATE MORNING. SLIGHTLY COOLER TEMPERATURES
ARE EXPECTED FRIDAY AS THE DELTA BREEZE BECOMES MORE ESTABLISHED.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....96-100.
MIN HUMIDITY........14-17 PERCENT.
WIND (20 FT)........LIGHT NORTHWEST WINDS TO 4 MPH BECOMING SOUTH TO
                    SOUTHEAST AFTER ABOUT 1100 3 TO 6 MPH. SOUTH
GUSTS
                    TO 12 MPH IN THE AFTERNOON.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 8000-9000 FT IN THE AFTERNOON.
MIXING WINDS........SOUTH 4 TO 8 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....62-66.
MAX HUMIDITY........73-78 PERCENT.
WIND (20 FT)........SOUTH WINDS 3 TO 6 MPH BECOMING NORTHWEST TO 4
                    MPH AFTER ABOUT 2200.
LAL.................1.
MIXING HEIGHT.......DECREASING TO BELOW 500 FEET BY EARLY EVENING.
MIXING WINDS........SOUTHEAST TO 5 MPH.

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....94-98.
MIN HUMIDITY........15-19 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....BECOMING SOUTH BY MID MORNING 4 TO 7 MPH WITH
                    OCCASIONAL GUSTS TO 14 MPH IN THE AFTERNOON.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 5000 TO 6000 FEET IN THE
                    AFTERNOON.
MIXING WINDS........SOUTHERLY 5 TO 11 MPH.


FORECASTER...SMITH
REQUESTED BY...MARK RAKESTRAW
REASON FOR REQUEST...PRESCRIBED

$$

REQUESTED BY...MARK RAKESTRAW
REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, U