FNUS76 KSTO 200020
FWSSTO

SPOT FORECAST FOR RIO VISTA FIRE BREAK RX...U.S FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
520 PM PDT SAT JUN 19 2010

#104-10

FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON JUNE 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
UPPER LEVEL LOW OVER THE OREGON/CALIFORNIA BORDER WILL BE MOVING
EAST TODAY...AND A WEAK TROUGH WILL LINGER OVER THE AREA ON MONDAY.
THIS WILL RESULT IN NORTHERLY WINDS AND A WARMING AND DRYING TREND.

.TODAY (SUNDAY)...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....NORTH WINDS 5 TO 11 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......RISING TO 7000 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....53-58.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....NORTH WINDS 4 TO 8 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......LOWERING TO GROUND LEVEL.
MIXING WINDS........NORTHWEST AT 10 MPH.

.MONDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....90-92.
MIN HUMIDITY........11-16 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....NORTH WINDS 10 TO 16 MPH WITH GUSTS TO 22 MPH
                    IN THE MORNING...DECREASING TO 5 TO 10 MPH IN
                    THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......RISING TO 7000 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 15 MPH DECREASING TO 5 TO
                    10 MPH IN THE AFTERNOON.


FORECASTER...JHM
REQUESTED BY...TONY ARENDT
REASON FOR REQUEST...PRESCRIBED
.TAG 20100620.RIOVI.01/STO

$$