FNUS76 KSTO 192239
FWSSTO

SPOT FORECAST FOR BLACK WILDLAND FIRE...USFS-ENF
NATIONAL WEATHER SERVICE SACRAMENTO CA
339 PM PDT SUN SEP 19 2010

FORECAST IS BASED ON REQUEST TIME OF 1505 PDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

#247-10

.DISCUSSION...
A PACIFIC FRONTAL SYSTEM WILL MOVE THROUGH TONIGHT BRINGING A THREAT
OF LIGHT SHOWERS THEN DRIER AND A LITTLE WARMER MONDAY AS WEAK HIGH
PRESSURE BUILDS OVER THE AREA.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH A CHANCE OF EVENING SHOWERS
                    BECOMING PARTLY CLOUDY.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........79-84 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTH WIND 3 TO 6 MPH SHIFTING TO THE
                    NORTHEAST 1 TO 4 MPH AFTER 9 PM.
   RIDGETOP.........SOUTHWEST WIND 10 TO 15 MPH IN THE EVENING THEN
                    SOUTH 5 TO 10 MPH.
CWR.................50 PERCENT EARLY EVENING DECREASING TO 10
                    PERCENT LATE EVENING.
MIXING HEIGHT.......DECREASING TO NEAR GROUND LEVEL AFTER DARK.
MIXING WINDS........SOUTHWEST 9 MPH IN THE EVENING THEN SOUTH
                    6 MPH.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....74-79.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST WINDS 1 TO 4 MPH SHIFTING TO THE SOUTHWEST
                    2 TO 5 MPH IN THE AFTERNOON.
   RIDGETOP.........EAST 7 MPH BECOMING WEST TO 10 MPH IN THE
                    AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......INCREASING TO 4700-5500 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........EAST 5 MPH BECOMING WEST 7 MPH IN THE
                    AFTERNOON.

.MONDAY NIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST 2 TO 5 MPH EARLY EVENING THEN EAST 1 TO 4 MPH.
   RIDGETOP.........WEST WIND 10 TO 15 MPH EARLY EVENING THEN EAST
                    5 TO 10 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......DECREASING TO NEAR GROUND LEVEL AFTER DARK.
MIXING WINDS........WEST WIND 9 MPH EARLY EVENING THEN EAST 6 MPH.



FORECASTER...PCH
REQUESTED BY...JASON WITHROW
REASON FOR REQUEST...WILDFIRE
.TAG 20100919.BLACK.01/STO

$$