FNUS76 KSTO 201229
FWSSTO

SPOT FORECAST FOR IRISH...STANISLAUS NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
529 AM PDT WED MAY 20 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK TROUGH OF LOW PRESSURE OVER THE AREA WILL KEEP TEMPERATURES
NEAR YESTERDAYS HIGHS. WEAKER SURFACE GRADIENTS ACROSS THE REGION
TODAY HELP TO KEEP THE WINDS LIGHTER. WEAK RIDGING ON THURSDAY WILL
WARM TEMPERATURES AT THE LOCATION BY SEVERAL DEGREES.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST 1 TO 2 MPH SHIFTING UPSLOPE 2 TO 3 MPH
                    BY LATE MORNING.
   RIDGETOP.........SOUTH AROUND 6 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......300-1300 FT AGL INCREASING TO 3500-4500 FT AGL
                    IN THE MORNING.
MIXING WINDS........SOUTH AROUND 6 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........63 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....UPSLOPE 2 TO 3 MPH BECOMING SOUTHEAST AT 1 TO 2 MPH.
   RIDGETOP.........NORTHEAST AROUND 4 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......4000 FT AGL DECREASING TO 200-1200 FT AGL EARLY
                    IN THE EVENING.
MIXING WINDS........NORTHEAST AROUND 4 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST 1 TO 2 MPH SHIFTING UPSLOPE 2 TO 4 MPH
                    BY LATE MORNING.
   RIDGETOP.........SOUTH AROUND 6 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......200-1200 FT AGL INCREASING TO 4500-5500 FT AGL
                    LATE IN THE MORNING.
MIXING WINDS........SOUTH AROUND 6 MPH.


FORECASTER...RB
REQUESTED BY...SCOTT CONES
REASON FOR REQUEST...PRESCRIBED
.TAG 20090520.IRISH.01/STO

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