FNUS76 KSTO 150949
FWSSTO

SPOT FORECAST FOR YUBA...NEVADA/YUBA/PLACER UNIT
NATIONAL WEATHER SERVICE SACRAMENTO CA
248 AM PDT SAT AUG 15 2009

FORECAST IS BASED ON REQUEST TIME OF 0041 PDT ON AUGUST 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
UPPER LEVEL TROUGH HAS MOVED EAST WITH SURFACE WINDS TRANSITIONING
TO NORTHEASTERLY EARLY THIS MORNING IN ITS WAKE. LIGHT TO MODERATE
NORTH WIND PATTERN WILL PERSIST THROUGH THE EARLY PART OF NEXT WEEK
WITH SURFACE WINDS GENERALLY NORTHEASTERLY DURING THE NIGHT AND
MORNING HOURS TRANSITIONING TO NORTHWEST BY LATE MORNING AND
CONTINUING DURING THE AFTERNOONS. WARMER AND DRIER CONDITIONS
EXPECTED THE NEXT FEW DAYS AS HIGH PRESSURE STRENGTHENS.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....88-92.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST 2-4 MPH TRANSITIONING TO NORTHWEST 4-7
                    MPH BETWEEN 1000 AND NOON. GUSTS 8-10 MPH IN THE
                    AFTERNOON.
   RIDGETOP.........NORTHEAST 3-6 MPH GUSTS 8-12 MPH THROUGH ABOUT
                    1000. WINDS BECOMING NORTHWEST 5-8 MPH GUSTS
                    12-15 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......INCREASING TO AROUND 7000 FT AGL IN THE
                    AFTERNOON. INVERSION BREAKING AROUND NOON TO
                    1300 PDT.
MIXING WINDS........NORTHWEST 10-15 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....60-65.
MAX HUMIDITY........60-65 PERCENT DRAINAGES AND LOWER SLOPES. 40-50
                    PERCENT UPPER SLOPES AND RIDGETOPS.
WIND (20 FT)........
   SLOPE/VALLEY.....BECOMING NORTHEAST 2-4 MPH BY LATE EVENING.
   RIDGETOP.........BECOMING NORTHEAST 3-6 MPH BY LATE EVENING.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......DECREASING TO LESS THAN 1000 FT AGL IN THE
                    EVENING.
MIXING WINDS........EAST 5-10 MPH.

.SUNDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....90-95.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST 1-3 MPH IN THE MORNING BECOMING
                    NORTHWEST 3-6 MPH IN THE AFTERNOON.
   RIDGETOP.........NORTHEAST 3-6 MPH IN THE MORNING BECOMING
                    NORTHWEST 4-8 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 10000 FT AGL IN THE AFTERNOON.
                    INVERSION BREAKING AROUND NOON TO 1300 PDT.
MIXING WINDS........WEST AROUND 5 MPH.

FORECASTER...DFR
REQUESTED BY...LYNNE
REASON FOR REQUEST...WILDFIRE
.TAG 20090815.YUBA_.01/STO

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