FNUS75 KVEF 042251
FWSVEF

SPOT FORECAST FOR WHITNEY PORTAL PILES...US FOREST SERVICE
NATIONAL WEATHER SERVICE LAS VEGAS NV
351 PM PDT MON APR 4 2011

FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON APRIL 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN AREA OF HIGH PRESSURE ALOFT WILL BREAK DOWN AND
MOVE EAST TUESDAY MORNING ALLOWING WESTERLY FLOW TO INCREASE OVER
THE SIERRA CREST TUESDAY AFTERNOON AND EVENING. WARM STABLE AIR WILL
PRODUCE AN INVERSION THAT WILL LIMIT MIXING AND VENTILATION MUCH OF
THE DAY. A WEAK DISTURBANCE WILL MOVE ACROSS THE CENTRAL SIERRA TUESDAY
NIGHT BRINGING INCREASING WESTERLY FLOW AND MID LEVEL MOISTURE
WITH A SLIGHT CHANCE OF BRIEF LIGHT SNOW OR FLURRIES INTO WEDNESDAY
MORNING.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....63-65.
MIN HUMIDITY........18-23 PERCENT.
  20 FT-10 MIN AVG..SOUTHWEST 2 TO 6 MPH IN THE MORNING BECOMING
                    EAST 4 TO 9 MPH IN THE AFTERNOON.
  10K FT WIND.......WEST 6 TO 11 MPH.
CWR (>= 0.10 IN)....0 PERCENT.
LAL.................1.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 9 KNOTS.
VENTILATION.........MARGINAL.

$$
FORECASTER...ADAIR
REQUESTED BY...MT WHITNEY RD
TYPE OF REQUEST...PRESCRIBED
.TAG 20110405.WHITN.01/VEF