FNUS75 KVEF 011637
FWSVEF

SPOT FORECAST FOR PORTAL PILES...US FOREST SERVICE
NATIONAL WEATHER SERVICE LAS VEGAS NV
837 AM PST WED FEB 1 2012

FORECAST IS BASED ON IGNITION TIME OF 0825 PST ON FEBRUARY 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A LOW PRESSURE SYSTEM DROPPING DOWN THE SOUTHERN
SIERRA TODAY WILL MOVE SLOWLY ACROSS THE ROCKY MOUNTAIN REGION THURSDAY
AND FRIDAY. MOISTURE WILL BE LIMITED WITH THIS SYSTEM AND THE MAIN
IMPACT WILL BE GUSTY WEST WINDS TODAY BECOMING NORTH LATE THIS
AFTERNOON THROUGH THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....39-44.
MIN HUMIDITY........34-39 PERCENT.
  20 FT-10 MIN AVG..WEST TO WINDS 5 TO 12 MPH INCREASING TO 12 TO 18 MPH
                    WITH GUSTS TO AROUND 35 MPH AFTER 10 AM THEN
                    BECOMING NORTHWEST IN THE AFTERNOON.
  10K FT WIND.......WEST 11 TO 16 MPH INCREASING TO 21 TO 26 MPH IN
                    THE AFTERNOON.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....WEST 11 TO 20 KNOTS.
VENTILATION.........EXCELLENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....18-23.
MAX HUMIDITY........79-84 PERCENT.
  20 FT-10 MIN AVG..NORTHWEST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH.
  10K FT WIND.......NORTHWEST 22 TO 27 MPH INCREASING TO 31 TO 36
                    MPH AFTER MIDNIGHT.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 9 KNOTS.
VENTILATION.........FAIR.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....38-43.
MIN HUMIDITY........22-27 PERCENT.
  20 FT-10 MIN AVG..NORTH WINDS 7 TO 12 MPH. GUSTS UP TO 25 MPH.
  10K FT WIND.......NORTH 35 TO 40 MPH BECOMING NORTHWEST 24 TO 29
                    MPH IN THE AFTERNOON.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 14 KNOTS.
VENTILATION.........FAIR.

$$
FORECASTER...ADAIR
REQUESTED BY...MT WHITNEY RD
TYPE OF REQUEST...PRESCRIBED
.TAG 20120201.PORTA.01/VEF