FNUS75 KGJT 212133
FWSGJT

SPOT FORECAST FOR STORMVEX - PM...NWS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
333 PM MDT MON MAR 21 2011

FORECAST IS BASED ON IGNITION TIME OF 1430 MDT ON MARCH 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WINTER WEATHER ADVISORY FROM 6 PM MDT THIS EVENING UNTIL
MIDNIGHT TUESDAY NIGHT...

.DISCUSSION...AS A STORM SYSTEM APPROACHES FROM THE WEST...STRONG
GUSTY SOUTH TO SOUTHWEST WINDS HAVE DEVELOPED ACROSS THE AREA.
THESE STRONG WINDS WILL CONTINUE THROUGH THE EVENING AHEAD OF A
COLD FRONT PUSHING IN FROM THE WEST. SNOW...POSSIBLY MIXED WITH
RAIN INITIALLY...WILL DEVELOP EARLY THIS EVENING...THEN CONTINUE
THROUGH TUESDAY EVENING. WINDS WILL DIMINISH BEHIND THE FRONT THAT
WILL PASS OVER THE STORMVEX SITE LATE THIS EVENING.


.TONIGHT...

SKY/WEATHER.........INCREASING CLOUDS...BECOMING CLOUDY (90-100%) BY
                    MID EVENING. SNOW AND AREAS OF BLOWING SNOW
                    DEVELOPING THIS EVENING.
CLOUD BASES.........LOWERING TO MOUNTAIN TOP LEVEL BY MID EVENING...
                    THEN TO THE VALLEY FLOORS OVERNIGHT.
CLOUD TOPS..........18000 FEET MSL.
MIN TEMPERATURE.....18-23 F.
MAX HUMIDITY........90-95%.
20-FOOT WINDS.......SOUTHWEST WINDS 20-30 MPH WITH GUSTS TO AROUND
                    40 MPH...WITH ISOLATED HIGHER GUSTS UNTIL LATE
                    THIS EVENING. SHIFTING TO THE WEST 10-15 MPH
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 40 MPH....DECREASING TO 25 MPH AFTER
                    MIDNIGHT.

.TUESDAY...

SKY/WEATHER.........CLOUDY (90-100%). SNOW.
CLOUD BASES.........AT OR BELOW THE STORMVEX SITE.
CLOUD TOPS..........18,000 FEET MSL.
MAX TEMPERATURE.....24-29 F.
MIN HUMIDITY........70-75%.
20-FOOT WINDS.......WEST WINDS 12-17 MPH WITH GUSTS 25 TO 35 MPH.
TRANSPORT WINDS.....WEST 35 MPH.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...DUTY FORECASTER
TYPE OF REQUEST...PRESCRIBED
.TAG 20110321.STORM.02/GJT