FNUS75 KGJT 262154 FWSGJT SPOT FORECAST FOR STORMVEX - PM...NWS NATIONAL WEATHER SERVICE GRAND JUNCTION CO 254 PM MST SAT FEB 26 2011 FORECAST IS BASED ON IGNITION TIME OF 1430 MST ON FEBRUARY 26. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A CLOSED LOW PRESSURE SYSTEM WILL TRACK ACROSS THE DESERT SOUTHWEST TONIGHT AND INTO NORTHWEST NEW MEXICO ON SUNDAY. SCATTERED SNOW SHOWERS WILL BE POSSIBLE THROUGH TONIGHT...THEN BECOME MORE NUMEROUS ON SUNDAY AS COLDER AIR ALOFT MOVES OVER NORTHWEST COLORADO FOR INCREASED INSTABILITY. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS. CLOUD BOTTOMS.......3000 TO 4000 FEET AGL. LOWERING TO THE RESEARCH SITE OR BELOW IN SHOWERS. CLOUD TOPS..........20000 FEET MSL. MIN TEMPERATURE.....12-17 F. MAX HUMIDITY........93-98%. 20-FOOT WINDS.......SOUTHWEST WINDS 13 MPH WITH GUSTS TO 25 MPH... SHIFTING TO THE SOUTH 5 MPH AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTHWEST 23 MPH. .SUNDAY... SKY/WEATHER.........CLOUDY (80-90%). NUMEROUS SHOWERS. CLOUD BOTTOMS.......3000 TO 4000 FEET AGL IN THE MORNING... LOWERING TO THE RESEARCH SITE OR BELOW IN THE AFTERNOON. CLOUD TOPS..........20000-25000 MSL. MAX TEMPERATURE.....24-29 F. MIN HUMIDITY........57-62%. 20-FOOT WINDS.......SOUTH WINDS 5-10 MPH SHIFTING TO THE WEST IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 16 MPH....BECOMING WEST IN THE AFTERNOON. $$ FORECASTER...ELLEN HEFFERNAN REQUESTED BY...DUTY FORECASTER TYPE OF REQUEST...PRESCRIBED .TAG 20110226.STORM.02/GJT