FNUS75 KGJT 202252 FWSGJT SPOT FORECAST FOR STORMVEX - PM...NWS NATIONAL WEATHER SERVICE GRAND JUNCTION CO 352 PM MST THU JAN 20 2011 FORECAST IS BASED ON IGNITION TIME OF 1429 MST ON JANUARY 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...CLOUDS INVADING FROM THE NORTHWEST WILL THICKEN AND LOWER OVERNIGHT. CLOUD BASES WILL LOWER TO THE STUDY SITE IN THE EARLY MORNING HOURS WITH LIGHT SNOWFALL STARTING AROUND SUNRISE. ONLY AN INCH OR TWO OF SNOWFALL IS EXPECTED BEFORE CLOUDS BEGIN TO LIFT FRIDAY AFTERNOON. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS AFTER MIDNIGHT...THEN NUMEROUS SHOWERS AFTER 0600. CLOUD BASES.........LOWERING FROM 20,000 FT AGL TO 3000 FT AGL AT MIDNIGHT TO THE STUDY SITE AFTER 3 AM. CLOUD TOPS..........AFTER MIDNIGHT LAYERED CLOUDS TO A TOP AT 18,000 FT MSL. MIN TEMPERATURE.....8-13 F. MAX HUMIDITY........81-86%. 20-FOOT WINDS.......SOUTHWEST WINDS 5 MPH. TRANSPORT WINDS.....WEST 29 MPH. .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80%). NUMEROUS SHOWERS IN THE MORNING...THEN SCATTERED SHOWERS IN THE AFTERNOON. CLOUD BASES.........LIFTING TO MOUNTAIN TOP AFTER 1500. CLOUD TOPS..........LOWERING FROM 18,000 FT MSL IN THE MORNING TO 15,000 FT MSL AT NOON. THEN DISSIPATING IN THE AFTERNOON. MAX TEMPERATURE.....18-23 F. MIN HUMIDITY........62-67%. 20-FOOT WINDS.......WEST WINDS 6-12 MPH WITH GUSTS TO AROUND 25 MPH. TRANSPORT WINDS.....WEST 24 MPH. $$ FORECASTER...JOE RAMEY REQUESTED BY...DUTY FORECASTER TYPE OF REQUEST...PRESCRIBED .TAG 20110120.STORM.02/GJT