FNUS75 KGJT 301152 FWSGJT SPOT FORECAST FOR STORMVEX - AM...NWS NATIONAL WEATHER SERVICE GRAND JUNCTION CO 452 AM MST SUN JAN 30 2011 FORECAST IS BASED ON IGNITION TIME OF 0430 MST ON JANUARY 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A PACIFIC LOW PRESSURE SYSTEM WILL MAKE LANDFALL THIS MORNING THEN DIG TO SOUTH OF THE FOUR CORNERS BY MONDAY MORNING. HIGH CLOUDS WILL THICKEN TODAY THEN LOWER TONIGHT. AN ASSOCIATED COLD FRONT WILL SWEEP OVER THE MOUNTAIN ON MONDAY MORNING BRINGING LOW CLOUDS AND SNOWFALL. MUCH COLDER AIR WILL ARRIVE MONDAY NIGHT INTO TUESDAY PRODUCING GUSTY NORTHEAST WINDS. .TODAY... SKY/WEATHER.........PARTLY CLOUDY (40-50%) THEN BECOMING MOSTLY CLOUDY (70-80%). CLOUD BASES.........LOWERING TO 15,000 FEET AGL THIS AFTERNOON. MAX TEMPERATURE.....23-28 F. MIN HUMIDITY........55-60%. 20-FOOT WINDS.......SOUTHEAST WINDS 5 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 16 MPH. .TONIGHT... SKY/WEATHER.........CLOUDY (90-100%). SCATTERED SHOWERS AFTER 3 AM. CLOUD BASES.........LOWERING TO MOUNTAIN TOP LEVEL AFTER 3 AM... THEN TO NEAR THE STUDY SITE BY SUNRISE. CLOUD TOPS..........GREATER THAN 20,000 FT MSL. MIN TEMPERATURE.....15-20 F. MAX HUMIDITY........67-72%. 20-FOOT WINDS.......SOUTHWEST WINDS 5 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT. TRANSPORT WINDS.....WEST 17 MPH. .MONDAY... SKY/WEATHER.........CLOUDY (90-100%). NUMEROUS SHOWERS IN THE MORNING...THEN SHOWERS IN THE AFTERNOON. CLOUD BASES.........AT OR BELOW THE STUDY SITE IN THE MORNING... RISING TO 1000-2000 FT AGL IN THE AFTERNOON. CLOUD TOPS..........GREATER THAN 20,000 FT MSL IN THE MORNING... LOWERING TO 15,000 FT MSL AFTER 4 PM. MAX TEMPERATURE.....18-23 F. MIN HUMIDITY........64-69%. 20-FOOT WINDS.......SOUTH WINDS 5 MPH INCREASING TO WEST 13 MPH IN THE AFTERNOON. TRANSPORT WINDS.....WEST 15 MPH. $$ FORECASTER...JOE RAMEY REQUESTED BY...DUTY FORECASTER TYPE OF REQUEST...PRESCRIBED .TAG 20110130.STORM.01/GJT