FNUS75 KGJT 152136 FWSGJT SPOT FORECAST FOR STORMVEX - PM...NWS NATIONAL WEATHER SERVICE GRAND JUNCTION CO 336 PM MDT FRI APR 15 2011 FORECAST IS BASED ON IGNITION TIME OF 1430 MDT ON APRIL 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... PACIFIC MOISTURE WILL BE INCREASING ACROSS THE NORTHERN COLORADO MOUNTAINS AS THE UPPER FLOW BECOMES MORE WESTERLY ENHANCING THE OROGRAPHIC FLOW. MOSTLY CLEAR SKIES THIS EVENING WILL LEAD TO THICKENING CLOUD COVER THROUGH THE EARLY MORNING HOURS WITH SNOW SHOWERS DEVELOPING BY SUNRISE. LIFT AND MOISTURE WILL CONTINUE TO INCREASE ON SATURDAY WITH CLOUDS BASES EXPECTED TO LOWER NEAR THE EXPERIMENTAL SITE WITH RAIN OR SNOW SHOWERS BECOMING MORE WIDESPREAD. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. SCATTERED SHOWERS AFTER MIDNIGHT. CLOUD BASES.........UNLIMITED THIS EVENING...LOWERING TO NEAR 5000 FT AGL BY MIDNIGHT...THEN 3000 FT AGL BY SUNRISE MIN TEMPERATURE.....21-26 F. MAX HUMIDITY........72-77%. 20-FOOT WINDS.......WEST WINDS 14 MPH BECOMING SOUTHWEST 5 MPH AFTER MIDNIGHT. TRANSPORT WINDS.....WEST 21 MPH. .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED SHOWERS. CLOUD BASES.........2000-3000 FEET AGL EARLY...DROPPING TO LESS THAN 500 FEET AGL AT TIMES IN THE AFTERNOON. MAX TEMPERATURE.....33-38 F. MIN HUMIDITY........54-59%. 20-FOOT WINDS.......SOUTHWEST WINDS 5 MPH INCREASING TO WEST 17 MPH IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....WEST 28 MPH. $$ FORECASTER...DENNIS PHILLIPS REQUESTED BY...DUTY FORECASTER TYPE OF REQUEST...PRESCRIBED .TAG 20110415.STORM.02/GJT