FNUS75 KGJT 200402
FWSGJT

SPOT FORECAST FOR HOY...USFWS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1002 PM MDT THU APR 19 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A TROUGH PASSED THROUGH THE AREA LAST NIGHT BRINGING
SCATTERED SHOWERS AND COOLER TEMPERATURES. TODAY HIGH PRESSURE WILL
BEGIN BUILDING OVER THE REGION. TEMPERATURES TODAY THROUGH SATURDAY
WILL WARM A FEW DEGREES EACH DAY. ONLY SMALL CUMULUS SHOULD FORM
OVER NEARBY MOUNTAINS. STEEP SURFACE INVERSIONS THIS MORNING WILL
BURN OFF ABOUT 10 AM. EXPECT THE SAME CONDITIONS SATURDAY MORNING.
CONDITIONS WILL BECOME SLIGHTLY UNSTABLE BY NOON WITH VERTICAL
MIXING IMPROVING. WIND ALOFT TODAY WILL BE MODERATE AND FROM THE
NORTHWEST. ON SUNDAY WINDS ALOFT WILL DECREASE AND BECOME MORE
WESTERLY.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (30-40%).
MAX TEMPERATURE.....65-70 F.
MIN HUMIDITY........23-27%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 10 AM, THEN
                    BECOMING NORTHWEST 8-12 MPH WITH OCCASIONAL
                    GUSTS TO 18 MPH.
SMOKE DISPERSAL.....POOR UNTIL 10 AM, THEN FAIR. IMPROVING TO VERY
                    GOOD BY 2 PM.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 8500 FT AGL ABOUT 1500.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 7 MPH UNTIL 10 AM, THEN
                    BECOMING NORTHWEST 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20%).
MIN TEMPERATURE.....33-38 F.
MAX HUMIDITY........78-83%.
20-FOOT WINDS.......WEST WINDS 12 MPH DECREASING TO DOWNSLOPE/
                    DOWNVALLEY 3-6 MPH AT SUNSET.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20%).
MAX TEMPERATURE.....70-75 F.
MIN HUMIDITY........16-21%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH UNTIL 10 AM, THEN
                    BECOMING UPSLOPE/UPVALLEY 4-7 MPH. AFTER 1200
                    OCCASIONAL GUSTS TO 12 MPH.
SMOKE DISPERSAL.....POOR UNTIL 10 AM, THEN FAIR. IMPROVING TO
                    VERY GOOD BY 2 PM.
MIXING HEIGHT.......500 FT AGL, INCREASING TO 11,500 FT AGL BY 1500.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 6 MPH UNTIL 10 AM, THEN
                    BECOMING WEST 12 MPH.

$$
FORECASTER...CHRIS CUOCO
REQUESTED BY...JOHN ASHCRAFT
TYPE OF REQUEST...PRESCRIBED
.TAG 20120420.HOY__.01/GJT