FNUS75 KGJT 101353
FWSGJT

SPOT FORECAST FOR COCHETOPA AERIAL SPRAY...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
753 AM MDT MON OCT 10 2011

FORECAST IS BASED ON INCIDENT TIME OF 0719 MDT ON OCTOBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL PRODUCE STABLE CONDITIONS TODAY.
SURFACE WINDS WILL BE TERRAIN-DRIVEN TODAY AND TONIGHT. THE FAIRLY
SHALLOW MIXING FROM DAYTIME HEATING WILL COLLAPSE QUICKLY THIS
EVENING AS SHADOWS OVERTAKE SLOPES AND SUNSET OCCURS. A
DISTURBANCE PASSES ACROSS NORTHERN COLORADO ON TUESDAY WHICH WILL
INCREASE CLOUDS AND WIND ACROSS THE SPRAY AREA LATE TONIGHT AND
TOMORROW.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30% CLOUDS UNTIL 1000...THEN
                    10-20%).
MAX TEMPERATURE.....45-50 F.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 1-3 MPH UNTIL 1000...THEN
                    BECOMING UPSLOPE/UPVALLEY 3-5 MPH. OVER RIDGETOPS...
                    WEST 5-8 MPH AFTER 1200.
MIXING HEIGHT.......4000 FT AGL AT 1200 INCREASING TO 6000 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....DOWNVALLEY 1-3 MPH UNTIL 1000...THEN UPSLOPE 1-3 MPH
                    UNTIL 1200...THEN WEST 16 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20%) UNTIL 0300...THEN BECOMING
                    PARTLY CLOUDY (40-50%)
MIN TEMPERATURE.....22-27 F.
20-FOOT WINDS.......DOWNSLOPE/DOSWNVALLEY 2-4 MPH.
MIXING HEIGHT.......3000 FT AGL AT 1800 DECREASING TO 300-400 FT BY 2000.
TRANSPORT WINDS.....SOUTHWEST 5 MPH BECOMING DOWNSLOPE/DOWNVALLEY
                    2-4 MPH BY 2000.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%).
MAX TEMPERATURE.....47-52 F.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 1-3 MPH UNTIL 1000...THEN
                    BECOMING UPSLOPE/UPVALLEY 3-5 MPH UNTIL 1200...
                    OCCASIONALLY WEST 10-15 MPH IN THE AFTERNOON.
                    OVER RIDGETOPS...WEST 15 MPH GUSTING TO 25 MPH
                    IN THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL BY 1100 INCREASING TO 7000 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....DOWNVALLEY 2-4 MPH UNTIL 1000...THEN WEST 26 MPH
                    AFTER 1200.

$$
FORECASTER...JIM DANIELS
REQUESTED BY...DARREN LONG
TYPE OF REQUEST...HAZMAT
.TAG 20111010.COCHE.01/GJT