FNUS75 KGJT 050451
FWSGJT

SPOT FORECAST FOR OHIO CITY   PITKIN...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1051 PM MDT WED MAY 4 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.


.DISCUSSION...WEAK HIGH PRESSURE BUILDS IN FOR THURSDAY. SURFACE-
BASED INVERSIONS WILL BEGIN TO LIFT AROUND 1000 THURSDAY WITH
MIXING HEIGHTS RISING TO AROUND 16,000 FEET MSL IN THE AFTERNOON.
GRADIENT WINDS INCREASE ON FRIDAY AS A WARMING TREND CONTINUES.


.THURSDAY (UNTIL SUNSET)...

SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....60-65 F.
MIN HUMIDITY........15-19%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-5 MPH UNTIL 1100...THEN
                    BECOMING WEST...AND INCREASING TO 5-10 MPH IN
                    THE AFTERNOON WITH A FEW GUSTS TO 20 MPH. AT
                    TIMES UPSLOPE/UPVALLEY WINDS MAY DOMINATE.
SMOKE DISPERSAL.....POOR UNTIL 1030...THEN IMPROVING TO VERY GOOD
                    IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 6800 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 15 MPH.

.THURSDAY NIGHT (AFTER SUNSET)...

SKY/WEATHER.........CLEAR (0-10%).
SMOKE DISPERSAL.....POOR (5000 KNOT-FT).
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....DONWSLOPE/DOWNVALLEY 6 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY (30-40%).
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH UNTIL 0930...THEN
                    BECOMING WEST 5-10 MPH. INCREASING 15-20 MPH
                    WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR UNTIL 1000...THEN IMPROVING TO EXCELLENT
                    IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL... INCREASING TO 9000 FT AGL.
TRANSPORT WINDS.....WEST 22 MPH INCREASING TO 35 MPH IN THE
                    AFTERNOON.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...JEREMY COWIE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110505.OHIOC.01/GJT