FNUS75 KGJT 210214
FWSGJT

SPOT FORECAST FOR DEMON...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
814 PM MDT TUE AUG 20 2013

FORECAST IS BASED ON REQUEST TIME OF 1936 MDT ON AUGUST 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN AREA OF SHOWERS AND THUNDERSTORMS HAVE DEVELOPED
THIS EVENING ALONG THE COLORADO NEW MEXICO BORDER SOUTH OF
DURANGO TO CHROMO. THESE STORMS WILL DIMINISH BY AROUND MIDNIGHT
WITH ISOLATED SHOWERS POSSIBLE LATE TONIGHT. THEREFORE A PASSING
STORM OR RAIN SHOWER MAY MOVE OVER THE BURN SITE. GUSTY WINDS CAN
BE EXPECTED NEAR STORMS. AFTERNOON CONVECTION WILL AGAIN DEVELOP
ON WEDNESDAY. WHILE IT WILL FAVOR THE HIGHER MOUNTAINS TO
THE NORTH...A FEW SHOWERS MAY DIRECTLY IMPACT THE BURN SITE.
STORM MOTION ON WEDNESDAY WILL BE SLOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AND
                    THUNDERSTORMS UNTIL MIDNIGHT...THEN AN ISOLATED
                    SHOWER POSSIBLE LATE TONIGHT.
MIN TEMPERATURE.....52-57 F.
MAX HUMIDITY........70-75%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH...DECREASING TO
                    3-6 MPH AFTER 2200. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....POOR...BETTER MIXING NEAR STORMS.
HAINES INDEX........3 VERY LOW.
LAL.................4 UNTIL MIDNIGHT...THEN 1.
MIXING HEIGHT.......3000 FT AGL AT 2000...THEN DECREASING TO LESS
                    THAN 1000 FT AGL BY 2200.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 10 MPH...DECREASING TO
                    6 MPH BY 2200. TRANSPORT WINDS MAY AT TIMES BE
                    DOMINATED BY THUNDERSTORMS OUTFLOWS THIS
                    EVENING.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
                    THUNDERSTORMS DEVELOPING IN THE AFTERNOON...
                    INCREASING DURING THE LATE AFTERNOON.
MAX TEMPERATURE.....80-85 F.
MIN HUMIDITY........23-28%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 0-5 MPH UNTIL 1000...THEN
                    BECOMING UPSLOPE/UPVALLEY 4-8 MPH. THUNDERSTORM
                    OUTFLOWS MAY DOMINATE SURFACE AND 20-FOOT WINDS
                    AT TIME IN THE AFTERNOON WITH GUSTS TO 30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100..THEN FAIR.
HAINES INDEX........4 LOW.
LAL.................1 UNTIL 1300...THEN 2.
MIXING HEIGHT.......INCREASING TO 10200 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...SEAN HENNING
TYPE OF REQUEST...WILDFIRE
.TAG 20130820.DEMON.01/GJT