FNUS75 KGJT 270352
FWSGJT

SPOT FORECAST FOR PIEDRA AERIAL...USFS, SAN JUAN NF
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
952 PM MDT MON APR 26 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.DISCUSSION...AXIS OF HIGH PRESSURE OVERHEAD TODAY WITH MOSTLY
SUNNY SKIES EXPECTED THOUGH SOUTHWEST WINDS WILL PICK UP SOMEWHAT
IN THE AFTERNOON ALLOWING VERY GOOD SMOKE DISPERSAL. AS THE RIDGE
DRIFTS EAST TUESDAY NIGHT A STRONG COLD FRONT WILL APPROACH FROM
THE WEST. THE PRESSURE GRADIENT WILL TIGHTEN CONSIDERABLY AHEAD OF
THE FRONT AND SLOWLY INCREASE OVERNIGHT. WINDS WILL CONTINUE TO
INCREASE WEDNESDAY AS WIND SPEEDS OF 10 TO 12 MPH ARE EXPECTED
AND WILL RAMP UP TO OVER 25 MPH WITH GUSTS REACHING UPWARDS OF 50
MPH BY AFTERNOON. A HIGH WIND WATCH HAS BEEN ISSUED FROM 0900
WEDNESDAY MORNING THROUGH 2100 WEDNESDAY NIGHT IN ANTICIPATION OF
THESE STRONG WINDS. AHEAD OF THE COLD FRONT...THUNDERSTORMS ARE
POSSIBLE. THE COLD FRONT IS EXPECTED TO MOVE OVER BURN SITE
WEDNESDAY EVENING/NIGHT AND PRODUCE RAIN...AND SNOW AT HIGHER
ELEVATIONS.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20%).
MAX TEMPERATURE.....57-62 F.
MIN HUMIDITY........15-20%.
WIND (20 FT)........NORTHEAST WINDS 5 MPH SHIFTING TO THE
                    SOUTHWEST 2 MPH WITH GUSTS TO AROUND 25 MPH
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR INCREASING TO VERY GOOD IN THE
                    AFTERNOON.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 9500 FT AGL.
TRANSPORT WINDS.....WEST 13 MPH.

.TUESDAY NIGHT...

SKY/WEATHER.........CLEAR (0-10%).
WIND (20 FT)........SOUTHWEST WINDS 12 MPH WITH GUSTS TO AROUND
                    25 MPH.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%) THEN BECOMING MOSTLY
                    CLOUDY (60-70%). ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....49-54 F.
MIN HUMIDITY........22-27%.
WIND (20 FT)........WINDY. SOUTHWEST WINDS 13 MPH WITH GUSTS TO
                    AROUND 30 MPH INCREASING TO 26 MPH WITH
                    GUSTS TO AROUND 50 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO EXCELLENT.
MIXING HEIGHT.......1100 FT AGL INCREASING TO 7300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 30 MPH.

$$
FORECASTER...TOM RENWICK
REQUESTED BY...STEVE HENTSCHEL
TYPE OF REQUEST...PRESCRIBED
.TAG 20100427.PIEDR.01/GJT