FNUS75 KGJT 132028
FWSGJT

SPOT FORECAST FOR ROCKY FLATS...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
228 PM MDT MON JUL 13 2009

FORECAST IS BASED ON IGNITION TIME OF 1435 MDT ON JULY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL MOVE EAST OF THE AREA ALLOWING
SOUTHWEST WINDS ALOFT AND AT THE SURFACE TO INCREASE LATE
THIS AFTERNOON, ENHANCING UPCANYON WINDS. A BAND OF MID LEVEL
MOISTURE AND EMBEDDED THUNDERSTORMS IS CURRENTLY MOVING TOWARD THE
SITE...BUT AS EVENING APPROACHES DRIER AIR WILL SLOWLY WORK INTO THE
REGION FROM THE WEST. A DRY COOL FRONT WILL MOVE THROUGH THE REGION
TONIGHT. AS A RESULT TUESDAY WILL BE MUCH DRIER AND SURFACE WINDS
WILL BE MORE WESTERLY IN DIRECTION.

.THIS AFTERNOON...

SKY/WEATHER.........MOSTLY CLOUDY (60-70%)...SOME LATE AFTERNOON
                    BREAKS. OTHERWISE SCATTERED SHOWERS AND
                    THUNDERSTORMS.
MAX TEMPERATURE.....88-93 F.
MIN HUMIDITY........22-27%.
20-FOOT WINDS.......SOUTHWEST 10-15 MPH WITH GUSTS TO AROUND 25 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
HAINES INDEX........5 MODERATE.
LAL.................4.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50%). SCATTERED EVENING SHOWERS
                    AND THUNDERSTORMS.
MIN TEMPERATURE.....55-60 F.
MAX HUMIDITY........36-41%.
20-FOOT WINDS.......WEST WINDS 6-12 MPH SHIFTING TO THE SOUTH 5 MPH
                    AFTER SUNSET. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
HAINES INDEX........6 HIGH.
LAL.................4.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20%).
MAX TEMPERATURE.....87-92 F.
MIN HUMIDITY........15-20%.
20-FOOT WINDS.......NORTHWEST 5-10 MPH IN THE AFTERNOON...A FEW
                    GUSTS TO 20 MPH POSSIBLE.
HAINES INDEX........5 MODERATE.
LAL.................1.

$$
FORECASTER...MIKE CHAMBERLAIN
REQUESTED BY...BECKY JOSSART
TYPE OF REQUEST...PRESCRIBED
.TAG 20090713.ROCKY.01/GJT