FNUS75 KGJT 070252
FWSGJT

SPOT FORECAST FOR RAT HOLE...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
852 PM MDT THU AUG 6 2009

FORECAST IS BASED ON REQUEST TIME OF 1955 MDT ON AUGUST 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
THUNDERSTORMS AFTER A PROLONGED DRY PERIOD...

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM MDT FRIDAY FOR
DRY COLD FRONTAL PASSAGE...LOW HUMIDITY...AND STRONG SHIFTING
WINDS...

.DISCUSSION...AN UNSTABLE ATMOSPHERE AND MOISTURE FROM THE SOUTH
WILL ALLOW FOR THE CONTINUED CHANCE FOR SHOWERS AND THUNDERSTORMS
UNTIL AROUND MIDNIGHT. MOISTURE WILL RAPIDLY DECREASE AFTER
MIDNIGHT. ON FRIDAY A FRONTAL SYSTEM WILL APPROACH WESTERN
COLORADO. AS THE STRONG SOUTHWEST WINDS MIX TO THE SURFACE...
DRYING OF THE LOWER LAYER WILL CONTINUE INTO THE EVENING.
AT TIMES SHIFTING WINDS MAY DEVELOP AS FRONTAL IMPULSES PASS
OVER THE BURN SITE. THE MAIN COLD FRONT IS EXPECTED TO PASS
BETWEEN 2000 AND 2300 MDT FRIDAY EVENING.


.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (50-60%). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN ISOLATED
                    SHOWERS AND THUNDERSTORMS POSSIBLE AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....52-57 F.
MAX HUMIDITY........60-70%.
20-FOOT WINDS.......SOUTH WINDS 10-15 MPH WITH GUSTS TO 25 MPH UNTIL
                    2200. VARIABLE OUTFLOW WINDS 10-15 MPH WITH
                    STRONGER GUSTS POSSIBLE UNTIL MIDNIGHT. THEN
                    WINDS DIMINISHING AND BECOMING DOWNSLOPE/
                    DOWNVALLEY 5-10 MPH. A FEW STRONGER GUSTS
                    POSSIBLE THROUGH THE NIGHT.
HAINES INDEX........4 LOW.
LAL.................4.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30%) THEN BECOMING PARTLY
                    CLOUDY (30-40%).
MAX TEMPERATURE.....AT 6800...80-85 F.
MIN HUMIDITY........12-17%.
20-FOOT WINDS.......BREEZY. SOUTH WINDS 10-15 MPH...INCREASING TO
                    15-20 MPH BY NOON WITH GUSTS UP TO 35 MPH
                    IN THE AFTERNOON.
HAINES INDEX........6 HIGH.
LAL.................1.

FRIDAY NIGHT...

HAINES INDEX........5 MODERATE.
LAL.................1.


$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...RYAN BLACK
TYPE OF REQUEST...WILDFIRE
.TAG 20090806.RATHO.02/GJT