FNUS75 KGJT 180302
FWSGJT

SPOT FORECAST FOR CHAFFEE RX...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
902 PM MDT FRI SEP 17 2010

FORECAST IS BASED ON IGNITION TIME OF 1830 MDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY...

.DISCUSSION...
HIGH PRESSURE WILL REMAIN OVER THE REGION SATURDAY...BUT AN
APPROACHING WEATHER SYSTEM OFF THE WEST COAST WILL BRING STRONGER
WINDS TO THE FIRE SITE. A WELL DEVELOPED THERMAL BELT IS EXPECTED TO
DEVELOP SATURDAY NIGHT. HIGH PRESSURE WILL THEN BEGIN TO SHIFT
EASTWARD SUNDAY AS THE STORM SYSTEM STARTS TO MOVE INLAND. BREEZY
AFTERNOON AND EARLY EVENING WINDS WILL REMAIN A CONCERN.

.TODAY...

SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....82-87 F.
MIN HUMIDITY........10-15%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH UNTIL 1100...THEN
                    BECOMING SOUTHWEST 15-20 MPH. GUSTS TO
                    30 MPH DEVELOPING AROUND 1300.
SMOKE DISPERSAL.....POOR (12000-12200 KNOT-FT) INCREASING TO VERY
                    GOOD IN THE AFTERNOON.
HAINES INDEX........5 MODERATE.
LAL.................1.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 9700 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 15 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR (0-10%).
MIN TEMPERATURE.....42-47 F.
MAX HUMIDITY........45-50%.
20-FOOT WINDS.......SOUTHWEST WINDS 12 MPH SHIFTING TO THE
                    SOUTHEAST 5 MPH AFTER 2100.
SMOKE DISPERSAL.....POOR (8900-26300 KNOT-FT).
HAINES INDEX........5 MODERATE.
LAL.................1.
MIXING HEIGHT.......1000-2700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 MPH.


$$
FORECASTER...MIKE CHAMBERLAIN
REQUESTED BY...RUSTY STARK
TYPE OF REQUEST...PRESCRIBED
.TAG 20100918.CHAFF.01/GJT