FNUS75 KGJT 070843
FWSGJT

SPOT FORECAST FOR WILLOW PILES...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
143 AM MST FRI DEC 7 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON DECEMBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD TROUGH OF LOW PRESSURE DEEPENS OVER WYOMING
DURING THESE PERIODS...THEN SPILLS INTO COLORADO STARTING SATURDAY
NIGHT. THE JET STREAM SINKS THROUGH CENTRAL WYOMING TODAY THEN
STRENGTHENS ALONG THE COLORADO BORDER TONIGHT THROUGH SATURDAY.
WEST WINDS INCREASE OVER THE BURN SITE AS A RESULT. MIXING HEIGHTS
WILL BE SOMEWHAT LIMITED BUT SMOKE DISPERSAL WILL STILL BE IN THE
GOOD CATEGORY EXCEPT FOR BRIEF PERIODS OF FAIR THIS MORNING AND
OVERNIGHT.

.TODAY...

20-FOOT WINDS.......WEST WINDS 14 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (45000-70000 KNOT-FT).
MIXING HEIGHT.......1900-3200 FT AGL.
TRANSPORT WINDS.....WEST 28 MPH.

.TONIGHT...

20-FOOT WINDS.......WEST WINDS 15 MPH WITH OCCASIONAL GUSTS OF
                    25 TO 30 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (38000-60000 KNOT-FT).
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST 27 MPH.

.SATURDAY...

20-FOOT WINDS.......BREEZY. WEST WINDS 15 TO 20 MPH WITH GUSTS OF
                    30 TO 40 MPH.
SMOKE DISPERSAL.....GOOD.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST 40 MPH.

$$
FORECASTER...JOE RAMEY
REQUESTED BY...ARTHUR HAINES
TYPE OF REQUEST...PRESCRIBED
.TAG 20121207.WILLO.01/GJT