FNUS75 KCYS 061803
FWSCYS

SPOT FORECAST FOR WHISKEY CREEK RX...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
1203 PM MDT TUE OCT 6 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON OCTOBER 06
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
THE BURN SITE WILL BE BETWEEN WEATHER SYSTEMS THROUGH WEDNESDAY.
THE NEXT COLD FRONT WILL BRING SHARPLY COLDER TEMPERATURES AND
SNOW CHANCES TO THE BURN SITE BY WEDNESDAY NIGHT/EARLYL THURSDAY.
IN THE MEANTIME...WINDS WILL BE THE MAIN WEATHER CONCERN.
WEST/SOUTHWEST WINDS OF 25 MPH WITH GUSTS TO 40 MPH HAVE ALREADY
DEVELOPED ACROSS MOST OF CARBON AND ADJACENT COUNTIES. EXPECT THESE
WINDS TO PICK UP AT THE BURN SITE WITHIN THE NEXT HOUR OR TWO.
THESE WINDS SHOULD STAY FAIRLY STRONG TONIGHT AND THROUGH THE DAY
ON WEDNESDAY AS WELL. MIXING HEIGHTS WILL NOT DROP QUITE AS LOW
TONIGHT...NOR WILL MINIMUM TEMPERATURES. TEMPERATURES WILL BE A
FEW DEGREES WARMER TOMORROW OUT AHEAD OF THE COLD FRONTAL PASSAGE
WHICH IS EXPECTED WEDNESDAY NIGHT.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 42-46.
MIN HUMIDITY........38-44 PERCENT.
WIND (20 FT)........VARIABLE WINDS AT 3 GUSTING TO 10 MPH WILL TURN
                    SOUTHWEST AND INCREASE TO 15 TO 20 MPH WITH
                    GUSTS AS HIGH AS 35 MPH AFTER 1230.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4400-5100 FT AGL.
TRANSPORT WINDS.....WEST/SOUTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....GOOD BECOMING EXCELLENT (51100-100900 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) UNTIL 1800...THEN
                    MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....30-34.
MAX HUMIDITY........70-75 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS OF 15 TO 20 MPH WITH GUSTS AS HIGH
                    AS 35 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2600 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 20-25 MPH.
SMOKE DISPERSAL.....GOOD (25000-44100 KNOT-FT).

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....48-52.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS TO
                    AROUND 35 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 4100 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.
SMOKE DISPERSAL.....GOOD BECOMING EXCELLENT (34500-106000 KNOT-FT).

$$

FORECASTER...HAHN
REQUESTED BY...RENNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20091006.WHISK.01/CYS