FNUS75 KCYS 042026
FWSCYS

SPOT FORECAST FOR AIRPLANE PARK RX...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
126 PM MST TUE DEC 4 2012

FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON DECEMBER 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...STRONG AND GUSTY WEST WINDS WILL OCCUR OVER THE
PRESCRIBED BURN SITE WEDNESDAY AND WEDNESDAY NIGHT WITH THE PASSAGE
OF A COLD FRONT AND UPPER LEVEL WEATHER DISTURBANCE. NEAR SURFACE
WIND GUSTS OF 55 MPH CAN BE EXPECTED THROUGH WEDNESDAY EVENING
BEFORE DIMINISHING. THERE WILL BE A SLIGHT CHANCE OF RAIN AND
SNOW WEDNESDAY NIGHT. WINDS THURSDAY WILL BE LIGHTER...BUT STILL
BREEZY.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
MAX TEMPERATURE.....AROUND 41.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........WINDY. WEST WINDS 20 TO 35 MPH. GUSTS UP TO
                    55 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 1800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 45 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (31600-84500 KNOT-FT).

.WEDNESDAY NIGHT...

SKY/WEATHER.........CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF
                    RAIN AND SNOW.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........80 PERCENT.
WIND (20 FT)........WINDY. WEST WINDS 20 TO 30 MPH. GUSTS UP TO
                    55 MPH DECREASING TO 40 MPH.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800 FT AGL DECREASING TO 1300 FT AGL.
TRANSPORT WINDS.....WEST 45 MPH DECREASING TO 35 MPH.
SMOKE DISPERSAL.....GOOD (27100-52100 KNOT-FT).

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
MAX TEMPERATURE.....AROUND 35.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 25 MPH WITH GUSTS TO
                    30 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1300 FT AGL INCREASING TO 3300 FT AGL.
TRANSPORT WINDS.....WEST 25 TO 30 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (42600-82500 KNOT-FT).

$$
FORECASTER...JAMSKI
REQUESTED BY...CHRIS OTTO
TYPE OF REQUEST...PRESCRIBED
.TAG 20121205.AIRPL.01/CYS