FNUS75 KCYS 201907
FWSCYS

SPOT FORECAST FOR MORGAN CREEK...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
107 PM MDT TUE SEP 20 2011

FORECAST IS BASED ON IGNITION TIME OF 1400 MDT ON SEPTEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...COOLER TEMPERATURES AND HIGHER RELATIVE HUMIDITIES ARE
EXPECTED THIS AFTERNOON BEHIND A COLD FRONT WHICH PASSED ACROSS THE
AREA LATE LAST NIGHT. THE COOL TEMPERATURES WILL CONTINUE TONIGHT AND
WEDNESDAY BEFORE WARMING UP AGAIN FOR THURSDAY AND FRIDAY.


.THIS AFTERNOON...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........SOUTHWEST AROUND 10 MPH EARLY SHIFTING TO THE
                    NORTHWEST.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 19 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (68700-97400 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MIN TEMPERATURE.....AROUND 38.
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 10 MPH SHIFTING TO THE
                    NORTHEAST 7 TO 9 MPH LATE IN THE EVENING...THEN
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH AFTER
                    MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......600-1800 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (3600-19800 KNOT-FT).

.WEDNESDAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........SOUTH 5-10 MPH SHIFTING TO THE WEST IN THE
                    AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2300 FT AGL INCREASING TO 6900 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTH AROUND 11 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (14100-75700 KNOT-FT).

$$
FORECASTER...JAMSKI
REQUESTED BY...KATIE O DONAHUE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110920.MORGA.01/CYS