FNUS75 KCYS 251421
FWSCYS

SPOT FORECAST FOR MORGAN CREEK RX...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
821 AM MDT WED AUG 25 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON AUGUST 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL BRING CLEAR SKIES AND LIGHT WINDS TO THE BURN AREA TODAY.
WINDS TO REMAIN LIGHT OUT OF THE SOUTHEAST UNTIL NOON TIME BEFORE THE
HIGH SHIFTS TO THE SOUTH INTO NORTHERN COLORADO THIS AFTERNOON. WINDS THEN ARE
EXPECTED TO BECOME MORE SOUTH SOUTHWESTERLY AT AROUND 7 TO 9 MPH. TEMPERATURES
EXPECTED TO WARM INTO THE UPPER 70S TODAY WITH AFTERNOON HUMIDITIES FALLING TO
THE LOW TO MID TEENS. SOUTHWEST WINDS ARE EXPECTED TO INCREASE THURSDAY AS
THE UPPER HIGH PRESSURE SYSTEM MOVES OFF TO THE EAST OF THE BURN AREA.

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........17 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    AROUND 10 MPH AFTER 1 PM...WITH GUSTS TO 17
                    TO 20 MPH AFTER 3 PM.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4600 FT AGL INCREASING TO 6700 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 13 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (36000-84900 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........58 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 10 MPH. GUSTS UP TO 20 MPH IN
                    THE EARLY EVENING.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3100 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 13 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (2300-39500 KNOT-FT).

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........17 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    AROUND 10 MPH AND GUSTY IN THE LATE MORNING AND
                    AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6000 FT AGL INCREASING TO 11100 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 14 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (64500-141600 KNOT-FT).

$$
FORECASTER...CLAYCOMB
REQUESTED BY...STEVE RENNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20100825.MORGA.01/CYS