FNUS75 KCYS 252145
FWSCYS

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

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON AUGUST 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE IN THE UPPER ATMOSPHERE WILL REMAIN OVER THE BURN
SITE THROUGH THURSDAY. THE SURFACE HIGH HAS MOVED ONTO THE PLAINS
AND HAS BEEN REPLACED BY A SURFACE LOW PRESSURE TROUGH OVER
EASTERN WYOMING. THE SURFACE LOW PRESSURE TROUGH WILL REMAIN OVER
THAT AREA THROUGH THURSDAY. THE RESULT WILL BE VERY WARM...DRY
AND BREEZY CONDITIONS OVER THE BURN SITE FOR THURSDAY. EVEN
WINDIER AND DRIER WEATHER IS EXPECTED OVER THE AREA ON FRIDAY.

.TONIGHT...

SKY/WEATHER.........CLEAR (0-8 PERCENT).
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........43 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH WITH GUSTS TO 20 MPH
                    UNTIL SUNSET. WINDS BECOMING DOWNSLOPE OR DOWN
                    VALLEY 4 TO 6 MPH BY 1 AM.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2200 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 12 MPH.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR AFTER MIDNIGHT.
                    (28100-1700 KNOT-FT).

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....82 TO 85.
MIN HUMIDITY........7-9 PERCENT.
WIND (20 FT)........BECOMING UPSLOPE/ UPVALLEY 4 TO 8 MPH SHORTLY
                    AFTER SUNRISE. THEN SOUTHWEST 11 TO 16 MPH BY
                    11 AM WITH GUSTS TO 24 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......200 FT AGL INCREASING TO 8200 FT AGL BY NOON.
TRANSPORT WINDS.....SOUTHWEST 14 TO 22 MPH BY LATE MORNING.
SMOKE DISPERSAL.....POOR BECOMING EXCELLENT BY NOON.
                    (1800-96400 KNOT-FT).

$$
FORECASTER...WEILAND
REQUESTED BY...CHRIS OTTO
TYPE OF REQUEST...PRESCRIBED
.TAG 20100826.MORGA.01/CYS