FNUS75 KCYS 221620
FWSCYS

SPOT FORECAST FOR DEEP CREEK RX...RWC
NATIONAL WEATHER SERVICE CHEYENNE WY
1020 AM MDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1230 MDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SURFACE LOW PRESSURE WILL DEVELOP ACROSS EASTERN
MONTANA TODAY WITH WEST WINDS IN THE LOW AND MID LEVELS OF THE
ATMOSPHERE ACROSS THE BURN LOCALE. A WEATHER DISTURBANCE
WILL PRODUCE SOME MIDDLE LEVEL CLOUDINESS TODAY BUT NO PRECIPITATION.
LOW LEVEL WINDS WILL BECOME SOUTHWEST TONIGHT AS A WEATHER
DISTURBANCE ALOFT MOVES ACROSS MONTANA. DRY AND WARMER WEATHER
WILL EXIST ON THURSDAY AS THE FLOW ALOFT BECOMES SOUTHWEST AND
SURFACE LOW PRESSURE DEVELOPS ACROSS EASTERN WYOMING. SOUTHWEST
WINDS WILL INCREASE CONSIDERABLY THURSDAY AFTERNOON WITH VERY LOW
AFTERNOON RELATIVE HUMIDITIES INCREASING THE FIRE DANGER ACROSS
THE BURN SITE.

.TODAY...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........15 TO 20 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST 15 TO 20
                    MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......800 FT AGL INCREASING TO 11000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 16 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (600-128900 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........57-62 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 11 MPH EARLY IN THE
                    EVENING BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......200-2000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 9 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (900-148600 KNOT-FT).

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........17-23 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 20
                    TO 30 MPH WITH HIGHER GUSTS IN THE LATE MORNING
                    AND AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......100 FT AGL INCREASING TO 12300 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (1400-252900 KNOT-FT).

$$
FORECASTER...RUBIN
REQUESTED BY...AARON MIER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.DEEPC.01/CYS