FNUS75 KCYS 272053
FWSCYS

SPOT FORECAST FOR WEST BARRETTS RX...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
253 PM MDT TUE APR 27 2010

FORECAST IS BASED ON IGNITION TIME OF 1500 MDT ON APRIL 27.

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SOUTHWEST WINDS WILL INCREASE THIS EVENING AND
TONIGHT WITH SPEEDS BETWEEN 15 TO 25 MPH AND GUSTS UP TO 40 MPH
EXPECTED AS A PACIFIC COLD FRONT MOVES TOWARDS THE REGION. HUMIDITY
RECOVERIES WILL BE POOR TO MODERATE ACROSS THE REGION TONIGHT...BUT
TREND HIGHER BY LATE IN THE WEEK. UNSETTLED WEATHER CONDITIONS AND
COOLER TEMPERATURES CAN BE EXPECTED THROUGH THE END OF THE WEEK
AND INTO THE WEEKEND AS AN UPPER LEVEL DISTURBANCE REMAINS OVER THE
NORTHERN AND CENTRAL ROCKIES.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (35-50 PERCENT)...BECOMING
                    MOSTLY CLOUDY (50-60 PERCENT) OVERNIGHT.
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........40 TO 60 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS INCREASING TO 15 TO 24 MPH.
                    GUSTS UP TO 30 MPH INCREASING TO 40 MPH LATE
                    IN THE NIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3800 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 22 MPH.
SMOKE DISPERSAL.....POOR (4400 KNOT-FT).

.WEDNESDAY...

SKY/WEATHER.........CLOUDY (80-90 PERCENT). CHANCE OF SNOW SHOWERS
                    IN THE AFTERNOON.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........AROUND 30 PERCENT.
WIND (20 FT)........WEST WINDS 20 TO 30 MPH WITH GUSTS TO AROUND 40
                    MPH.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500 FT AGL INCREASING TO 6800 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 20 TO 35 MPH.
SMOKE DISPERSAL.....EXCELLENT (84900-211800 KNOT-FT).

$$
FORECASTER...TRUDEL
REQUESTED BY...MIKE BARAJAS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100427.WESTB.01/CYS