Suppression Forecast
Issued by NWS Cheyenne, WY

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000
FNUS75 KCYS 230119
FWSCYS

SPOT FORECAST FOR PROSPECT MOUNTAIN...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
719 PM MDT TUE APR 22 2014

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 23.

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

.DISCUSSION...A PACIFIC COLD FRONT WILL MOVE ACROSS THE AREA LATE
TONIGHT AND EARLY WEDNESDAY MORNING...RESULTING IN STRONG WESTERLY
WINDS AND A FEW SNOW SHOWERS IN THE MOUNTAINS. ANOTHER WINDY BUT DRY
DAY IS EXPECTED ON THURSDAY WITH DAYTIME HUMIDITIES BETWEEN 25 TO 35
PERCENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SCATTERED RAIN
                    SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    EVENING...THEN ISOLATED SNOW SHOWERS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........72 PERCENT.
WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 25
                    MPH IN THE EVENING INCREASING TO 35 MPH AFTER
                    MIDNIGHT WITH WINDS SHIFTING INTO THE WEST.
CWR.................30 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4300 FT AGL DECREASING TO 500 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 24 MPH.
SMOKE DISPERSAL.....POOR (9800).

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). ISOLATED SNOW
                    SHOWERS IN THE MORNING.
MAX TEMPERATURE.....AROUND 42 DEGREES.
MIN HUMIDITY........25 TO 35 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 25 MPH. GUSTS UP TO 30 MPH
                    INCREASING TO 40 MPH LATE IN THE AFTERNOON.
CWR.................20 PERCENT DECREASING TO 10 PERCENT IN THE
                    AFTERNOON.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3700 FT AGL INCREASING TO 7200 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 29 MPH.
SMOKE DISPERSAL.....EXCELLENT (70800-189100 KNOT-FT).

.OUTLOOK FOR THURSDAY AND THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY SUNNY EARLY (30 PERCENT)...BECOMING
                    PARTLY CLOUDY IN THE AFTERNOON (55-60 PERCENT)
                    AND EVENING.
MAX TEMPERATURE.....45 TO 50 DEGREES.
MIN TEMPERATURE.....30 TO 35 DEGREES THURSDAY NIGHT.
MIN HUMIDITY........20 TO 30 PERCENT IN THE AFTERNOON. OVERNIGHT
                    RECOVERIES AROUND 70 PERCENT THURSDAY NIGHT.
WIND (20 FT)........WEST WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.
                    WINDS DIMINISHING THURSDAY NIGHT AND SHIFTING
                    INTO THE SOUTH AROUND 10 MPH.

$$

REQUESTED BY...CHRIS OTTO
TYPE OF REQUEST...PRESCRIBED
.TAG 20140423.PROSP.01/CYS







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