FNUS75 KCYS 201452
FWSCYS

SPOT FORECAST FOR N CARANGIE BLACKLINE...NPS
NATIONAL WEATHER SERVICE CHEYENNE WY
852 AM MDT TUE APR 20 2010

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A DISTURBANCE MOVING ACROSS THE NORTHERN AND CENTRAL PLAINS WILL
BRING SCATTERED SHOWERS AND THUNDERSTORMS TO THE AREA THIS
AFTERNOON AND EVENING.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).                  THE MORNING...THEN SCATTERED SH
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING NORTHEAST
                    AROUND 10 MPH LATE IN THE MORNING...THEN
                    BECOMING UPSLOPE/UPVALLEY 5-9 MPH EARLY IN THE
                    AFTERNOON BECOMING EAST 10 TO 11 MPH LATE IN
                    THE AFTERNOON. GUSTS UP TO 20 MPH.
CWR.................30 PERCENT.
LAL.................3.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1900-2600 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 13 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (15200-36600 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). AREAS OF FOG
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........EAST WINDS 8 TO 11 MPH IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500-1400 FT AGL.
TRANSPORT WINDS.....EAST AROUND 11 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (3600-19500 KNOT-FT).

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). AREAS OF FOG IN
                    THE MORNING.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........44 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHEAST 10
                    TO 17 MPH WITH HIGHER GUSTS IN THE LATE MORNING
                    AND AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2800 FT AGL INCREASING TO 5000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 18 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (25600-99500 KNOT-FT).

$$
FORECASTER...DAUGHERTY
REQUESTED BY...SONYA FEASTER
TYPE OF REQUEST...PRESCRIBED
.TAG 20100420.NCARA.02/CYS