FNUS75 KCYS 222029
FWSCYS

SPOT FORECAST FOR DUCK CREEK...RAWLINS DISPATCH
NATIONAL WEATHER SERVICE CHEYENNE WY
229 PM MDT MON AUG 22 2011

FORECAST IS BASED ON REQUEST TIME OF 1419 MDT ON AUGUST 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.DISCUSSION...
AN ISOLATED THUNDERSTORM OR SHOWER WILL BE POSSIBLE THROUGH THE
EARLY EVENING HOURS BUT LITTLE RAINFALL IS EXPECTED. IN AND AROUND
THE STORMS GUSTY WINDS WILL BE POSSIBLE. THROUGH THE EVENING HOURS
RELATIVE HUMIDITY READINGS WILL BE IN THE CRITICAL RANGE BUT
OVERNIGHT THERE WILL BE SOME RECOVERY. ON TUESDAY TEMPERATURES
WILL RISE INTO THE UPPER 80S AND AGAIN HUMIDITIES WILL MEET
CRITICAL VALUE CONDITIONS. IN ADDITION WEST WINDS WILL INCREASE TO
ABOVE 25 MPH AND HENCE A FIRE WEATHER WATCH HAS BEEN POSTED. IF
CURRENT WIND FORECASTS STAY ON TRACK A RED FLAG WARNING IS LIKELY
ON TUESDAY.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........57 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 10 MPH. GUSTS UP TO 20 MPH
                    DECREASING TO 15 MPH AFTER MIDNIGHT.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6400 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 13 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (3100-83000 KNOT-FT).

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........12 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 16 MPH. GUSTS UP TO 20
                    MPH INCREASING TO 30 MPH IN THE LATE MORNING
                    AND AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6700 FT AGL INCREASING TO 13100 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 19 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (80600-209900 KNOT-FT).

$$
FORECASTER...GRIFFITH
REQUESTED BY...MICHAEL COX
TYPE OF REQUEST...WILDFIRE
.TAG 20110822.DUCKC.01/CYS