FNUS75 KCYS 201109
FWSCYS

SPOT FORECAST FOR DRY GULCH...ALBANY COUNTY
NATIONAL WEATHER SERVICE CHEYENNE WY
509 AM MDT MON SEP 20 2010

FORECAST IS BASED ON REQUEST TIME OF 2324 MDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT
THIS EVENING...

.DISCUSSION...
CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR TODAY FROM LATE MORNING
INTO THE EARLY EVENING.  GUSTY WINDS AND VERY LOW HUMIDITIES WILL OCCUR
ACROSS THE AREA TODAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........BREEZY. WEST WINDS 12 TO 22 MPH WITH GUSTS TO
                    AROUND 40 MPH INCREASING TO 22 TO 27 MPH WITH
                    GUSTS TO AROUND 45 MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4600 FT AGL INCREASING TO 11100 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (84100-378000 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........62 PERCENT.
WIND (20 FT)........WEST WINDS 12 TO 18 MPH WITH GUSTS TO AROUND 30
                    MPH SHIFTING TO THE NORTHWEST AROUND 8 MPH LATE
                    IN THE EVENING...THEN BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4700 FT AGL DECREASING TO 300 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 13 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (1600-119000 KNOT-FT).

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........19 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 10
                    TO 13 MPH WITH HIGHER GUSTS IN THE LATE MORNING
                    AND AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3700 FT AGL INCREASING TO 7300 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 18 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (34400-141200 KNOT-FT).

$$
FORECASTER...DAUGHERTY
REQUESTED BY...DENNIS STRANGE
TYPE OF REQUEST...WILDFIRE
.TAG 20100919.DRYGU.03/CYS