FNUS75 KCYS 021714
FWSCYS

SPOT FORECAST FOR MCCARTY...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1114 AM MDT SAT OCT 2 2010

FORECAST IS BASED ON REQUEST TIME OF 1103 MDT ON OCTOBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A SURFACE TROUGH WILL MOVE EAST ACROSS THE SITE THIS
AFTERNOON WITH WINDS BECOMING WEST AND INCREASING TO 10 TO 15 MPH.
WINDS WILL BECOME LIGHT AND VARIABLE THIS EVENING AS THE PRESSURE
GRADIENT WEAKENS. SURFACE LOW PRESSURE WILL STRENGTHEN ACROSS
WESTERN MONTANA ON SUNDAY WITH A SURFACE TROUGH RESIDING JUST
EAST OF THE SITE. WINDS WILL AGAIN BECOME WEST AND INCREASE TO NEAR
10 MPH IN THE AFTERNOON. IT WILL REMAIN DRY THROUGH SUNDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........14 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST AROUND
                    10 MPH AND GUSTY LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6700 FT AGL INCREASING TO 9700 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 12 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (47100-107000 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........47 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 11 MPH EARLY IN THE
                    EVENING BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5200 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 9 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1300-46400 KNOT-FT).

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........12 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 10
                    TO 11 MPH AND GUSTY IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3400 FT AGL INCREASING TO 7000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 12 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (27200-77300 KNOT-FT).

$$
FORECASTER...RUBIN
REQUESTED BY...MIKE BARAJAS
TYPE OF REQUEST...WILDFIRE
.TAG 20101002.MCCAR.01/CYS