FNUS75 KCYS 011100
FWSCYS

SPOT FORECAST FOR MCCARTY...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
500 AM MDT FRI OCT 1 2010

FORECAST IS BASED ON REQUEST TIME OF 1956 MDT ON SEPTEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE IN THE UPPER ATMOSPHERE WILL BE OVER THE ROCKIES
THROUGH THE WEEKEND.  THAT FEATURE WILL KEEP MOST OF THE CLOUDS
AND ANY PRECIPITATION AWAY FROM THE FIRE SITE.  A COLD FRONT WILL
MOVE ACROSS THE FIRE SITE BETWEEN 8 AM AND 9 AM AND WILL SHIFT
THE SURFACE WINDS TO MORE NORTHEAST FOR THE REST OF TODAY.  THE
TEMPERATURES WILL SEE LITTLE CHANGE THE NEXT FEW DAYS FROM THE
READINGS FROM THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....71-74.
MIN HUMIDITY........12-16 PERCENT.
WIND (20 FT)........SOUTH 4 TO 8 MPH...SHIFTING TO THE NORTHEAST
                    6 TO 12 MPH BETWEEN 8 AM AND 9 AM.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......540 FT AGL INCREASING TO 7800 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR BECOMING EXCELLENT IN THE AFTERNOON.
                    (27100-77500 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....43-48.
MAX HUMIDITY........47-53 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 4-8 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7000 FT AGL DECREASING TO 300 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....EAST TO SOUTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....VERY GOOD AND DECREASING TO POOR AFTER MIDNIGHT.
                    (1000-43900 KNOT-FT).

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........14 TO 18 PERCENT.
WIND (20 FT)........SOUTH 6 TO 10 MPH WITH SOME GUSTS TO 18 MPH
                    IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......400 FT AGL INCREASING TO 7600 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR BECOMING EXCELLENT IN THE AFTERNOON.
                    (23400-94600 KNOT-FT).

$$
FORECASTER...WEILAND
REQUESTED BY...BRADLEY HUSBY
TYPE OF REQUEST...WILDFIRE
.TAG 20100930.MCCAR.01/CYS