FNUS75 KCYS 301721
FWSCYS

SPOT FORECAST FOR FERRIS...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
1121 AM MDT FRI SEP 30 2011

FORECAST IS BASED ON REQUEST TIME OF 1040 MDT ON SEPTEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE OVER THE AREA THE NEXT FEW DAYS WILL KEEP WINDS RELATIVELY
LIGHT ALONG WITH CLEAR SKIES...ALTHROUGH WINDS WILL INCREASE SLIGHTLY
SATURDAY. RELATIVE HUMIDITY WILL DROP INTO THE MID TEENS TODAY AND SATURDAY
AFTERNOON. SEE NEXT WEEKS OUTLOOK AT THE BOTTOM OF THE PAGE.


.TODAY...

SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........14-16 PERCENT.
WIND (20 FT)........SOUTH AROUND 5 MPH BECOMING WEST 10 TO 12 MPH
                    AFTER 1 PM WITH GUSTS TO 16 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2600 FT AGL INCREASING TO 8200 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 18 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (25800-147200 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........44 PERCENT.
WIND (20 FT)........SOUTHWEST 5-10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2700 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 9 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (900-40700 KNOT-FT).

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........14-16 PERCENT.
WIND (20 FT)........SOUTHWEST AROUND 5 MPH INCREASING TO 12-14 WITH
                    GUSTS TO 20 MPH BY EARLY AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3000 FT AGL INCREASING TO 9600 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 14 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (17700-172000 KNOT-FT).

NEXT WEEKS OUTLOOK...STRONG PACIFIC STORM SYSTEM EXPECTED TO MOVE INTO THE
WEST COAST TUESDAY. THIS WILL CAUSE SOUTHWEST WINDS TO INCREASE TO 15 TO 20 MPH
WITH GUSTS TO 30 MPH BY TUESDAY MORNING. BY TUESDAY EVENING...SOUTHWEST WINDS
OF 20 TO 25 MPH SUSTAINED WITH GUSTS TO 40 MPH EXPECTED. RED FLAG CONDITIONS ARE
POSSIBLE TUESDAY AFTERNOON THROUGH WEDNESDAY. VERY STRONG SOUTH TO SOUTHWEST
WINDS WEDNESDAY INTO FRIDAY WITH CRITICAL FIRE WEATHER CONDITIONS EXPECTED EACH
AFTERNOON.


$$
FORECASTER...CLAYCOMB
REQUESTED BY...ZACH HARTSHORN
TYPE OF REQUEST...WILDFIRE
.TAG 20110930.FERRI.01/CYS