FNUS75 KCYS 191134
FWSCYS

SPOT FORECAST FOR SOUTH MILL CK  RC...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
534 AM MDT WED OCT 19 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON OCTOBER 19.

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE ALOFT WILL BUILD ACROSS WYOMING
TODAY WITH SURFACE LEE-SIDE TROUGHING BEGINNING TO DEVELOP ALONG THE
LARAMIE RANGE. THE RIDGE ALOFT WILL MOVE TO EASTERN WYOMING BY
LATE TODAY AS SURFACE HIGH PRESSURE PREVAILS ACROSS THE NORTHERN
PLAINS STATES PRODUCING LOW LEVEL SOUTHEASTERLY FLOW ACROSS
EASTERN WYOMING EAST OF THE LARAMIE RANGE. DRY WEATHER WITH FEW
CLOUDS WILL PREVAIL THROUGH THURSDAY.


.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 50 DEGREES.
MIN HUMIDITY........25 TO 30 PERCENT.
WIND (20 FT)........SOUTHWEST 15 TO 20 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 4200 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (16100-62400 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 30 DEGREES.
MAX HUMIDITY........70 TO 85 PERCENT.
WIND (20 FT)........WEST 10 TO 15 MPH WITH HIGHER GUSTS IN THE LATE
                    EVENING AND OVERNIGHT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......300-1400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 19 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (4900-24200 KNOT-FT).

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........30 TO 40 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 25 MPH WITH HIGHER GUSTS.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2600 FT AGL INCREASING TO 4900 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 23 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (49700-102000 KNOT-FT).

$$

REQUESTED BY...JEROD DELAY
TYPE OF REQUEST...PRESCRIBED
.TAG 20111019.SOUTH.01/CYS