FNUS75 KCYS 142247
FWSCYS

SPOT FORECAST FOR NF SLASH PILE...CENTENNIAL VALLEY VFD
NATIONAL WEATHER SERVICE CHEYENNE WY
447 PM MDT SAT APR 14 2012

FORECAST IS BASED ON IGNITION TIME OF 1700 MDT ON APRIL 14.

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

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT SUNDAY...

.DISCUSSION...

PERIODS OF SNOW WILL CONTINUE LATE THIS AFTERNOON AND TONIGHT. WINDS
WILL INCREASE OUT OF THE NORTH TONIGHT WITH GUSTS UP TO 35 MPH
POSSIBLE BY EARLY SUNDAY MORNING. SNOW WILL DIMINISH SUNDAY MORNING
WITH SCATTERED SNOW SHOWERS EXPECTED THROUGH SUNDAY.

.REST OF TODAY...

SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW SHOWERS AND
                    ISOLATED THUNDERSTORMS.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 10 MPH.
CWR.................90 PERCENT.
LAL.................2.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 18 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (120700-128800 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........CLOUDY (95-100 PERCENT). WIDESPREAD SNOW
                    SHOWERS.
MIN TEMPERATURE.....AROUND 24.
MAX HUMIDITY........90 TO 100 PERCENT.
WIND (20 FT)........NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 30
                    MPH ESPECIALLY AFTER MIDNIGHT.
CWR.................90 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5400 FT AGL DECREASING TO 2700 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 23 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (55000-102600 KNOT-FT).

.SUNDAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT). SNOW SHOWERS LIKELY.
MAX TEMPERATURE.....AROUND 38.
MIN HUMIDITY........51 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 12 TO 17 MPH WITH HIGHER GUSTS.
CWR.................70 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4300-5800 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 24 MPH.
SMOKE DISPERSAL.....EXCELLENT (85300-109900 KNOT-FT).

$$
REQUESTED BY...ERIC GREGORY
TYPE OF REQUEST...PRESCRIBED
.TAG 20120414.NFSLA.01/CYS