FNUS75 KCYS 280932
FWSCYS

SPOT FORECAST FOR SEMINOE...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
332 AM MDT SAT JUL 28 2012

FORECAST IS BASED ON REQUEST TIME OF 2240 MDT ON JULY 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
ANOTHER HOT DAY WITH ISOLATED SHOWERS AND THUNDERSTORMS THIS
AFTERNOON AND EVENING. WINDS GENERALLY ON THE LIGHTER SIDE TODAY
BUT RIDGE TOPS WILL SEE GUSTS TO 20 MPH. LOWER ELEVATIONS
MAY ALSO SEE GUSTS AROUND 20 MPH THIS AFTERNOON AS DEEPER MIXING
OCCURS. ANY SHOWER OR THUNDERSTORM ACTIVITY TODAY WILL BE CAPABLE
OF PRODUCING STRONG OUTFLOW WINDS TO AROUND 50 MPH.


.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). ISOLATED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........10 TO 15 PERCENT.
WIND (20 FT)........WEST-SOUTHWEST WINDS 8 TO 12 MPH WITH GUSTS TO
                    20 MPH ALONG RIDGETOPS. A FEW GUSTS TO 20 MPH
                    ALSO POSSIBLE IN LOWER ELEVATIONS THIS AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................2.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......10400 FT AGL INCREASING TO 15000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....EXCELLENT (70300-146300 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT). ISOLATED
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........55 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
                    MIDNIGHT.
LAL.................2.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7800 FT AGL DECREASING TO 300 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 8 MPH.
SMOKE DISPERSAL.....EXCELLENT BECOMING POOR LATE NIGHT.
                    (1900-68000 KNOT-FT).

.SUNDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........16 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 8 TO 13 MPH IN
                    THE LATE MORNING AND AFTERNOON. GUSTS UP TO
                    20 MPH IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6800 FT AGL INCREASING TO 13500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (32300-118300 KNOT-FT).

$$
FORECASTER...LIEBL
REQUESTED BY...CHRIS HAVENER
TYPE OF REQUEST...WILDFIRE
.TAG 20120727.SEMIN.01/CYS