FNUS75 KCYS 132100
FWSCYS

SPOT FORECAST FOR ARAPAHO...WSFD
NATIONAL WEATHER SERVICE CHEYENNE WY
300 PM MDT FRI JUL 13 2012

FORECAST IS BASED ON REQUEST TIME OF 1450 MDT ON JULY 13.

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

.DISCUSSION...ISOLATED DRY THUNDERSTORMS ARE POSSIBLE THIS EVENING
ACROSS THE NORTHERN LARAMIE RANGE. THUNDERSTORMS WILL MAINLY CONTAIN
GUSTY WINDS WITH PERHAPS SOME BRIEF LIGHT RAINFALL. SUBTROPICAL
MOISTURE WILL MOVE BACK INTO THE AREA THIS WEEKEND RESULTING IN A
MORE WIDESPREAD CHANCE OF SHOWERS AND THUNDERSTORMS BOTH SATURDAY
AND SUNDAY. WETTING RAINS ARE POSSIBLE WITH THESE THUNDERSTORMS
AS THEY MOVE EAST. IN ADDITION...HUMIDITIES WILL TREND HIGHER THIS
WEEKEND WITH GOOD HUMIDITY RECOVERIES AT NIGHT.


.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........55-75 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 14 MPH AND GUSTY.
CWR.................10 PERCENT.
LAL.................2.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4700 FT AGL DECREASING TO 300 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 12 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (1700-105700 KNOT-FT).

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    CLOUDY (75-85 PERCENT). SCATTERED THUNDERSTORMS.
MAX TEMPERATURE.....81-86.
MIN HUMIDITY........20-28 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTH 10 TO
                    15 MPH WITH HIGHER GUSTS IN THE LATE MORNING
                    AND AFTERNOON.
CWR.................50 PERCENT.
LAL.................3.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3600 FT AGL INCREASING TO 10000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 13 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (29400-211300 KNOT-FT).

$$

REQUESTED BY...STAN MITCHEM
TYPE OF REQUEST...WILDFIRE
.TAG 20120713.ARAPA.01/CYS