FNUS75 KCYS 090043
FWSCYS

SPOT FORECAST FOR LONG DRAW...IA CPC
NATIONAL WEATHER SERVICE CHEYENNE WY
643 PM MDT WED JUL 8 2009

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

.DISCUSSION...
FAIR WEATHER CUMULUS CURRENTLY VIEWABLE AT THE BURN SITE WILL
DECREASE IN COVERAGE THROUGH SUNSET...GIVING WAY TO CLEAR SKIES
OVERNIGHT. A COLD FRONT WILL DROP SOUTH THROUGH THE BURNSITE
BETWEEN 2200 AND 2400...TURNING WINDS NORTHERLY. THE FRONT WILL
IMPACT MAINLY AREAS EAST OF THE LARAMIE RANGE...HOWEVER WILL ALSO
AFFECT PORTIONS OF THE LARAMIE RANGE OVERNIGHT. OVERNIGHT HUMIDITY
RECOVERIES WILL BE GOOD...AND MAY EVEN BE A BIT HIGHER IF THE
FRONT INFLUENCES THE BURN SITE MORE. MOISTURE CHANCES WILL RETURN
ONCE AGAIN ON THURSDAY...AS AT LEAST ISOLATED THUNDERSTORMS ARE
EXPECTED TO FORM ATOP THE LARAMIE RANGE. LIKEWISE...AFTERNOON
MINIMUM RELATIVE HUMIDITIES WILL BE GREATER FOR THURSDAY.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT) UNTIL 2000...THEN
                    CLEAR (0 PERCENT).
MIN TEMPERATURE.....50 TO 55 DEGREES.
MAX HUMIDITY........10 TO 15 PERCENT...INCREASING TO 65 TO 70 PERCENT.
WIND (20 FT)........SOUTH/SOUTHWEST 3 TO 6...POSSIBLY GUSTING TO 12 TO 15
                    MPH UNTIL 1100...THEN BECOMING NORTH AT 8 TO 12 MPH WITH
                    GUSTS TO 15 MPH.
CWR.................ZERO PERCENT.
LAL.................1.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......7400 FT AGL DECREASING TO 1000 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
SMOKE DISPERSAL.....EXCELLENT BECOMING POOR AFTER MIDNIGHT (4100-185200 KNOT-FT).

.THURSDAY...

SKY/WEATHER.........SUNNY (ZERO PERCENT) UNTIL 1200...THEN BECOMING PARTLY
                    CLOUDY (45 TO 55 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS POSSIBLE AFTER NOON.
MAX TEMPERATURE.....72 TO 77 DEGREES.
MIN HUMIDITY........30 TO 35 PERCENT.
WIND (20 FT)........NORTH AT 8 TO 12 MPH WITH GUSTS TO 15 MPH UNTIL 1100...
                    THEN UPSLOPE/UPVALLEY AT 6 TO 12 MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT AFTER 1200.
LAL.................2.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3500 TO 4500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....FAIR INCREASING GOOD (14500-49200 KNOT-FT).

$$
FORECASTER...HAHN
REQUESTED BY...LUKE FORTNER
TYPE OF REQUEST...WILDFIRE
.TAG 20090708.LONGD.01/CYS