FNUS75 KGGW 182145
FWSGGW

SPOT FORECAST FOR COTTONWOOD RX...BLM LEWISTOWN
NATIONAL WEATHER SERVICE GLASGOW MT
345 PM MDT TUE MAY 18 2010

FORECAST IS BASED ON IGNITION TIME OF 1545 MDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AS THE SURFACE LOW PRESSURE TROUGH SLOWLY MOVES EASTWARD...WINDS
WILL SHIFT FROM SOUTHEASTERLY TO NORTHWESTERLY DURING THE EARLY
MORNING HOURS ON WEDNESDAY FOR THE BURN SITE. MIXING WINDS TONIGHT
WILL BE AROUND 26 MPH AT ABOUT 330 FT AGL WHILE MIXING WINDS
TOMORROW WILL BE AROUND AROUND 22 MPH AT ABOUT 7600 FT AGL.
ALTHOUGH SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE
THROUGHOUT THE ENTIRE SPOT FORECAST PERIOD...THE BEST CHANCES
FOR PRECIPITATION...INCLUDING THE THREAT FOR CLOUD TO GROUND
LIGHTNING AND SMALL HAIL...ARE DURING THE LATE AFTERNOON AND
EVENING HOURS.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN
                    A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....54-58.
MAX HUMIDITY........82-86 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
                    NORTHEAST 6 TO 11 MPH AFTER MIDNIGHT. GUSTS UP
                    TO 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE EVENING.
LAL.................3.
CWR.................10 PERCENT.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHEAST AROUND 26 MPH.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). A SLIGHT CHANCE
                    OF SHOWERS IN THE MORNING...THEN A CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........37-41 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
                    AROUND 25 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
LAL.................3.
CWR.................10 PERCENT.
MIXING HEIGHT.......7600 FT AGL.
MIXING WINDS........NORTHWEST AROUND 22 MPH.

$$
FORECASTER...MICKELSON
REQUESTED BY...JOSIE SWEENEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20100518.COTTO.02/GGW