FNUS73 KUNR 111809
FWSUNR

SPOT FORECAST FOR COTTONWOOD RX...GREAT PLAINS DISPATCH
NATIONAL WEATHER SERVICE RAPID CITY SD
1209 PM MDT WED MAY 11 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 11.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...CLOUDY SKIES AND RAIN ARE EXPECTED EARLY THIS
AFTERNOON. A BAND OF RAIN IS NEARING THE FIRE SITE AND WILL LIKELY
PRODUCE AT LEAST A TENTH OF AN INCH. THE BAND SHOULD MOVE THROUGH
BY 2 PM WITH ONLY A FEW SPRINKLES POSSIBLE FOR THE REMAINDER OF
THE AFTERNOON. A MUCH WIDER SWATH OF PRECIPITATION WILL CROSS THE
AREA TONIGHT...BRINGING HALF AN INCH TO AN INCH OF RAIN TO THE
FIRE SITE.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. RAIN LIKELY.
MAX TEMPERATURE.....AROUND 52.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 3 TO 5 MPH.
CWR.................80 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2500 TO 3500 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 12 MPH.
SMOKE DISPERSAL.....FAIR.

.TONIGHT...

SKY/WEATHER.........CLOUDY. RAIN.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........NORTH WINDS 7 TO 10 MPH.
CWR.................100 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 TO 800 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH.
SMOKE DISPERSAL.....POOR.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........61 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 7 TO 14 MPH.
CWR.................30 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2600 TO 3600 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...SR
REQUESTED BY...SD-SDS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110511.COTTO.01/UNR