FNUS73 KUNR 271435
FWSUNR

SPOT FORECAST FOR ELK RUN RX...SD GAME FISH AND PARKS
NATIONAL WEATHER SERVICE RAPID CITY SD
835 AM MDT TUE APR 27 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
HIGH PRESSURE OVER THE NORTHERN PLAINS WILL SHIFT EAST TODAY AS AN
UPPER LEVEL RIDGE BUILDS OVER THE AREA. RETURN SOUTHERLY FLOW WILL
DEVELOP TODAY...RESULTING IN BREEZY SOUTHERLY WINDS THIS AFTERNOON.
IT WILL BE MOSTLY SUNNY AND DRY. AN APPROACHING STORM SYSTEM WILL BRING A
COLD FRONT TO THE AREA WEDNESDAY...ALONG WITH INCREASING CLOUDS
AND A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS WEDNESDAY AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY...SOME THIN HIGH CIRRUS.
                    TEMPERATURE.........51 AT IGNITION...MAX 62.
                    MIN HUMIDITY........39 PERCENT AT IGNITION...MIN 31 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 10 MPH AT IGNITION...THEN SOUTH
                    WINDS INCREASING TO 14 TO 18 MPH IN THE AFTERNOON.
                    GUSTS TO 22 MPH LATE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST INCREASING TO 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....42.
MAX HUMIDITY........67 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS DECREASING TO 6 TO 11 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 18 MPH.

.WEDNESDAY...

SKY/WEATHER.........INCREASING CLOUDS. A SLIGHT CHANCE OF SHOWERS
                    AND THUNDERSTORMS LATE.
MAX TEMPERATURE.....68.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 12 TO 18 MPH SHIFTING TO THE
                    WEST 18 TO 24 MPH IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................1...THEN 2 IN THE AFTERNOON.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH BECOMING WEST 25 TO
                    35 MPH.

$$
FORECASTER...EH
REQUESTED BY...LINDSEY BARNEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20100427.ELKRU.02/UNR