FNUS73 KABR 021657
FWSABR

SPOT FORECAST FOR SANDHILLS RX...BIA LOWER BRULE AGENCY
NATIONAL WEATHER SERVICE ABERDEEN SD
1157 AM CDT WED MAY 2 2012

FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON MAY 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

WEAK HIGH PRESSURE OVER THE AREA ALLOWING FOR LIGHT WINDS WITH LOCAL
TERRAIN HAVING A GREATER IMPACT ON WIND DIRECTION THROUGH THE
AFTERNOON. BY THIS EVENING...LOW PRESSURE DEVELOPING ACROSS WESTERN
SOUTH DAKOTA WILL ALLOW WINDS TO SHIFT AROUND TO THE SOUTHEAST. AN
AREA OF MID AND HIGH CLOUDS OVER THE AREA IS EXPECTED TO PERSIST
THROUGH THE AFTERNOON AND EVENING AS WELL. THUNDERSTORMS COULD DEVELOP
IN THE AFTERNOON AS WELL.



.TODAY...
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT CLOUD). A SLIGHT
                    CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1600.
MAX TEMPERATURE.....74-79.
MIN HUMIDITY........39-44 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1400...THEN SOUTHEAST 5 TO 8
                    MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS AFTER 1600.
HAINES INDEX........5 OR MODERATE.
MIXING HEIGHT.......300 FT AGL UNTIL 1000. 5100-6100 FT AGL AFTER
                    1300.
TRANSPORT WINDS.....NORTH 4 TO 9 MPH UNTIL 1000. SOUTH 6 TO 11 MPH
                    AFTER 1300.
SMOKE DISPERSAL.....17600-27600 UNTIL 1600...THEN AROUND 52400.
CWR.................ZERO.
LAL.................2.

TIME (CDT)      3PM 4PM 5PM 6PM
SKY (%).........55  55  57  61
WEATHER COV.....    SCH SCH SCH
WEATHER TYPE....    RW  RW  RW
TEMP............72  75  74  74
RH..............44  41  42  44
20 FT WIND DIR..SE  S   S   SE
20 FT WIND SPD..5   5   6   7
20 FT WIND GUST.    10  10  10

$$
FORECASTER...CONNELLY
REQUESTED BY...RICHARD COLEMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20120502.SANDH.01/ABR