FNUS73 KABR 221346
FWSABR

SPOT FORECAST FOR LEEDY...LOWER BRULE AGENCY - BIA
NATIONAL WEATHER SERVICE ABERDEEN SD
846 AM CDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE LOCATED ACROSS THE EASTERN DAKOTAS WILL SLIDE EAST
OF THE REGION DURING THE DAY. LOW PRESSURE LOCATED IN SOUTHERN
CANADA WILL DRAG A WARM FRONT FROM WESTERN SOUTH DAKOTA TO EASTERN
SOUTH DAKOTA BY EVENING. WARM AND DRY AIR LOCATED BEHIND THE FRONT
WILL OVERSPREAD CENTRAL SOUTH DAKOTA THIS AFTERNOON....RESULTING
IN DAYTIME HIGHS IN THE LOWER 80S WITH RELATIVE HUMIDITIES FALLING
TO AROUND 25 PERCENT. AS THE FRONT APPROACHES CENTRAL SOUTH
DAKOTA...LIGHT SOUTH WINDS WILL INCREASE TO AROUND 15 MPH BY EARLY
AFTERNOON WITH GUSTS FROM 20 TO 25 MPH AT TIMES.

.TODAY...
SKY/WEATHER.........SUNNY (10-20 PERCENT CLOUD).
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........23-28 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH UNTIL 0800...THEN LIGHT
                    UNTIL 0900...THEN SOUTH 8 TO 18 MPH WITH GUSTS
                    TO AROUND 25 MPH.
HAINES INDEX........4 OR LOW.
MIXING HEIGHT.......1400 FT AGL UNTIL 1300...THEN 7700 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 11 MPH UNTIL 1300...THEN SOUTHWEST
                    18 TO 23 MPH.
SMOKE DISPERSAL.....AROUND 9500 UNTIL 1300...THEN AROUND 133300.
CWR.................ZERO.
LAL.................1.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM
SKY (%).........0      3      11     22
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............64     75     79     80
RH..............42     31     27     25
20 FT WIND......SE 9   SE 14  S 15   S 15
20 FT WIND GUST.10     20     25     25

$$
FORECASTER...HINTZ
REQUESTED BY...ALAN LIEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.LEEDY.01/ABR