FNUS73 KABR 211352
FWSABR

SPOT FORECAST FOR LEEDY MILLER...BIA
NATIONAL WEATHER SERVICE ABERDEEN SD
852 AM CDT WED APR 21 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN AREA OF HIGH PRESSURE OFF TO THE NORTH AND EAST WILL FILTER
DRIER AIR AND SLIGHTLY COOLER TEMPERATURES INTO THE REGION
TODAY. MINIMUM RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL TO
AROUND 30 PERCENT BY LATE THIS AFTERNOON. WINDS ARE EXPECTED TO
RANGE IN THE 5 TO 10 MPH RANGE FOR MOST LOCATIONS TODAY...WITH AN
OCCASIONAL AFTERNOON GUST TO BETWEEN 15 AND 20 MPH.

.TODAY...
SKY/WEATHER.........SUNNY (10-20 PERCENT CLOUD).
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........31-36 PERCENT.
WIND (20 FT)........LIGHT NORTH WINDS UP TO 5 MPH UNTIL 1000...THEN
                    EAST 5 TO 9 MPH.
HAINES INDEX........5 OR MODERATE.
MIXING HEIGHT.......600 FT AGL UNTIL 1300...THEN 7100 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....AROUND 6500 UNTIL 1300...THEN AROUND 66000.
CWR.................ZERO.
LAL.................1.

TIME (CDT)      10 AM  NOON   2 PM   4 PM   6 PM
SKY (%).........16     11     11     14     17
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............51     59     63     66     65
RH..............63     45     37     33     33
20 FT WIND......NE 5   E 7    E 8    E 8    E 8
20 FT WIND GUST.       10     10     10     10

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT CLOUD).
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........71-76 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 9 MPH UNTIL 0400...THEN
                    LIGHT UNTIL 0600...THEN SOUTHEAST UP TO 5 MPH.
HAINES INDEX........5 OR MODERATE.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH UNTIL 0100...THEN SOUTHEAST 8
                    TO 13 MPH.
SMOKE DISPERSAL.....2200-3700.
CWR.................ZERO.
LAL.................1.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........18     17     15     14     15     15
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............64     58     53     51     49     47
RH..............34     44     54     63     69     73
20 FT WIND......E 8    E 7    SE 6   SE 5   SE 5   SE 4
20 FT WIND GUST.10     10                          5

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 50S. EAST WINDS 13 TO 18 MPH.
.SATURDAY...
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 15 TO 20 MPH.
.SUNDAY...
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 40S.
HIGHS AROUND 60. NORTH WINDS 10 TO 20 MPH.

$$
FORECASTER...DORN
REQUESTED BY...LAWRENCE THOMPSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100421.LEEDY.01/ABR