FNUS73 KABR 221218
FWSABR

SPOT FORECAST FOR OLSEN EAST...US FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE ABERDEEN SD
718 AM CDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WARM HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE AREA TODAY.
WINDS WILL BECOME SOUTHERLY TODAY AROUND 10 MPH BY THIS
AFTERNOON. HUMIDITIES WILL FALL TO AROUND 30 PERCENT THIS
AFTERNOON ALSO. TEMPS WILL BE EVEN WARMER THURSDAY AHEAD OF A
STRONG COLD FRONT. THIS FRONT WILL MOVE THROUGH THURSDAY EVENING
AND BRING MUCH COOLER TEMPS AND A CHANCE OF THUNDERSTORMS.

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (15-30 PERCENT CLOUD).
MAX TEMPERATURE.....65-69.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........VARIABLE WINDS UP TO 6 MPH UNTIL 1200...THEN
                    SOUTHEAST.
HAINES INDEX........4 OR LOW.
MIXING HEIGHT.......2100 FT AGL UNTIL 1300...THEN 5200 FT AGL.
TRANSPORT WINDS.....NORTH 8 TO 12 MPH UNTIL 1300...THEN NORTHWEST
                    2 TO 5 MPH.
SMOKE DISPERSAL.....13800-23600.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........35  38  41  42  42  40  38  37  35
WEATHER COV.....
WEATHER TYPE....
TEMP............47  52  56  59  61  63  64  64  64
RH..............55  46  40  36  33  31  30  31  31
20 FT WIND DIR..NE  E   SE  SE  SE  SE  SE  SE  SE
20 FT WIND SPD..5   5   6   6   7   8   8   9   10
20 FT WIND GUST.10  10  10  10  10  10  15  15  15

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD).
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........68-73 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 15 MPH.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........35     38     41     44     38     31
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............63     59     56     54     53     52
RH..............33     41     49     57     63     67
20 FT WIND......SE 10  SE 11  SE 12  SE 14  SE 14  SE 12
20 FT WIND GUST.15     20     20     20     20     20

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD).
MAX TEMPERATURE.....81-86.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........SOUTH WINDS 13 TO 23 MPH. GUSTS UP TO 30 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS AFTER 1600.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........25     24     22     21     24     30
WEATHER COV.....                                   S CHC
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   RNSHWR
TEMP............51     61     69     76     80     81
RH..............73     56     46     40     37     36
20 FT WIND......SE 12  S 16   S 19   S 21   S 19   S 18
20 FT WIND GUST.20     25     30     30     30     25

$$
FORECASTER...SCARLETT
REQUESTED BY...SETH GRIMM
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.OLSEN.01/ABR