FNUS73 KFSD 141157
FWSFSD

SPOT FORECAST FOR HANSON GPA...SDGF&P
NATIONAL WEATHER SERVICE SIOUX FALLS SD
657 AM CDT TUE APR 14 2009

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
DRY AIR REMAINS IN PLACE TODAY...DROPPING RELATIVE HUMIDITY INTO
TO 20 TO 25 PERCENT RANGE THIS AFTERNOON AS DRY AIR MIXES TO THE SURFACE.
RELATIVE HUMIDITY MAY DROP INTO THE TEENS FOR A TIME LATE THIS AFTERNOON...
DEPENDING ON THE EXTENT OF MIXING. WINDS TO STEADILY INCREASE THROUGH
THE DAY...AND BECOMING A BIT GUSTY TOWARD LATE AFTERNOON. STRONG SOUTHEASTERLY
WINDS TOMORROW AT 20 TO 35 MPH.


.TODAY...
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........24 PERCENT.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY.............CLR MCR PC  PC  PC  MCR MCR MCR MCR CLR CLR
WEATHER TYPE....
TEMP (F)........34  38  43  49  53  57  60  62  64  64  65
RH (%)..........69  64  55  48  39  33  29  24  22  22  21
DEWPOINT (F)....25  27  28  30  29  28  28  26  25  25  24
20 FT WIND DIR..SSE SSE SSE SSE SSE SSE SE  SE  SE  SE  SE
20 FT WIND SPD..5   5   6   8   9   10  12  13  13  13  13
20 FT WIND GUST.            10  10  14  15  16  17  18  20
DISPERSAL INDEX.PR  PR  PR  PR  FR  GD  GD  GD  GD  GD  GD

.TONIGHT...

MIN TEMPERATURE.....34-39.
MAX HUMIDITY........70 PERCENT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY.............CLEAR  CLEAR  CLEAR  CLEAR  MCLEAR MCLEAR
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP (F)........64     59     49     44     42     40
RH (%)..........24     30     46     57     62     64
20 FT WIND......SE 14  SE 13  SE 10  SE 8   SE 8   SE 8
20 FT WIND GUST.20     15     15     10     10     10

.WEDNESDAY...

MIN HUMIDITY........33 PERCENT.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
RH (%)..........70        58        39        33
20 FT WIND......SE 9G10   SE 16G25  SE 24G30  SE 28G35

$$
FORECASTER...LIEBL
REQUESTED BY...ANDY GABBBERT
TYPE OF REQUEST...PRESCRIBED
.TAG 20090414.HANSO.01/FSD