Suppression Forecast
Issued by NWS Sioux Falls, SD

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955
FNUS73 KFSD 051640
FWSFSD

SPOT FORECAST FOR SPRING RUN SEEMAN...IOWA DNR
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1140 AM CDT THU MAY 5 2016

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

.DISCUSSION...
MILD CONDITIONS ARE EXPECTED TODAY AS WINDS INCREASE OUT OF THE
SOUTHWEST THROUGHOUT THE DAY. MIXING WILL BE GOOD...WITH MIXING
HEIGHTS NEAR 4K THIS AFTERNOON.

MILD CONDITIONS WILL CONTINUE INTO TONIGHT AND TOMORROW WITH
STRONGER WINDS TOMORROW AFTERNOON. A COLD FRONT WILL MOVE THROUGH
THE AREA EARLY SATURDAY MORNING. WITH THE PASSAGE OF THE FRONT...
THERE WILL BE AN OUTSIDE CHANCE OF A SHOWER OR THUNDERSTORM. WINDS
WILL ALSO INCREASE AND BECOME GUSTY OUT OF THE NORTHEAST SATURDAY
MORNING.

.REST OF TODAY...

MAX TEMPERATURE.....73-78.
MIN HUMIDITY........31 PERCENT.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY COVER.......MCR CLR CLR CLR CLR CLR CLR CLR
% SKY COVER.....7   4   2   2   2   1   1   1
WEATHER COV.....
WEATHER TYPE....
TEMP............61  65  68  71  73  76  75  74
RH..............49  38  35  31  28  26  28  30
DEWPOINT........42  40  40  40  39  39  40  41
20 FT WIND DIR..SW  SW  WSW WSW WSW WSW WSW WSW
20 FT WIND SPD..7   8   9   10  10  10  10  9
20 FT WIND GUST.    10  10  15  15  15  15  10
SMOKE DISPERSAL.FR  FR  FR  FR  FR  FR  GD  GD
CHC OF PCPN (%).0   0   0   0   0   0   0   0
MIX HGT (KFT)...1.8 2.7 3.5 3.8 4.1 4.4 4.4 4.4
TRANSP WIND DIR.SW  WSW W   W   WSW WSW WSW WSW
TRANSP WIND SPD.10  8   7   7   7   8   10  13
HAINES INDEX....5   5   6   6   6   6   6   6

.TONIGHT...

MIN TEMPERATURE.....49-54.
MAX HUMIDITY........73 PERCENT.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY COVER.......CLEAR  CLEAR  CLEAR  CLEAR  CLEAR  CLEAR
% SKY COVER.....1      1      1      2      1      2
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............72     66     60     57     55     53
RH..............33     45     58     66     67     71
DEWPOINT........41     44     45     46     45     44
20 FT WIND......WSW 9  WSW 8  SW 8   SW 8   SW 8   SW 8
20 FT WIND GUST.10     10     10     10     10     10
SMOKE DISPERSAL.GOOD   FAIR   POOR   POOR   POOR   POOR
CHC OF PCPN (%).0      0      0      0      0      0

.FRIDAY...

MAX TEMPERATURE.....82-87.
MIN HUMIDITY........30 PERCENT.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY COVER.......CLEAR  MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR
% SKY COVER.....4      6      7      9      17     22
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............55     65     73     80     83     83
RH..............70     52     43     34     31     31
DEWPOINT........45     47     49     49     49     49
20 FT WIND......SW 8   SW 13  SW 17  SW 20  SW 21  WSW 18
20 FT WIND GUST.10     15     25     30     30     30
SMOKE DISPERSAL.POOR   POOR   FAIR   EXCEL  EXCEL  EXCEL
CHC OF PCPN (%).0      0      0      0      0      0
MIX HGT (FT)....300    300    1500   3600   4200   4400
TRANSPORT WIND..SW 9   SW 14  SW 22  SW 30  SW 31  SW 30
HAINES INDEX....6      6      6      6      6      6

WEATHER TYPE ABBREVIATIONS

1)  T  = THUNDERSTORMS
2)  R  = RAIN
3)  RW = RAIN SHOWERS
4)  L  = DRIZZLE
5)  ZR = FREEZING RAIN
6)  ZL = FREEZING DRIZZLE
7)  S  = SNOW
8)  SW = SNOW SHOWERS
9)  IP = ICE PELLETS
10) F  = FOG
11) ZF = FREEZING FOG
12) IC = ICE CRYSTALS
13) H  = HAZE
14) BS = BLOWING SNOW
15) K  = SMOKE
16) BD = BLOWING DUST
17) FR = FROST

$$
FORECASTER...JH
REQUESTED BY...RORY MARTINSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20160505.SPRIN.01/FSD



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