Suppression Forecast
Issued by NWS Sioux Falls, SD

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000
FNUS73 KFSD 041445
FWSFSD

SPOT FORECAST FOR SPRING RUN WOLTHIS...IOWA DNR WILDLIFE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
945 AM CDT MON MAY 4 2015

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

.DISCUSSION...

A FAIRLY DRY DAY ACROSS THE REGION...AS TEMPERATURES AGAIN CLIMB
INTO THE 70S. WE WILL MIX DOWN FAIRLY DRY AIR BY MID AFTERNOON...
WITH RELATIVE HUMIDITY VALUES REACHING RIGHT AROUND 20 PERCENT OR
SLIGHTLY LOWER. EAST-NORTHEAST WINDS SHOULD PREVAIL THROUGH THE
DAY. SPEEDS WILL AVERAGE 15 TO 20 MPH...BUT OCCASIONAL GUSTS TO
25 MPH ARE LIKELY. THIS WILL RESULT IN A HIGH GRASSLAND FIRE
DANGER RISK THIS AFTERNOON.

RAIN CHANCES WILL BEGIN TO INCREASE TONIGHT WITH DAILY CHANCE OF
RAIN THROUGH NEXT WEEKEND. THE MOST WIDESPREAD RAINS MAY OCCUR ON
WEDNESDAY AND WEDNESDAY NIGHT...AND AGAIN AS WE MOVE INTO NEXT
WEEKEND.

.TODAY...

MAX TEMPERATURE.....69-74.
MIN HUMIDITY........21 PERCENT.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY COVER.......PC  PC  PC  PC  MC  MC  MC  MC  MC  MC  MC  MC
% SKY COVER.....42  42  42  46  51  54  57  62  67  72  78  83
WEATHER COV.....
WEATHER TYPE....
TEMP............50  54  58  61  64  67  69  71  72  72  71  70
RH..............50  48  44  37  31  27  25  23  21  21  22  23
DEWPOINT........32  35  36  35  33  32  32  31  30  30  30  31
20 FT WIND DIR..NNE NE  ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE
20 FT WIND SPD..12  9   13  15  17  17  18  17  17  16  15  15
20 FT WIND GUST.15  10  15  25  25  25  25  25  25  25  20  20
SMOKE DISPERSAL.PR  FR  FR  GD  GD  GD  EX  EX  EX  EX  EX  EX
MIX HGT (KFT)...1.2 1.4 1.5 1.7 2.6 3.5 4.4 4.5 4.7 4.8 4.7 4.7
TRANSP WIND DIR.N   NNE NE  NE  NE  ENE ENE ENE ENE ENE ENE E
TRANSP WIND SPD.8   15  21  24  24  22  18  18  18  18  20  20
HAINES INDEX....5   5   5   5   5   5   5   4   4   4   4   4

.TONIGHT...

MIN TEMPERATURE.....47-52.
MAX HUMIDITY........77 PERCENT.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY
% SKY COVER.....88     92     96     100    100    100
WEATHER COV.....                            CHANCE SCTTRD
WEATHER TYPE....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
TEMP............68     62     57     54     53     51
RH..............27     38     47     54     61     68
DEWPOINT........33     36     37     38     40     41
20 FT WIND......ENE 13 ENE 10 ENE 9  ENE 10 ENE 12 ENE 13
20 FT WIND GUST.15            10            15     15
SMOKE DISPERSAL.EXCEL  GOOD   POOR   POOR   POOR   POOR
CHC OF PCPN (%).0      0      10     10     20     40

.TUESDAY...

MAX TEMPERATURE.....67-72.
MIN HUMIDITY........63 PERCENT.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY
% SKY COVER.....100    97     97     98     93     90
WEATHER COV.....SCTTRD SCTTRD SCTTRD CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............52     54     58     62     65     67
RH..............71     77     75     72     65     64
DEWPOINT........43     47     50     53     53     54
20 FT WIND......E 13   E 14   E 15   ESE 16 ESE 15 ESE 15
20 FT WIND GUST.15     20     20     25     20     20
SMOKE DISPERSAL.POOR   POOR   POOR   POOR   FAIR   GOOD
CHC OF PCPN (%).50     50     50     40     40     40
MIX HGT (FT)....300    1000   1500   1700   2300   2700
TRANSPORT WIND..E 12   E 9    E 8    E 9    SE 12  SSE 15
HAINES INDEX....3      3      3      3      3      4

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...CHRIS LARUE
TYPE OF REQUEST...PRESCRIBED
.TAG 20150504.SPRIN.01/FSD



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