Suppression Forecast
Issued by NWS Sioux Falls, SD

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FNUS73 KFSD 241255
FWSFSD

Spot Forecast for O'Brien Prairie...Plymouth County Conservation Dept
National Weather Service Sioux Falls SD
755 AM CDT Tue Apr 24 2018

If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Winds will settle into a north to northeast direction for your
area, with speeds averaging 12 to 18 mph this afternoon. The
biggest thing to watch for is there is a chance for light rain
showers this afternoon. However, thunderstorms will not occur.
Rain amounts in your area if they occur will be light, with
amounts generally 0.05 of an inch or less. Because of fairly
light winds this morning, smoke dispersion will be on the poor
side, but will then become fair to good by midday and afternoon.
Wednesday looks pleasant and dry.

.REST OF TODAY...

Max temperature.....61-66.
Min humidity........44 percent.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MC  MC  MC  MC  MC  CDY CDY CDY CDY CDY
Sky (%).........59  67  74  79  84  89  89  90  90  89
Weather cov.....                            SCH CHC CHC
Weather type....                            RW  RW  RW
Tstm cov........
Chc of pcpn (%).0   0   0   0   10  10  10  20  30  30
Temp............47  51  55  59  61  63  64  63  63  62
Dewpoint........38  40  41  41  41  41  42  43  43  43
RH..............71  66  59  51  48  44  45  48  48  50
20 FT wind dir..E   E   ENE ENE NE  NNE NNE NNE NNE NNE
20 FT wind spd..2   3   5   6   7   9   10  12  12  12
20 FT wind gust.                9   13  17  18  18  18
Mix hgt (kft)...0.5 0.8 1.1 1.9 2.8 3.6 4.1 4.5 5.0 3.8
Transp wind dir.E   E   ESE E   NNE N   N   N   N   NNE
Transp wind spd.5   5   6   5   5   6   7   8   10  14
Haines index....5   5   5   5   5   5   5   4   4   4
Smoke dispersal.PR  PR  PR  PR  PR  FR  FR  FR  GD  GD

.TONIGHT...

Min temperature.....36-41.
Max humidity........79 percent.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......CLOUDY MCLDY  MCLDY  MCLDY  MCLDY  MCLDY
Sky (%).........89     87     87     82     73     60
Weather cov.....CHANCE CHANCE S CHC  S CHC
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR NONE   NONE
Tstm cov........
Chc of pcpn (%).40     30     20     20     10     10
Temp............60     56     51     48     45     42
Dewpoint........42     42     41     39     37     36
RH..............51     59     68     71     73     79
20 ft wind......NNE 12 NNE 10 NNE 8  NNE 8  NNE 8  NNE 8
20 ft wind gust.17     16     12     10
Smoke dispersal.GOOD   POOR   POOR   POOR   POOR   POOR

.WEDNESDAY...

Max temperature.....59-64.
Min humidity........32 percent.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......PCLDY  PCLDY  MCLEAR MCLEAR MCLEAR CLEAR
Sky (%).........46     34     19     11     7      3
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).10     10     10     10     0      0
Temp............39     41     48     54     58     61
Dewpoint........34     33     34     33     33     32
RH..............82     73     58     45     39     33
20 ft wind......NNE 7  NNE 7  NE 6   N 6    N 6    NNW 5
20 ft wind gust.
Mix hgt (ft)....300    900    2300   4100   5200   5700
Transport wind..NNE 8  NNE 8  E 9    NE 7   NNE 3  N 2
Haines index....3      3      3      3      3      4
Smoke dispersal.POOR   POOR   FAIR   FAIR   FAIR   POOR

$$
Forecaster...MJ
Requested by...Nick McKee
Type of request...PRESCRIBED
.TAG 1807589.0/FSD



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