Suppression Forecast
Issued by NWS Sioux Falls, SD

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000
FNUS73 KFSD 021300
FWSFSD

SPOT FORECAST FOR WORTHINGTON PILES...U.S. FWS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
700 AM CST MON MAR 2 2015

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

.DISCUSSION...

HIGH PRESSURE WILL MOVE EASTWARD TODAY WITH WINDS PICKING UP OUT
OF THE SOUTH/SOUTHEAST BY AFTERNOON. LIGHT SNOW WILL DEVELOP ACROSS THE
AREA LATE TONIGHT...BECOMING LIKELY WITH 2 TO 3 INCHES OF ACCUMULATION
BY TUESDAY AFTERNOON. IN ADDITION...STRONG NORTHWESTERLY WINDS WILL
DEVELOP ON TUESDAY...GUSTING IN EXCESS OF 40 MPH AT TIMES. THIS IN
COMBINATION WITH FALLING SNOW WILL RESULT IN VISIBILITIES AS LOW AS A
QUARTER OF A MILE INTO THE LATE AFTERNOON.

.TODAY...

MAX TEMPERATURE.....26-31.
MIN HUMIDITY........63 PERCENT.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR PC  PC  MC  MC  MC  MC  MC  CDY CDY CDY
% SKY COVER.....15  24  34  43  54  66  77  81  85  89  92  96
WEATHER COV.....
WEATHER TYPE....
TEMP............5   8   10  14  18  22  24  27  29  29  29  28
RH..............72  79  83  77  72  67  68  65  63  69  69  71
DEWPOINT........-2  3   6   8   11  13  15  17  18  20  20  20
20 FT WIND DIR..SW  SW  S   SSE SSE SSE SSE SSE SSE SSE SSE SSE
20 FT WIND SPD..3   5   6   7   9   12  14  15  16  17  17  18
20 FT WIND GUST.5               10  15  20  20  25  25  25  30
SMOKE DISPERSAL.PR  PR  PR  PR  PR  PR  FR  FR  GD  GD  GD  GD
CHC OF PCPN (%).0   0   0   0   0   0   0   0   0   10  10  10
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.6 1.0 1.3 1.5 1.6 1.8 1.6 1.4
TRANSP WIND DIR.SSW S   S   SSE S   S   S   S   S   S   S   S
TRANSP WIND SPD.3   5   6   8   12  16  21  23  25  26  29  30

.TONIGHT...

MIN TEMPERATURE.....21-26.
MAX HUMIDITY........92 PERCENT.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY
% SKY COVER.....99     99     99     97     99     100
WEATHER COV.....                     S CHC  CHANCE LIKELY
WEATHER TYPE....NONE   NONE   NONE   SNOW   SNOW   SNOW
TEMP............27     25     25     25     25     25
RH..............74     81     81     78     78     81
DEWPOINT........20     20     20     19     19     20
20 FT WIND......SSE 18 SSE 20 SSE 20 SSE 18 SSE 14 S 9
20 FT WIND GUST.30     30     30     30     20     10
SMOKE DISPERSAL.FAIR   FAIR   FAIR   FAIR   FAIR   FAIR
CHC OF PCPN (%).10     10     10     20     40     70
MIX HGT (FT)....1200   800    800    1100   1100   1000
TRANSPORT WIND..SSE 30 SSE 25 SSE 25 S 29   S 26   S 20

.TUESDAY...

MAX TEMPERATURE.....24-29.
MIN HUMIDITY........69 PERCENT.

TIME (CST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY MCLDY  MCLDY
% SKY COVER.....100    99     98     97     85     74
WEATHER COV.....DEFNTE DEFNTE DEFNTE CHANCE CHANCE AREAS
WEATHER TYPE....SNOW   SNOW   SNOW   SNOW   SNOW   BLSNOW
TEMP............24     26     26     23     19     15
RH..............92     77     72     75     72     69
DEWPOINT........22     20     19     16     12     7
20 FT WIND......S 6    W 8    NW 18  NNW 31 NNW 33 NNW 30
20 FT WIND GUST.       10     30     45     45     45
SMOKE DISPERSAL.POOR   POOR   FAIR   GOOD   GOOD   GOOD
CHC OF PCPN (%).100    100    90     40     40     10
MIX HGT (FT)....600    900    1000   1100   1500   1500
TRANSPORT WIND..S 12   WSW 7  WNW 17 NW 37  NNW 45 NNW 43

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...JM
REQUESTED BY...ERIC EARHART
TYPE OF REQUEST...PRESCRIBED
.TAG 20150302.WORTH.01/FSD


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