348  
FNUS73 KFSD 081443  
FWSFSD  
 
SPOT FORECAST FOR NWS TEST NEW NWS SPOT BUILD...NWS  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
943 AM CDT FRI SEP 8 2017  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
TESTING THE NEW NWS SPOT BUILD. IT APPEARS TO BE RUNNING GOOD.  
 
   
REST OF TODAY
 
 
MAX TEMPERATURE.....75-80.  
MIN HUMIDITY........45 PERCENT.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR MCR MCR CLR MCR MCR MCR MCR  
SKY (%).........13 18 11 3 7 10 13 12  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
TEMP............64 68 72 75 77 78 78 78  
DEWPOINT........54 56 58 59 59 57 55 56  
RH..............70 65 61 58 53 49 45 47  
20 FT WIND DIR..ENE ENE E E E E E E  
20 FT WIND SPD..8 9 12 12 12 13 13 13  
20 FT WIND GUST. 14 14 14 14 15 16 17  
MIX HGT (KFT)...0.8 1.5 2.1 2.7 3.1 3.4 3.8 3.6  
TRANSP WIND DIR.E E E E E ESE ESE E  
TRANSP WIND SPD.14 15 15 15 16 15 15 15  
HAINES INDEX....5 5 5 5 5 4 4 4  
SMOKE DISPERSAL.PR FR FR GD GD GD GD GD  
   
TONIGHT
 
 
MIN TEMPERATURE.....53-58.  
MAX HUMIDITY........86 PERCENT.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR MCLEAR MCLEAR PCLDY PCLDY MCLDY  
SKY (%).........12 15 22 38 48 52  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 10 10  
TEMP............76 70 64 61 60 58  
DEWPOINT........56 57 57 56 55 54  
RH..............50 63 78 84 84 86  
20 FT WIND......E 13 E 13 E 13 E 12 ESE 10 ESE 9  
20 FT WIND GUST.17 17 16 15 13 10  
MIX HGT (FT)....3400 300 300 300 300 300  
TRANSPORT WIND..E 15 E 14 E 14 E 14 ESE 13 ESE 10  
HAINES INDEX....4 4 5 5 5 5  
SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR  
   
SATURDAY
 
 
MAX TEMPERATURE.....75-80.  
MIN HUMIDITY........52 PERCENT.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY  
SKY (%).........55 55 52 52 54 61  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).10 0 0 0 10 10  
TEMP............56 58 65 71 76 78  
DEWPOINT........53 55 57 58 58 59  
RH..............90 90 75 63 54 52  
20 FT WIND......ESE 8 ESE 9 SE 10 SE 12 SSE 14 SSE 15  
20 FT WIND GUST.9 10 13 15 18 21  
MIX HGT (FT)....300 300 300 2000 3600 5100  
TRANSPORT WIND..ESE 9 ESE 9 SE 12 SSE 18 S 24 S 25  
HAINES INDEX....5 5 6 5 4 5  
SMOKE DISPERSAL.POOR POOR POOR FAIR EXCEL EXCEL  
   
FORECAST DAYS 3 THROUGH 5
 
   
SUNDAY
 
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
60 TO 65. HIGHS 80 TO 85. SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 29 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
MONDAY
 
 
PARTLY CLOUDY. LOWS 60 TO 65. HIGHS 80 TO 85. SOUTH WINDS 13 TO  
18 MPH WITH GUSTS TO AROUND 26 MPH.    
TUESDAY
 
 
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 80 TO 85. EAST WINDS 5 TO  
7 MPH.  
 

 
FORECASTER...MJ  
REQUESTED BY...M FUHS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1715593.0/FSD  
 
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