639  
FNUS73 KFSD 221318  
FWSFSD  
 
SPOT FORECAST FOR BLACK RUSH WPA PILES...USFWS  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
818 AM CDT THU AUG 22 2019  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
WINDS WILL BE LIGHT AND A BIT VARIABLE THROUGH MUCH OF THE  
MORNING. DURING THE AFTERNOON THEY SHOULD TEND TO BE EASTERLY  
AT ABOUT 5 TO 8 MPH, BUT THERE WILL STILL BE A CHANCE FOR  
SOME VARIABILITY DUE TO THE EFFECTS OF THE LINGERING HIGH  
PRESSURE.  
   
REST OF TODAY
 
 
MAX TEMPERATURE.....72-77.  
MIN HUMIDITY........50 PERCENT.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR CLR MCR MCR MCR MCR MCR MCR MCR  
SKY (%).........6 4 7 11 14 14 14 14 10  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
TEMP............61 65 68 70 72 74 74 75 75  
DEWPOINT........55 56 56 55 53 54 54 55 55  
RH..............81 73 65 58 51 50 50 50 50  
20 FT WIND DIR..E E E E E E E E E  
20 FT WIND SPD..3 5 6 6 7 6 6 6 6  
20 FT WIND GUST.7 8 8 8 7 7 7 8  
MIX HGT (KFT)...0.6 0.8 1.6 2.5 3.3 3.3 3.2 3.2 3.2  
TRANSP WIND DIR.ENE E E ESE ESE ESE ESE ESE ESE  
TRANSP WIND SPD.7 9 10 10 10 10 9 9 10  
HAINES INDEX....4 4 4 3 3 3 3 3 3  
SMOKE DISPERSAL.PR PR PR FR FR FR FR FR FR  
   
TONIGHT
 
 
MIN TEMPERATURE.....49-54.  
MAX HUMIDITY........96 PERCENT.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR CLEAR CLEAR CLEAR CLEAR CLEAR  
SKY (%).........7 3 2 3 3 4  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............74 67 61 57 54 53  
DEWPOINT........55 56 54 53 52 51  
RH..............51 68 78 86 93 93  
20 FT WIND......E 7 E 7 ESE 6 SE 7 SSE 6 SSE 6  
20 FT WIND GUST.9 9 8 9 9 9  
MIX HGT (FT)....3200 3200 300 300 300 300  
TRANSPORT WIND..ESE 12 ESE 10 ESE 7 SE 7 SE 8 SSE 7  
HAINES INDEX....3 3 4 4 4 4  
SMOKE DISPERSAL.FAIR FAIR POOR POOR POOR POOR  
   
FRIDAY
 
 
MAX TEMPERATURE.....74-79.  
MIN HUMIDITY........60 PERCENT.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR  
SKY (%).........6 11 6 12 16 21  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............52 56 66 71 74 76  
DEWPOINT........51 53 57 58 60 61  
RH..............96 90 73 63 62 60  
20 FT WIND......SSE 6 SSE 7 SSE 9 SE 12 SE 13 SSE 13  
20 FT WIND GUST.9 10 15 17 18 18  
MIX HGT (FT)....300 600 1200 2000 2500 2700  
TRANSPORT WIND..SSE 7 SSE 10 SE 17 SE 17 SE 17 SE 18  
HAINES INDEX....4 4 4 4 4 4  
SMOKE DISPERSAL.POOR POOR FAIR FAIR GOOD GOOD  
 

 
FORECASTER...WEISSER  
REQUESTED BY...KYLE AVESING  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1914187.0/FSD  
.DELDT 08/22/19  
.FORMATTERVERSION 1.0.25  
 
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