075  
FNUS73 KFSD 071450  
FWSFSD  
 
SPOT FORECAST FOR SKUNK CREEK/BISAILLION WINTER SLASH PILES...U.S. FISH & WILDLIFE SERVICE  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
850 AM CST TUE JAN 7 2020  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
SOME PATCHY VERY LIGHT SNOW WILL BE POSSIBLE INTO EARLY AFTERNOON  
AHEAD OF AN INCOMING WEAK COLD FRONT. MIXING HEIGHTS WILL  
STRUGGLE TO RISE THIS MORNING WITH CLOUDS AND WEAK HEATING.  
BY AFTERNOON THE MIXING HEIGHTS SHOULD RISE A BIT AS NORTHWEST  
WINDS INCREASE AND CLOUDS DECREASE A BIT.  
   
REST OF TODAY
 
 
MAX TEMPERATURE.....26-30.  
MIN HUMIDITY........66 PERCENT.  
 
TIME (CST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC MC MC MC MC PC PC  
SKY (%).........74 82 82 82 77 69 57 47 47  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 10 0 0 0  
TEMP............19 21 23 26 28 28 26 23 21  
DEWPOINT........15 16 17 18 18 18 17 16 14  
RH..............84 81 77 71 66 66 68 74 74  
20 FT WIND DIR..W W W WNW NW NW NW NW NNW  
20 FT WIND SPD..10 10 12 13 14 15 16 15 14  
20 FT WIND GUST. 12 17 17 21 22 23 22 18  
MIX HGT (KFT)...0.3 0.5 0.8 1.1 1.2 1.4 1.5 1.2 0.8  
TRANSP WIND DIR.W W WNW WNW WNW NW NNW NNW NNW  
TRANSP WIND SPD.12 14 16 18 20 21 22 22 22  
HAINES INDEX....4 4 3 3 3 4 4 4 5  
SMOKE DISPERSAL.PR PR PR FR FR FR FR FR FR  
   
TONIGHT
 
 
MIN TEMPERATURE.....1 BELOW TO 3 ABOVE ZERO.  
MAX HUMIDITY........87 PERCENT.  
 
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......PCLDY MCLEAR PCLDY PCLDY PCLDY MCLDY  
SKY (%).........44 25 26 28 40 53  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............17 12 9 6 5 4  
DEWPOINT........12 7 5 3 1 0  
RH..............80 80 83 87 83 83  
20 FT WIND......NNW 12 NNW 9 NNW 9 N 8 N 8 NNE 7  
20 FT WIND GUST.15 12 10 9 8  
MIX HGT (FT)....500 700 1000 1200 700 400  
TRANSPORT WIND..NNW 21 NNW 20 NNW 20 N 18 N 12 NNE 9  
HAINES INDEX....5 4 4 4 4 4  
SMOKE DISPERSAL.POOR POOR FAIR FAIR POOR POOR  
   
WEDNESDAY
 
 
MAX TEMPERATURE.....20-25.  
MIN HUMIDITY........67 PERCENT.  
 
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY  
SKY (%).........61 69 70 65 67 74  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............3 3 5 10 16 18  
DEWPOINT........0 0 1 4 7 10  
RH..............87 87 79 76 67 70  
20 FT WIND......ENE 9 E 9 E 12 ESE 16 ESE 21 ESE 22  
20 FT WIND GUST. 13 20 25 26 29  
MIX HGT (FT)....300 300 500 1000 500 600  
TRANSPORT WIND..ENE 10 E 10 E 16 ESE 25 ESE 25 ESE 28  
HAINES INDEX....4 4 4 3 3 3  
SMOKE DISPERSAL.POOR POOR POOR FAIR POOR POOR  
 

 
FORECASTER...WEISSER  
REQUESTED BY...ERIC EARHART  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2000185.0/FSD  
.DELDT 01/07/20  
.FORMATTERVERSION 1.0.25  
 
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