730  
FNUS73 KSGF 211535  
FWSSGF  
 
SPOT FORECAST FOR SORTORS BLUFF RX UNIT...MO DEPT NATURAL RESOURCES  
NATIONAL WEATHER SERVICE SPRINGFIELD MO  
935 AM CST SUN DEC 21 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON DECEMBER 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT 1-800-762-4363, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
DECREASED AFTERNOON RH BY AROUND 5% TODAY.  
 
EAST-SOUTHEASTERLY WINDS WILL CONTINUE TO TURN CLOCKWISE THROUGHOUT  
TODAY, BECOMING FULLY SOUTHEASTERLY BY MID-AFTERNOON, AND SOUTHERLY  
BY TONIGHT. EXPECT SUSTAINED WINDS UP TO 10MPH, WITH OCCASIONAL  
GUSTS UP TO 18MPH THIS MORNING BEFORE BEGINNING TO SLIGHTLY DIMINISH  
THIS AFTERNOON/EVENING. MINIMUM RH IN THE 20-25% RANGE THIS  
AFTERNOON. POOR VENTILATION RATES THROUGHOUT THE FORECAST PERIOD.  
   
REST OF TODAY  
 
TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........7 7 6 20 34 43 53 58  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
TEMP............41 45 48 50 52 53 52 49  
RH..............43 35 30 27 25 24 26 30  
20 FT WIND DIR..E E SE SE SE SE SE SE  
20 FT WIND SPD..8 8 9 8 8 8 7 7  
20 FT WIND GUST.16 17 17 17 16 17 16 15  
MIX HGT (KFT)...1.5 1.7 2.0 2.1 2.1 2.4 1.6 1.2  
MIX HGT (KM)....0.5 0.5 0.6 0.6 0.6 0.7 0.5 0.4  
TRANSP WIND DIR.E E E SE SE SE SE S  
TRANSP WIND SPD.18 17 17 16 15 15 10 10  
TRANS WIND DIR..E E E SE SE SE SE S  
TRANS SPD (M/S).8 8 8 7 7 7 4 4  
HAINES INDEX....M M M M M M M M  
VRATE KT-FT/1K..24 26 30 29 28 31 15 11  
VENTRATE CAT....PR PR PR PR PR PR PR PR  
   
TONIGHT  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........63 63 63 59 56 43 30 26 22 40 56 66  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............47 45 45 43 42 42 41 42 42 41 42 42  
RH..............32 35 35 36 38 38 39 39 43 48 51 55  
20 FT WIND DIR..SE SE SE SE SE SE S S S S S S  
20 FT WIND SPD..6 7 7 8 9 10 10 10 10 10 10 10  
20 FT WIND GUST.14 14 15 16 16 17 17 17 17 18 18 18  
MIX HGT (KFT)...1.1 1.0 0.6 0.8 0.7 0.6 0.7 0.7 0.7 0.9 0.9 0.8  
MIX HGT (KM)....0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.2  
TRANSP WIND DIR.SE SE SE SE SE S S S S S S S  
TRANSP WIND SPD.12 13 14 14 15 15 17 20 20 18 17 16  
TRANS WIND DIR..SE SE SE SE SE S S S S S S S  
TRANS SPD (M/S).5 6 6 6 7 7 8 9 9 8 8 7  
HAINES INDEX....M M M M M M M M M M M M  
VRATE KT-FT/1K..11 11 7 9 10 8 10 13 12 14 13 11  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
MONDAY  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........80 83 86 82 89 91 87 75 63 37 28 26  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............43 44 44 46 49 52 55 58 60 60 61 59  
RH..............57 60 68 71 74 77 77 75 75 75 72 75  
20 FT WIND DIR..S S S S S S S S SW SW SW SW  
20 FT WIND SPD..10 10 10 9 10 10 10 10 10 10 10 9  
20 FT WIND GUST.17 18 18 18 20 21 21 21 21 21 20 17  
MIX HGT (KFT)...0.8 1.1 1.1 1.2 1.6 1.8 2.2 2.5 2.9 3.2 2.6 1.9  
MIX HGT (KM)....0.2 0.3 0.3 0.4 0.5 0.5 0.7 0.8 0.9 1.0 0.8 0.6  
TRANSP WIND DIR.S S S S S S SW SW SW SW SW SW  
TRANSP WIND SPD.16 17 17 18 22 22 24 25 24 24 20 17  
TRANS WIND DIR..S S S S S S SW SW SW SW SW SW  
TRANS SPD (M/S).7 8 8 8 10 10 11 11 11 11 9 8  
HAINES INDEX....M M M M M M M M M M M M  
VRATE KT-FT/1K..12 17 17 20 30 35 45 56 62 67 45 29  
VENTRATE CAT....PR PR PR PR PR PR FR FR GD GD FR PR  
 
 
FORECASTER...TITUS  
REQUESTED BY...C. CRABTREE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527992.0/SGF  
.DELDT 12/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRISTOPHER.CRABTREE@DNR.MO.GOV  
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