081  
FNUS74 KOHX 220013  
FWSOHX  
 
SPOT FORECAST FOR CHECKERBOARD FARM RX...TDA TDF  
NATIONAL WEATHER SERVICE NASHVILLE TN  
713 PM CDT WED MAY 21 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1900 CDT ON MAY 21.  
PLEASE CONTACT OUR OFFICE AT (615)754-8502, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
LOW CHANCE FOR RAIN TONIGHT AND INTO THURSDAY MORNING, HOWEVER,  
ANY ACCUMULATIONS ARE EXPECTED TO BE LIGHT AT AROUND A TENTH OR  
LESS. GUSTY WESTERLY WINDS FROM THIS AFTERNOON WILL TAPER OFF  
AFTER SUNSET, BUT WILL STRENGTHEN AGAIN THURSDAY AFTERNOON WITH  
GUSTS OF 15 TO 20 MPH. AFTERNOON HUMIDITY VALUES ARE EXPECTED TO  
STAY ABOVE 45 PERCENT WITH GOOD TO EXCELLENT OVERNIGHT RECOVERIES.  
 
   
REST OF TONIGHT  
 
TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........2 1 1 2 13 13 17 39 66 61 59  
WEATHER COV..... SCH CHC SCH  
WEATHER TYPE.... RW RW RW  
TEMP............72 69 66 65 63 62 61 61 61 60 59  
RH..............53 61 68 70 72 75 78 78 78 81 80  
20FT WIND DIR...W W W W W W W W W NW NW  
20FT WIND SPD...6 5 3 2 2 2 2 2 2 2 2  
20FT WIND GUST..16 14 13 12 12 10 9 10 10 10 10  
MIX HGT (KFT)...0.6 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.5 0.5  
MIX HGT (KM)....0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.2 0.2  
TRANSP WIND DIR.W W W W W NW NW NW NW NW NW  
TRANSP WIND SPD.14 10 10 10 10 9 8 8 8 12 10  
TRANS SPD (M/S).6 4 4 4 4 4 4 4 4 5 4  
DISPERSION IDX..8 5 5 5 5 4 4 4 4 5 5  
LVORI...........2 3 3 3 3 4 4 4 4 4 4  
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 10 10  
   
THURSDAY  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........58 65 62 36 26 42  
WEATHER COV.....S CHC S CHC S CHC S CHC  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR NONE NONE  
TEMP............58 61 66 72 75 75  
RH..............87 81 65 53 48 46  
20FT WIND DIR...W W W W W W  
20FT WIND SPD...2 2 5 6 6 6  
20FT WIND GUST..10 12 14 15 16 16  
MIX HGT (FT)....600 800 1800 3400 4400 4400  
MIX HGT (M).....180 240 550 1040 1340 1340  
TRANSPORT WIND..NW 10 W 10 W 14 W 16 W 15 W 15  
TRAN WIND (M/S).NW 4 W 4 W 6 W 7 W 7 W 7  
CHC OF THDR (%).10 10 10 10 10 10  
   
THURSDAY NIGHT  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........28 22 26 28 39 46 39 40 35 37 31 22  
WEATHER COV.....  
WEATHER TYPE....  
TEMP............73 69 66 63 61 60 59 58 56 54 53 52  
RH..............51 61 68 75 78 81 80 80 86 90 89 93  
20FT WIND DIR...W W W W NW NW N N N N N N  
20FT WIND SPD...5 3 2 2 2 2 2 2 1 1 1 1  
20FT WIND GUST..14 13 10 9 9 9 8 8 8 8 7 7  
MIX HGT (KFT)...3.1 1.0 0.5 0.5 0.5 0.6 0.6 0.6 0.7 0.8 1.0 0.9  
MIX HGT (KM)....0.9 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3  
TRANSP WIND DIR.W W W W NW N N N N N N N  
TRANSP WIND SPD.13 12 7 7 7 10 10 10 12 10 9 8  
TRANS SPD (M/S).6 5 3 3 3 4 4 4 5 4 4 4  
DISPERSION IDX..39 12 3 3 3 6 7 7 8 9 9 7  
LVORI...........1 2 3 4 4 4 4 4 5 5 5 6  
CHC OF THDR (%).10 10 10 10 10 10 10 0 0 0 0 0  
   
FRIDAY  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........14 7 5 4 2 4 6 7 9 12 14 14  
WEATHER COV.....  
WEATHER TYPE....  
TEMP............53 53 56 60 63 66 68 70 71 72 72 71  
RH..............91 86 76 68 60 54 49 46 44 43 43 46  
20FT WIND DIR...N N N N N N N N N N N N  
20FT WIND SPD...1 1 1 2 2 2 3 3 3 2 2 2  
20FT WIND GUST..6 6 7 8 9 10 10 10 10 10 9 8  
MIX HGT (KFT)...0.7 0.4 1.8 3.1 4.1 4.7 5.1 5.3 5.7 6.0 5.6 4.0  
MIX HGT (KM)....0.2 0.1 0.5 0.9 1.2 1.4 1.6 1.6 1.7 1.8 1.7 1.2  
TRANSP WIND DIR.N N N N N N N NW NW NW NW NW  
TRANSP WIND SPD.6 5 7 9 10 10 10 9 9 10 10 9  
TRANS SPD (M/S).3 2 3 4 4 4 4 4 4 4 4 4  
DISPERSION IDX..4 2 13 28 42 49 52 48 53 62 58 37  
LVORI...........6 7 4 3 1 1 1 1 1 1 1 1  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
 
 
 
WIND SPEEDS ARE IN MPH UNLESS OTHERWISE NOTED.  
 
FORECASTER...ALYSSA CLEMENTS  
REQUESTED BY...CHRISTY GEARHISER-JOHNSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514489.0/OHX  
.DELDT 05/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRISTY.GEARHISER@TN.GOV  
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