490  
FNUS73 KLMK 231116  
FWSLMK  
 
SPOT FORECAST FOR BLUE GRASS ARMY DEPOT TRACT 3/4...KDFWR  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
716 AM EDT TUE APR 23 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
WINDS WILL INCREASE OUT OF THE SW TODAY AHEAD OF AN APPROACHING  
COLD FRONT. DEEP MIXING AND STRONG TRANSPORT WINDS WILL CREATE  
EXCELLENT SMOKE DISPERSAL, WITH LOW RELATIVE HUMIDITIES THIS  
AFTERNOON. RAIN SHOWERS ARE EXPECTED TONIGHT, WITH THE BEST  
CHANCES SHORTLY AFTER MIDNIGHT. HOWEVER, RAINFALL AMOUNTS WILL BE  
A TENTH OF AN INCH OR LESS. DRY WEATHER AND SLIGHTLY COOLER  
TEMPERATURES RETURN ON WEDNESDAY WITH WINDS FROM THE NW.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY  
SUNNY (60-70 PERCENT).  
TEMPERATURE.........48 AT IGNITION...MAX 71.  
RH..................59 PERCENT AT IGNITION...MIN 26 PERCENT.  
WIND (20 FT)........WINDS SOUTHWEST AT 5 MPH AT  
IGNITION...OTHERWISE SOUTHWEST WINDS 7 TO 14  
MPH. GUSTS UP TO 29 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......400 FT AGL AT IGNITION...MAX 5100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 13 TO 20 MPH INCREASING TO 23 TO 29  
MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR /4800 KNOT-FT/ AT IGNITION.  
MAX...EXCELLENT (110500 KNOT-FT) LATE IN THE  
AFTERNOON.  
LVORI...............2.  
ADI.................13 EARLY IN THE MORNING INCREASING TO 118 IN  
THE AFTERNOON.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........15 11 7 6 6 26 23 37 54 71  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............48 52 57 61 63 65 67 69 70 70  
RH..............59 50 42 36 34 33 30 28 26 27  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..5 6 7 8 9 10 10 10 12 12  
20 FT WIND GUST.6 8 10 13 15 17 18 18 20 20  
MIX HGT (KFT)...0.4 1.4 2.6 3.7 4.3 4.7 4.9 4.8 5.1 4.9  
TRANSP WIND DIR.S SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.13 16 20 23 24 24 24 26 28 29  
LVORI...........2 2 1 1 1 1 1 1 1 1  
ADI.............13 29 57 82 93 97 99 108 115 118  
SDSPL KT-FT/10005 19 44 74 90 98 103 111 122 123  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS  
LIKELY, MAINLY BETWEEN MIDNIGHT AND 3 AM.  
TEMPERATURE.........MIN 53.  
RH..................MAX 83 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 7 TO 13 MPH. GUSTS UP TO 25 MPH  
IN THE EVENING AND OVERNIGHT.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 17 TO 26 MPH SHIFTING TO THE WEST 13  
TO 16 MPH OVERNIGHT.  
SMOKE DISPERSAL.....GOOD (85900 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (5000 KNOT-FT) LATE IN THE  
NIGHT.  
LVORI...............3.  
ADI.................95 EARLY IN THE EVENING DECREASING TO 11 LATE  
IN THE NIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........60 62 52 71 81 87 92 94 91 91 83 69  
WEATHER COV..... CHC CHC CHC CHC LKY LKY CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............69 67 65 62 62 61 59 58 57 56 55 54  
RH..............30 33 37 41 43 48 55 59 67 75 80 82  
20 FT WIND DIR..SW SW SW SW SW SW SW W W W SW W  
20 FT WIND SPD..11 10 10 10 10 10 10 10 9 7 7 6  
20 FT WIND GUST.18 15 15 15 15 14 15 15 13 11 11 10  
MIX HGT (KFT)...3.7 2.0 0.6 0.3 0.5 0.7 0.7 0.7 0.7 0.6 0.6 0.7  
TRANSP WIND DIR.SW SW SW SW SW SW W W W W W W  
TRANSP WIND SPD.26 23 20 18 17 17 17 16 16 15 14 13  
LVORI...........1 1 2 2 2 2 2 2 3 4 4 4  
ADI.............95 31 18 16 15 15 15 14 14 13 12 11  
SDSPL KT-FT/100086 40 11 5 7 11 11 10 10 8 7 7  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING  
SUNNY (10-20 PERCENT).  
TEMPERATURE.........MAX 67.  
RH..................MIN 40 PERCENT.  
WIND (20 FT)........WEST WINDS 6 TO 8 MPH SHIFTING TO THE NORTHWEST  
7 TO 8 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10 TO 13 MPH.  
SMOKE DISPERSAL.....MAX...GOOD (53800 KNOT-FT) IN THE AFTERNOON.  
LVORI...............3.  
ADI.................11 EARLY IN THE MORNING INCREASING TO 71 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........64 63 74 69 65 60 52 44 36 27 18 9  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............54 54 55 56 57 59 62 64 65 66 67 67  
RH..............83 83 80 77 75 67 58 52 48 44 41 40  
20 FT WIND DIR..W W W W NW W NW NW NW NW NW NW  
20 FT WIND SPD..6 6 5 5 5 6 6 6 7 7 7 6  
20 FT WIND GUST.9 9 7 7 7 8 8 9 10 10 10 9  
MIX HGT (KFT)...0.8 1.1 1.5 1.8 2.2 2.6 3.3 4.1 4.7 5.2 5.4 5.0  
TRANSP WIND DIR.W W W NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.13 12 12 12 10 10 10 12 12 12 12 12  
LVORI...........4 4 3 3 3 3 1 1 1 1 1 1  
ADI.............11 16 22 26 27 31 42 56 63 68 71 67  
SDSPL KT-FT/10009 11 15 18 19 24 30 41 47 52 54 50  
 

 
FORECASTER...RAS  
REQUESTED BY...TOM EDWARDS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2411912.0/LMK  
.DELDT 04/23/24  
.FORMATTERVERSION 2.0.0  
.EMAIL THOMAS.EDWARDS@KY.GOV  
 
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