520  
FNUS72 KILM 221002  
FWSILM  
 
SPOT FORECAST FOR JOHNSON RX 3/22...TNC  
NATIONAL WEATHER SERVICE WILMINGTON NC  
602 AM EDT SUN MAR 22 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON MARCH 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...OR IF YOU HAVE QUESTIONS  
OR CONCERNS ABOUT THIS FORECAST...CONTACT THE NATIONAL WEATHER  
SERVICE IN WILMINGTON AT 910-762-1374.  
   
DISCUSSION  
 
RECORD HEAT TODAY WITH HIGH TEMPS NEAR 90F. SEA BREEZE WILL LEAD  
TO A SLIGHT BACKING OF THE WINDS TO SOUTHERLY LATE AFTERNOON.  
FORECASTED WIND GUSTS ARE 15-20 MPH, BUT THERE MAY BE AN OCCASIONAL  
GUST TO 25 MPH IN THE AFTERNOON. WELL ABOVE NORMAL TEMPERATURES  
CONTINUE MONDAY. A COLD FRONT PASSAGE ON MONDAY WILL BE LIMITED IN  
MOISTURE AND FOLLOWED BY LOW DEWPOINTS ON TUESDAY.  
 
WIND PROFILE ANALYSIS/FIRE CONTROL OVER FLAT TERRAIN IS FAVORABLE.  
 
FOG POTENTIAL FOR TONIGHT IS NONE.  
   
TODAY  
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........43 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH LATE  
IN THE MORNING.  
MAX MIXING HGT......5400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 14 MPH INCREASING TO 17 TO 22  
MPH LATE IN THE AFTERNOON.  
MAX VENT RATE.......GOOD (100037 MPH-FT).  
MAX LVORI...........6.  
MAX ADI.............99.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........25 23 21 16 10 5 4 2 2 1 1 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............57 57 57 63 69 74 78 81 84 85 85 85  
RH..............96 97 97 83 72 63 54 49 44 43 43 44  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..1 1 1 2 3 5 5 6 7 7 8 9  
20 FT WIND GUST.3 3 3 5 6 8 10 11 13 14 14 15  
MIX HGT (KFT)...0.3 0.4 0.3 0.5 0.9 1.5 2.5 3.8 5.0 5.4 5.1 3.9  
TRANSP WIND DIR.SW SW SW W SW SW W W W W SW SW  
TRANSP WIND SPD.7 7 7 7 7 10 12 14 17 18 20 22  
STABILITY.......A A A B B B B B B C C C  
LVORI...........6 6 6 4 3 2 1 1 1 1 1 1  
ADI.............7 7 7 7 8 20 36 63 99 79 81 81  
VRATE MPH-FT/1K.2 3 2 4 6 15 29 52 86 100 99 86  
VENTRATE CAT....PR PR PR PR PR PR PR FR GD VGD GD GD  
SFC PRES (IN)...986 986 990 990 990 991 991 991 986 986 986 981  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........81 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 8 MPH. GUSTS UP TO 20 MPH  
IN THE EVENING AND OVERNIGHT.  
MIN MIXING HGT......500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 16 TO 18 MPH.  
MIN VENT RATE.......POOR (9063 MPH-FT).  
MAX LVORI...........4.  
MIN ADI.............7.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 6 9 7 4 1 1 1 1 1 1 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............81 76 73 69 67 67 67 66 66 65 64 64  
RH..............50 56 60 67 70 70 70 70 72 73 75 76  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..8 7 6 6 6 6 6 6 6 6 6 6  
20 FT WIND GUST.17 17 14 14 14 14 13 13 12 11 11 11  
MIX HGT (KFT)...1.6 0.6 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW W W  
TRANSP WIND SPD.18 17 17 17 17 17 17 17 16 16 16 17  
STABILITY.......E E F F F F F F F F F F  
LVORI...........2 2 3 3 3 3 3 3 3 3 3 4  
ADI.............12 12 8 8 8 8 8 8 7 7 7 8  
VRATE MPH-FT/1K.29 10 9 9 9 10 11 10 10 9 10 10  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
SFC PRES (IN)...981 981 982 982 982 984 984 984 981 981 981 978  
   
MONDAY  
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS EARLY IN THE AFTERNOON.  
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE  
AFTERNOON.  
CHANCE OF THUNDER...30 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........WEST WINDS 6 TO 8 MPH SHIFTING TO THE NORTH  
AROUND 7 MPH LATE IN THE AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE  
IN THE AFTERNOON.  
MAX MIXING HGT......5300 FT AGL.  
TRANSPORT WINDS.....WEST 15 TO 22 MPH SHIFTING TO THE NORTH AROUND  
22 MPH LATE IN THE AFTERNOON.  
MAX VENT RATE.......EXCELLENT (110366 MPH-FT).  
MAX LVORI...........4.  
MAX ADI.............88.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 1 0 3 7 10 19 32 43 57 65 60  
WEATHER COV..... SCH CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ SCH CHC CHC CHC  
CHC OF THDR (%).0 0 0 0 0 0 0 0 30 30 30 20  
TEMP............64 64 64 68 73 77 80 83 84 82 79 76  
RH..............77 79 81 69 61 56 51 48 46 49 54 59  
20 FT WIND DIR..SW SW SW SW W W W W W NW N N  
20 FT WIND SPD..6 6 6 7 7 8 8 8 8 7 7 7  
20 FT WIND GUST.11 11 11 13 14 14 14 14 14 14 13 13  
MIX HGT (KFT)...0.7 0.7 0.8 1.7 2.0 2.3 3.6 4.4 5.3 4.3 3.4 2.4  
TRANSP WIND DIR.W SW W W W W W NW NW NW N N  
TRANSP WIND SPD.16 15 15 22 21 21 21 21 21 21 22 22  
STABILITY.......B B B B B C C C C D D D  
LVORI...........3 4 4 1 1 1 1 1 1 1 1 1  
ADI.............17 16 16 47 52 57 73 81 88 61 54 46  
VRATE MPH-FT/1K.11 10 11 36 41 48 74 92 110 92 72 52  
VENTRATE CAT....PR PR PR PR FR FR GD GD VGD GD GD FR  
SFC PRES (IN)...978 978 978 978 978 980 980 980 979 979 979 987  
 
 
FORECASTER...OLIVA  
REQUESTED BY...ZACH WEST  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2607073.0/ILM  
.DELDT 03/22/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ZWEST@TNC.ORG  
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