327  
FNUS72 KILM 201801  
FWSILM  
 
SPOT FORECAST FOR OVER LYON...NORTH CAROLINA  
NATIONAL WEATHER SERVICE WILMINGTON NC  
201 PM EDT MON JUL 20 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1400 EDT ON JULY 20.  
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.  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING  
 
   
DISCUSSION  
 
ABOVE-NORMAL HEAT AND HUMIDITY WITH SCATTERED SHOWERS AND ISOLATED  
STRONG TO SEVERE STORMS POSSIBLE.  
 
WIND PROFILE ANALYSIS/FIRE CONTROL OVER FLAT TERRAIN IS FAVORABLE.  
 
FOG POTENTIAL FOR TONIGHT IS NONE.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
AFTERNOON, THEN CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON.  
CHANCE OF THUNDER...30 PERCENT.  
MAX TEMPERATURE.....AROUND 96.  
MIN HUMIDITY........52 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MAX MIXING HGT......6100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 13 TO 14 MPH.  
MAX VENT RATE.......GOOD (83976 MPH-FT).  
MAX LVORI...........1.  
MAX ADI.............91.  
CHANCE OF LIGHTNING.30 PERCENT.  
 
TIME (EDT) 2PM 3PM 4PM 5PM  
SKY (%).........48 54 53 54  
WEATHER COV.....SCH CHC CHC CHC  
WEATHER TYPE....RW RW RW RW  
TSTM COV........SCH CHC CHC CHC  
CHC OF THDR (%).20 30 30 30  
CHC OF LTNG (%).20 30 30 30  
TEMP............95 95 94 92  
RH..............53 53 55 58  
20 FT WIND DIR..SW SW S S  
20 FT WIND SPD..5 5 5 6  
20 FT WIND GUST.9 9 9 10  
MIX HGT (KFT)...5.9 6.1 4.8 3.8  
TRANSP WIND DIR.W SW SW SW  
TRANSP WIND SPD.13 14 13 14  
STABILITY.......A C C C  
LVORI...........1 1 1 1  
ADI.............91 62 51 50  
VRATE MPH-FT/1K.74 84 60 52  
VENTRATE CAT....GD GD GD FR  
SFC PRES (IN)...987 987 987 984  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
LATE IN THE EVENING.  
CHANCE OF THUNDER...30 PERCENT.  
MIN TEMPERATURE.....AROUND 75.  
MAX HUMIDITY........95 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.  
MIN MIXING HGT......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 13 TO 17 MPH.  
MIN VENT RATE.......POOR (5443 MPH-FT).  
MAX LVORI...........6.  
MIN ADI.............6.  
CHANCE OF LIGHTNING.30 PERCENT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........54 51 63 65 66 68 67 64 64 45 31 54  
WEATHER COV.....CHC CHC CHC SCH SCH  
WEATHER TYPE....RW RW RW RW RW  
TSTM COV........CHC CHC CHC SCH SCH  
CHC OF THDR (%).30 30 30 20 20 10 10 0 0 0 0 0  
CHC OF LTNG (%).30 30 30 20 20 10 10 0 0 0 0 0  
TEMP............90 88 84 83 81 80 79 79 78 78 77 77  
RH..............63 68 77 80 83 87 87 87 88 90 91 92  
20 FT WIND DIR..S S S S S S S SW SW SW SW SW  
20 FT WIND SPD..6 6 5 5 3 3 2 2 2 2 2 2  
20 FT WIND GUST.10 10 9 9 8 8 7 7 7 7 7 7  
MIX HGT (KFT)...3.1 2.5 1.2 0.7 0.7 0.6 0.5 0.4 0.5 0.4 0.5 0.5  
TRANSP WIND DIR.S S S S S S S SW SW SW SW SW  
TRANSP WIND SPD.15 16 17 14 14 15 15 15 15 13 14 13  
STABILITY.......E E E E E F F F F F F F  
LVORI...........2 3 4 4 4 5 5 5 5 6 5 6  
ADI.............10 11 12 9 9 7 7 7 7 6 6 6  
VRATE MPH-FT/1K.47 40 21 9 9 8 7 7 7 5 6 6  
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR  
SFC PRES (IN)...984 984 985 985 985 988 988 988 986 986 986 987  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS  
LATE IN THE AFTERNOON, THEN SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE  
AFTERNOON.  
CHANCE OF THUNDER...30 PERCENT.  
MAX TEMPERATURE.....AROUND 95.  
MIN HUMIDITY........55 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 6 TO 9 MPH WITH  
GUSTS TO AROUND 20 MPH IN THE LATE MORNING AND  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE AFTERNOON.  
MAX MIXING HGT......4800 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 13 TO 22 MPH.  
MAX VENT RATE.......GOOD (87919 MPH-FT).  
MAX LVORI...........5.  
MAX ADI.............102.  
CHANCE OF LIGHTNING.30 PERCENT.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........30 28 27 35 19 49 53 45 56 56 55 37  
WEATHER COV..... SCH SCH CHC CHC CHC SCH  
WEATHER TYPE.... RW RW RW RW RW RW  
TSTM COV........ SCH SCH CHC CHC CHC SCH  
CHC OF THDR (%).0 0 10 10 10 10 20 20 30 30 30 20  
CHC OF LTNG (%).0 0 10 10 10 10 20 20 30 30 30 20  
TEMP............76 77 79 82 86 88 90 92 92 93 94 92  
RH..............95 95 95 88 78 73 67 62 61 59 55 58  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW S SW S  
20 FT WIND SPD..2 3 3 6 6 6 7 7 7 8 9 8  
20 FT WIND GUST.7 7 9 12 13 14 14 15 18 19 20 19  
MIX HGT (KFT)...0.5 0.8 1.7 2.4 3.4 4.1 4.5 4.8 4.1 4.5 2.9 3.2  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.13 13 16 17 18 18 18 18 18 20 21 22  
STABILITY.......A A A A B B C B C C C B  
LVORI...........5 5 4 4 3 3 1 1 1 1 1 1  
ADI.............12 13 35 54 76 90 73 102 69 77 65 86  
VRATE MPH-FT/1K.6 10 27 42 62 76 83 88 75 88 60 70  
VENTRATE CAT....PR PR PR FR GD GD GD GD GD GD GD GD  
SFC PRES (IN)...987 987 992 992 992 991 991 991 988 988 988 984  
 
 
FORECASTER...ZOUZIAS  
REQUESTED BY...SAFETY OFFICER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2617811.0/ILM  
.DELDT 07/20/26  
.FORMATTERVERSION 2.0.0  
.EMAIL THOMAS.CRATE@NCPARKS.GOV  
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