998  
FNUS72 KILM 100935  
FWSILM  
 
SPOT FORECAST FOR BLACK RIVER RX...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE WILMINGTON NC  
535 AM EDT FRI MAY 10 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON MAY 10.  
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
 
 
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO  
DEVELOP THIS AFTERNOON AHEAD OF A COLD FRONT. SOME STORMS COULD  
BE STRONG OR SEVERE. THE FRONT WILL MOVE OFF THE COAST EARLY THIS  
EVENING. HIGH PRESSURE WITH NEAR NORMAL TEMPS AND LOWER DAYTIME  
RH WILL DOMINATE THIS WEEKEND INTO EARLY NEXT WEEK.  
 
WIND PROFILE ANALYSIS/FIRE CONTROL OVER FLAT TERRAIN IS FAVORABLE.  
 
FOG POTENTIAL FOR TONIGHT IS NONE.  
   
REST OF TODAY
 
 
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.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........65 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH IN  
THE LATE MORNING AND AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN  
THE AFTERNOON.  
MAX MIXING HGT......3000 FT AGL.  
TRANSPORT WINDS.....WEST 14 TO 18 MPH.  
MAX VENT RATE.......FAIR (51199 MPH-FT).  
MAX LVORI...........4.  
MAX ADI.............63.  
HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........43 48 53 57 63 69 74 75 76 77  
WEATHER COV..... SCH CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH CHC CHC CHC CHC  
TEMP............69 72 75 78 79 79 80 79 79 78  
RH..............90 82 74 68 67 66 65 66 67 68  
20 FT WIND DIR..W W W W W SW SW SW W W  
20 FT WIND SPD..4 4 5 5 6 6 6 7 7 7  
20 FT WIND GUST.7 7 8 9 10 11 12 12 12 12  
MIX HGT (KFT)...1.0 1.3 1.6 2.4 2.7 2.5 3.0 2.3 2.4 2.1  
TRANSP WIND DIR.W W W W W W W W SW W  
TRANSP WIND SPD.14 14 14 15 17 16 17 17 18 17  
STABILITY.......A A B B B B B B B C  
LVORI...........4 3 3 1 1 1 1 1 1 1  
ADI.............17 23 28 45 59 50 63 51 56 44  
HAINES INDEX....5 5 5 5 5 5 3 3 3 3  
VRATE MPH-FT/1K.13 18 22 35 47 40 51 40 44 36  
VENTRATE CAT....PR PR PR PR FR PR FR PR FR PR  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING  
PARTLY CLOUDY (25-35 PERCENT). RAIN SHOWERS  
LIKELY AND CHANCE OF THUNDERSTORMS IN THE  
EVENING.  
MIN TEMPERATURE.....AROUND 54.  
MAX HUMIDITY........87 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 7 MPH SHIFTING TO THE  
NORTH 5 TO 6 MPH IN THE LATE EVENING AND  
OVERNIGHT, THEN BECOMING LIGHT EARLY IN THE  
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS IN THE EVENING.  
MIN MIXING HGT......400 FT AGL.  
TRANSPORT WINDS.....WEST 15 TO 16 MPH SHIFTING TO THE NORTH 14 TO  
17 MPH EARLY IN THE EVENING.  
MIN VENT RATE.......POOR (6394 MPH-FT).  
MAX LVORI...........5.  
MIN ADI.............6.  
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........75 74 72 56 41 26 27 28 29 24 20 15  
WEATHER COV.....LKY LKY CHC CHC CHC SCH  
WEATHER TYPE....RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC  
TEMP............75 73 70 68 67 65 63 61 60 59 58 57  
RH..............73 77 84 84 85 87 87 87 86 86 85 86  
20 FT WIND DIR..W W NW NW NW NW NW N N N N N  
20 FT WIND SPD..7 6 6 6 5 5 5 6 6 5 5 4  
20 FT WIND GUST.12 11 11 9 9 9 9 9 10 9 9 8  
MIX HGT (KFT)...1.5 1.0 0.5 0.5 0.5 0.4 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.W W N NW N N N N N N N N  
TRANSP WIND SPD.16 15 16 15 15 15 16 15 17 15 14 14  
STABILITY.......C E E E E F F F F F F F  
LVORI...........3 4 4 4 4 5 5 5 4 4 4 5  
ADI.............32 10 11 10 10 7 7 7 8 7 6 6  
HAINES INDEX....3 3 4 4 4 4 4 4 4 4 4 4  
VRATE MPH-FT/1K.25 15 8 7 7 7 7 7 9 7 6 7  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........42 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTH AROUND 5 MPH IN THE  
MORNING AND EARLY AFTERNOON, THEN BECOMING  
LIGHT EARLY IN THE AFTERNOON BECOMING NORTHWEST  
AROUND 5 MPH LATE IN THE AFTERNOON.  
MAX MIXING HGT......6500 FT AGL.  
TRANSPORT WINDS.....NORTH 12 TO 17 MPH SHIFTING TO THE NORTHWEST 14  
TO 15 MPH LATE IN THE AFTERNOON.  
MAX VENT RATE.......GOOD (97437 MPH-FT).  
MAX LVORI...........5.  
MAX ADI.............118.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........13 8 4 3 3 3  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............56 57 62 68 72 74  
RH..............87 85 68 54 46 42  
20 FT WIND......N 4 N 5 N 5 N 5 NW 4 W 5  
20 FT WIND GUST.8 8 9 9 8 9  
MIX HGT (FT)....600 1900 3300 4800 6000 6300  
TRANSPORT WIND..N 14 N 17 N 16 N 13 NW 12 NW 14  
STABILITY.......F A A A A A  
LVORI...........5 4 1 1 1 1  
ADI.............6 44 68 76 84 106  
HAINES INDEX....4 4 4 4 4 4  
VRATE MPH-FT/1K.8 34 53 61 69 87  
VENTRATE CAT....POOR POOR FAIR GOOD GOOD GOOD  
 

 
FORECASTER...MORGAN  
REQUESTED BY...NATHAN BURMESTER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2413679.0/ILM  
.DELDT 05/10/24  
.FORMATTERVERSION 2.0.0  
.EMAIL NATHAN.BURMESTER@TNC.ORG  
 
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