305  
FNUS72 KILM 041108  
FWSILM  
 
SPOT FORECAST FOR 4TH OF JULY - MASONBORO ISLAND...NEW HANOVER CO EM  
NATIONAL WEATHER SERVICE WILMINGTON NC  
708 AM EDT WED JUL 4 2018  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 EDT ON JULY 04.  
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
 
 
A WAVE OF LOW PRESSURE IN THE ATLANTIC APPROACHING FLORIDA WILL  
INCREASE SHOWERS AND THUNDERSTORMS CHANCES ACROSS THE SOUTHEAST  
TODAY AND THURSDAY. RAIN CHANCES WILL INCREASE THIS WEEKEND AS  
A COLD FRONT MOVES IN FROM THE NORTHWEST. HIGH PRESSURE WILL  
BUILD IN FROM THE NORTH MONDAY AND TUESDAY, HELPING TO DRY OUT  
THE REGION.  
 
WIND PROFILE ANALYSIS/FIRE CONTROL OVER FLAT TERRAIN IS FAVORABLE  
 
FOG POTENTIAL FOR TONIGHT...MODERATE  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS  
THROUGH THE DAY. ISOLATED THUNDERSTORMS EARLY  
IN THE MORNING.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........71 PERCENT.  
SURFACE WINDS.......EAST WINDS 9 TO 14 MPH.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........46 48 50 51 53 55 56 57 57 57  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO  
TEMP............76 79 81 83 85 85 85 85 85 84  
RH..............95 89 82 76 73 71 72 73 75 77  
CHC PCPN (%)....30 40 40 40 40 30 30 30 30 30  
SURFACE WND DIR.NE NE NE E E E E E E E  
SURFACE WND SPD.9 9 10 10 11 13 14 14 14 13  
SURFACE WND GST.13 13 13 14 15 16 17 17 17 17  
APARNT TMP (F)..76 78 86 90 93 94 94 94 94 93  
VSBY (SM).......10 10 10 10 10 10 10 10 10 10  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (45-55 PERCENT). CHANCE OF  
SHOWERS AND ISOLATED THUNDERSTORMS.  
CHANCE OF PCPN......40 PERCENT.  
MIN TEMPERATURE.....AROUND 74.  
MAX HUMIDITY........96 PERCENT.  
SURFACE WINDS.......EAST WINDS 8 TO 13 MPH.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........58 58 58 56 54 52 50 48 46 48 50 52  
WEATHER COV.....CHC CHC SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO  
TEMP............83 82 81 80 79 79 78 78 77 76 75 74  
RH..............78 78 79 80 82 83 83 84 86 89 92 95  
CHC PCPN (%)....30 30 20 30 30 30 30 30 30 30 40 40  
SURFACE WND DIR.E E E E E E E E E E E E  
SURFACE WND SPD.13 11 11 10 10 10 10 9 9 8 8 8  
SURFACE WND GST.16 15 15 14 14 13 13 13 12 10 10 9  
APARNT TMP (F)..91 89 86 85 83 79 78 78 77 76 75 74  
VSBY (SM).......10 10 10 10 10 10 10 10 10 10 10 10  
 

 
FORECASTER...KEEBLER  
REQUESTED BY...ZAKARE WHICKER  
TYPE OF REQUEST...OTHER  
.TAG 1812345.0/ILM  
.DELDT 07/04/18  
.EMAIL ZWHICKER@NHCGOV.COM  
 
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