079  
FNUS71 KPHI 181911  
FWSPHI  
 
SPOT FORECAST FOR 519 FIRE...NJ FOREST FIRE SERVICE  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
311 PM EDT WED APR 18 2018  
 
FORECAST IS BASED ON REQUEST TIME OF 1600 EDT ON APRIL 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
A AREA OF LOW PRESSURE WILL MOVE ACROSS THE AREA TONIGHT INTO  
THURSDAY, ALONG WITH ITS ASSOCIATED OCCLUDED, WARM, AND COLD FRONTS.  
THIS LOW WILL DRIFT INTO THE CANADIAN MARITIMES THROUGH FRIDAY,  
WHICH WILL KEEP NORTHWEST FLOW ACROSS THE AREA WITH A COUPLE OF DRY  
SURFACE TROUGHS MOVING ACROSS THE EAST COAST. HIGH PRESSURE WILL  
BUILD INTO THE MID ATLANTIC AND NORTHEAST SATURDAY THROUGH SUNDAY,  
BEFORE MOVING OFFSHORE MONDAY INTO TUESDAY. A COASTAL LOW MAY MOVE  
NORTH ALONG THE COAST AND AFFECT THE AREA DURING THE MIDDLE OF NEXT  
WEEK.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 55.  
MIN HUMIDITY........41 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........WEST WINDS 7 TO 8 MPH.  
MIXING HEIGHT.......5700-5800 FT AGL.  
 
TIME (EDT) 4PM 5PM  
SKY (%).........M 29  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0  
CHC OF PCPN (%).0 0  
LAL.............1 1  
TEMP............49 51  
RH..............44 41  
20 FT WIND DIR..W W  
20 FT WIND SPD..8 8  
20 FT WIND GUST.18 16  
MIX HGT (KFT)...5.7 5.8  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE  
OF RAIN LATE IN THE EVENING, THEN RAIN  
LIKELY AFTER MIDNIGHT.  
CWR.................10 PERCENT INCREASING TO 60 PERCENT.  
CHANCE OF PCPN......60 PERCENT.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 39.  
MAX HUMIDITY........82 PERCENT.  
WIND SHIFT..........SOUTHWEST THIS EVENING, BECOMING EAST THEN  
NORTHEAST AFTER MIDNIGHT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......5800 FT AGL DECREASING TO 300-1000 FT AGL EARLY  
IN THE EVENING.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........M M 51 M M 79 M M 93 M M 95  
WEATHER COV..... SCH CHC CHC CHC CHC LKY LKY LKY LKY  
WEATHER TYPE.... RN RN RN RN RN RN RN RN RN  
TSTM COV........  
CWR.............0 10 10 20 30 40 40 50 60 60 60 60  
CHC OF PCPN (%).0 10 10 20 30 40 40 50 60 60 60 60  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............50 49 48 47 46 45 44 43 42 42 41 41  
RH..............44 48 51 56 60 65 68 73 79 79 82 82  
20 FT WIND DIR..SW SW SW SW S S S E E E NE NE  
20 FT WIND SPD..6 5 3 2 2 2 2 2 2 1 1 1  
20 FT WIND GUST.14 10 8 2  
MIX HGT (KFT)...5.8 5.8 0.3 0.3 0.3 0.6 0.6 0.6 0.9 0.9 0.9 1.0  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN SHOWERS  
LIKELY.  
CWR.................60 PERCENT DECREASING TO 20 PERCENT.  
CHANCE OF PCPN......60 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 43.  
MIN HUMIDITY........65 PERCENT.  
WIND SHIFT..........NORTHEAST IN THE MORNING, BECOMING NORTH THEN  
NORTHWEST IN THE AFTERNOON.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 10 MPH WITH  
GUSTS TO AROUND 23 MPH.  
MIXING HEIGHT.......1000-2900 FT AGL INCREASING TO 4900 FT AGL LATE  
IN THE AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........M M 89 M M 92 M M 86 M M 78  
WEATHER COV.....LKY LKY LKY LKY LKY LKY LKY LKY CHC CHC CHC SCH  
WEATHER TYPE....RN RN RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CWR.............60 60 60 60 60 60 60 60 50 50 50 20  
CHC OF PCPN (%).60 60 60 60 60 60 60 60 50 50 50 20  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............41 41 41 41 42 42 43 43 43 43 43 43  
RH..............82 82 82 82 82 82 76 76 76 73 67 65  
20 FT WIND DIR..NE NE NE NE NE NE N N N N NW NW  
20 FT WIND SPD..3 6 6 6 6 5 6 6 8 9 9 10  
20 FT WIND GUST.4 7 6 8 11 16 18 21 23  
MIX HGT (KFT)...1.0 1.0 1.3 1.3 1.3 1.1 1.1 1.1 2.9 2.9 2.9 4.9  
 

 
 
FORECASTER...ROBERTSON  
REQUESTED BY...CHRIS FRANEK  
TYPE OF REQUEST...WILDFIRE  
.TAG 1806634.1/PHI  
.EMAIL CHRISTOPHER.FRANEK@DEP.NJ.GOV  
 
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