083  
FXUS61 KPHI 220525  
AFDPHI  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
125 AM EDT WED APR 22 2026  
   
WHAT HAS CHANGED
 
 
THE AVIATION SECTION HAS BEEN UPDATED.  
 

 
   
KEY MESSAGES
 
 
1. WEAK LOW PRESSURE WILL CROSS THROUGH THE AREA LATE TONIGHT  
INTO WEDNESDAY BRINGING THE CHANCE FOR SOME LIGHT SHOWERS.  
 
2. HIGH PRESSURE BUILDS INTO THE REGION FOR THE END OF THE WORK  
WEEK WITH ABOVE NORMAL TEMPERATURES.  
 
3. LOW PRESSURE WILL BRING WIDESPREAD RAINFALL TO THE REGION  
THIS WEEKEND.  
 

 
   
DISCUSSION
 
 
KEY MESSAGE 1...WEAK LOW PRESSURE WILL CROSS THROUGH THE AREA  
LATE TONIGHT INTO WEDNESDAY BRINGING THE CHANCE FOR SOME LIGHT  
SHOWERS.  
 
LOW PRESSURE CURRENTLY OVER THE UPPER MIDWEST WILL DIVE SOUTH  
ACROSS THE GREAT LAKES TONIGHT AND ACROSS THE NORTHERN MID-  
ATLANTIC ON WEDNESDAY. SOME LIGHT SHOWERS MAY DEVELOP THIS  
EVENING AS FORCING FOR ASCENT INCREASES AHEAD OF A WARM FRONT,  
MAINLY TO THE NORTH AND WEST OF I-95. SOME LIGHT SHOWERS MAY  
CONTINUE OVERNIGHT, BUT THE GREATER CHANCES FOR SHOWERS WILL  
OCCUR IN THE MORNING HOURS ON WEDNESDAY AS LOW PRESSURE ITSELF  
TRACKS THROUGH THE AREA. ANY RAINFALL WILL BE RATHER LIGHT IN  
NATURE HOWEVER, AS TOTAL QPF WILL GENERALLY RANGE FROM A FEW  
HUNDREDTHS TO PERHAPS A TENTH OR TWO. SHOWER ACTIVITY WILL WANE  
THROUGH WEDNESDAY AFTERNOON WITH SOME BREAKS OF SUN POSSIBLE  
LATE. HIGHS WILL MAINLY BE IN THE UPPER 50S TO UPPER 60S ON  
WEDNESDAY WITH LOWS IN THE UPPER 30S TO UPPER 40S.  
 
KEY MESSAGE 2...HIGH PRESSURE BUILDS INTO THE REGION FOR THE  
END OF THE WORK WEEK WITH ABOVE NORMAL TEMPERATURES.  
 
A WARM FRONT LIFTS NORTH THROUGH THE REGION WEDNESDAY NIGHT,  
THEN HIGH PRESSURE BUILDS OVER THE AREA ON THURSDAY. HIGH  
PRESSURE SLIDES OFFSHORE ON FRIDAY, AND THEN A BACK DOOR COLD  
FRONT SLIDES THROUGH THE REGION FRIDAY AFTERNOON.  
 
CONDITIONS WILL BE DRY WITH TEMPERATURES WARMING TO ABOVE  
NORMAL LEVELS. HIGHS ON THURSDAY WILL TOP OFF IN THE LOW TO MID  
70S THROUGHOUT, THOUGH ON THE WARMER SIDE ACROSS INTERIOR  
PORTIONS OF SOUTHERN NEW JERSEY AND DELMARVA.  
 
HIGH PRESSURE SLIDES OFFSHORE ON FRIDAY AND A BACK DOOR COLD  
FRONT WILL SLIDE SOUTH THROUGH THE REGION. A FEW SHOWERS MAY  
DEVELOP, BUT CONDITIONS WILL OTHERWISE BE MOSTLY DRY AND COOLER  
WITH HIGHS CLOSER TO NORMAL LEVELS. HIGHS WILL TOP OFF IN THE  
LOW TO MID 60S.  
 
KEY MESSAGE 3...LOW PRESSURE WILL BRING WIDESPREAD RAINFALL TO  
THE REGION THIS WEEKEND.  
 
LOW PRESSURE ORGANIZES AND DEVELOPS OVER THE GREAT LAKES FRIDAY  
NIGHT AND DIVES TOWARDS THE NORTHEAST AND MID-ATLANTIC ON  
SATURDAY. SHOWERS ARE LIKELY THROUGHOUT THE DAY, PROVIDING WHAT  
LOOKS TO BE A BENEFICIAL RAINFALL WITH AROUND 1/2 INCH OR SO OF  
RAIN. IT WILL, HOWEVER, BE OUTRIGHT CHILLY WITH HIGHS IN THE 40S  
TO AROUND 50. MOST SHOWERS TAPER OFF SATURDAY NIGHT WITH  
LINGERING SHOWERS INTO SUNDAY. HIGHS WILL STILL ONLY BE IN THE  
50S ON SUNDAY.  
 
DRY AND WARMER ON MONDAY WITH HIGHS IN THE 60S.  
 

 
   
AVIATION /06Z WEDNESDAY THROUGH SUNDAY/
 
 
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG,  
KILG, KMIV, KACY AND SURROUNDING AREAS.  
 
THROUGH 12Z TODAY...PREVAILING VFR. CLOUD COVER WILL INCREASE  
TO BKN OR OVC, WITH CEILINGS GRADUALLY LOWERING. THERE IS A  
SLIGHT CHANCE FOR RAIN SHOWERS, PRIMARILY FOR RDG, ABE, AND THE  
I-95 TERMINALS. SOUTH- SOUTHEAST WINDS AROUND 10 KT WITH  
OCCASIONAL GUSTS UPWARDS OF 20 KT. MODERATE CONFIDENCE.  
 
TODAY...A PERIOD OF MVFR CEILINGS ARE EXPECTED BETWEEN 14-20Z.  
ISOLATED TO SCATTERED SHOWERS MAY OCCUR THROUGH THE MORNING AND  
END FROM NORTHWEST TO SOUTHEAST BETWEEN 15-18Z. CLOUDS SHOULD  
BEGIN TO SCATTER OUT TO VFR AFTERWARDS. SOUTH- SOUTHEAST WINDS  
WILL BECOME NORTH- NORTHWEST AROUND 5-10 KT FROM NORTHWEST TO  
SOUTHEAST BETWEEN 17-21Z. MODERATE CONFIDENCE.  
 
TONIGHT...PRIMARILY VFR. WINDS BECOME NORTH TO NORTHEAST AT  
AROUND 5 KT OR LESS WITH PERIODS OF LIGHT AND VARIABLE AT TIMES.  
SOME PATCHY FOG IS POSSIBLE OVERNIGHT BUT WAS TOO LOW CONFIDENCE  
TO INCLUDE IN THE TAF CURRENTLY.  
 
OUTLOOK...  
 
THURSDAY THROUGH THURSDAY NIGHT...VFR.  
 
FRIDAY...VFR. CANNOT RULE OUT A FEW LIGHT SHRA WITH MINIMAL  
RESTRICTIONS.  
 
FRIDAY NIGHT THROUGH SUNDAY...SUB-VFR IN SHRA. IMPROVING CONDS  
ON SUNDAY.  
 

 
   
MARINE
 
 
A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE DELAWARE BAY FROM 2  
AM TO 8 AM WEDNESDAY. A SMALL CRAFT ADVISORY IS IN EFFECT FOR  
THE ATLANTIC COASTAL WATERS FROM GREAT EGG INLET TO FENWICK  
ISLAND FROM 2 AM TO 11 AM WEDNESDAY. A SMALL CRAFT ADVISORY IS  
IN EFFECT FOR THE ATLANTIC COASTAL WATERS FROM SANDY HOOK TO  
GREAT EGG INLET FROM 2 AM TO 1 PM WEDNESDAY.  
 
SOUTH-SOUTHEAST WINDS AROUND 10-15 KT WILL INCREASE TONIGHT TO  
AROUND 15-20 KT WITH GUSTS UP TO 25-30 KT. WIND WILL GRADUALLY  
DIMINISH THROUGH WEDNESDAY MORNING AND BECOME SOUTHWEST AROUND  
10-15 KT BY WEDNESDAY AFTERNOON. SEAS AROUND 3-5 FEET. A CHANCE  
FOR RAIN SHOWERS LATE TONIGHT THROUGH WEDNESDAY.  
 
OUTLOOK...  
 
WEDNESDAY NIGHT THROUGH FRIDAY...SUB-SCA CONDITIONS.  
 
FRIDAY NIGHT THROUGH SUNDAY...SCA CONDITIONS DEVELOP ON  
SATURDAY AND PERSIST THROUGH THE WEEKEND. VSBY RESTRICTIONS IN  
SHOWERS SATURDAY THROUGH EARLY SUNDAY WITH IMPROVING VSBYS ON  
SUNDAY.  
 

 
   
PHI WATCHES/WARNINGS/ADVISORIES
 
 
PA...NONE.  
NJ...NONE.  
DE...NONE.  
MD...NONE.  
MARINE...SMALL CRAFT ADVISORY UNTIL 8 AM EDT THIS MORNING FOR ANZ430-  
431.  
SMALL CRAFT ADVISORY UNTIL 1 PM EDT THIS AFTERNOON FOR  
ANZ450>452.  
SMALL CRAFT ADVISORY UNTIL 11 AM EDT THIS MORNING FOR  
ANZ453>455.  
 

 
 

 
 
DISCUSSION...DESILVA/MPS  
AVIATION...GUZZO/MPS  
MARINE...DESILVA/MPS  
 
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