Severe Thunderstorm Warning 217, NWS Philadelphia/Mount Holly

Issued

Jul 21, 2026, 5:30 PM EDT (21:30 UTC)

Expired

Jul 21, 2026, 6:15 PM EDT

In force

45 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties New Castle County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Salem County, NJ, Delaware County, PA

The Philadelphia radar (KDIX), 85 km from the middle of the area, began a volume at 21:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

641 
WUUS51 KPHI 212130
SVRPHI
DEC003-NJC001-005-007-015-033-PAC045-212215-
/O.NEW.KPHI.SV.W.0217.260721T2130Z-260721T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
530 PM EDT Tue Jul 21 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern New Castle County in northern Delaware...
  Northwestern Atlantic County in southern New Jersey...
  Northern Salem County in southern New Jersey...
  Camden County in southern New Jersey...
  Gloucester County in southern New Jersey...
  West central Burlington County in southern New Jersey...
  Southeastern Delaware County in southeastern Pennsylvania...

* Until 615 PM EDT.

* At 530 PM EDT, a severe thunderstorm was located over Mullica Hill,
  or 11 miles southwest of Gloucester City, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Wilmington, Evesham, Chester, Deptford, Voorhees, Medford, West
  Deptford, Glassboro, Lindenwold, Hammonton, Pennsville, Bellmawr,
  Woodbury, Pitman, Clayton, Carneys Point, Berlin, Elsmere,
  Paulsboro, and New Castle.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 3.
 Interstate 95 in Pennsylvania between mile markers 0 and 3.
 Interstate 95 in Delaware between mile markers 11 and 23.
 Interstate 76 in New Jersey near mile marker 0.
 Interstate 295 in New Jersey between mile markers 0 and 32.
 Atlantic City Expressway between mile markers 30 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM EDT for northern
Delaware...southern New Jersey...and southeastern Pennsylvania.

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

A Tornado Watch remains in effect until 900 PM EDT for northern
Delaware...southern New Jersey...and southeastern Pennsylvania.

&&

LAT...LON 3959 7569 3968 7562 3976 7558 3984 7546
      3991 7474 3964 7472
TIME...MOT...LOC 2130Z 263DEG 36KT 3976 7525 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

AKL

895 
WWUS51 KPHI 212154
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
554 PM EDT Tue Jul 21 2026

DEC003-NJC001-005-007-PAC045-212203-
/O.CAN.KPHI.SV.W.0217.000000T0000Z-260721T2215Z/
New Castle DE-Atlantic NJ-Camden NJ-Burlington NJ-Delaware PA-
554 PM EDT Tue Jul 21 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NEW CASTLE...
NORTHWESTERN ATLANTIC...CAMDEN...WEST CENTRAL BURLINGTON AND
SOUTHEASTERN DELAWARE COUNTIES IS CANCELLED...

The severe thunderstorm which prompted the warning has 
weakened. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM EDT for southern New
Jersey.

LAT...LON 3971 7548 3979 7509 3978 7508 3978 7507
      3962 7505 3960 7542 3960 7548
TIME...MOT...LOC 2153Z 260DEG 39KT 3968 7535 

$$

NJC015-033-212215-
/O.CON.KPHI.SV.W.0217.000000T0000Z-260721T2215Z/
Salem NJ-Gloucester NJ-
554 PM EDT Tue Jul 21 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHERN SALEM AND CENTRAL GLOUCESTER COUNTIES...

At 553 PM EDT, a severe thunderstorm was located over Woodstown, or
10 miles southeast of Wilmington, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Glassboro, Pennsville, Pitman, Clayton, Carneys Point, Woodstown,
Swedesboro, Mullica Hill, and Turnersville.

This includes the following highways...
 New Jersey Turnpike near exit 1.
 Interstate 295 in New Jersey between mile markers 2 and 5.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM EDT for southern New
Jersey.

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3971 7548 3979 7509 3978 7508 3978 7507
      3962 7505 3960 7542 3960 7548
TIME...MOT...LOC 2153Z 260DEG 39KT 3968 7535 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

AKL

077 
WWUS51 KPHI 212208
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
608 PM EDT Tue Jul 21 2026

NJC015-033-212218-
/O.EXP.KPHI.SV.W.0217.000000T0000Z-260721T2215Z/
Salem NJ-Gloucester NJ-
608 PM EDT Tue Jul 21 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN SALEM AND CENTRAL
GLOUCESTER COUNTIES WILL EXPIRE AT 615 PM EDT...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM EDT for southern New
Jersey.

LAT...LON 3971 7548 3979 7509 3978 7508 3978 7507
      3962 7505 3960 7542 3960 7548
TIME...MOT...LOC 2208Z 263DEG 36KT 3970 7518 

$$

AKL

Severe Thunderstorm Warnings in New Jersey, 2026Severe Thunderstorm Warnings in Delaware, 2026Severe Thunderstorm Warnings in Pennsylvania, 2026Every severe thunderstorm warning in 2026

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.