Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 158, NWS Philadelphia/Mount Holly

July 5, 2026Gloucester County, Salem County, New Jersey; Chester County, Delaware County, Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 5, 2026, 10:05 PM EDT for Gloucester County, Salem County, New Jersey; Chester County, Delaware County, Pennsylvania; New Castle County, Delaware. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 5, 2026, 10:05 PM EDT (02:05 UTC)
Expired
Jul 5, 2026, 10:45 PM EDT
In force
40 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties New Castle County, DE, Gloucester County, NJ, Salem County, NJ, Chester County, PA, Delaware County, PA

The radar

The Dover AFB radar (KDOX), 110 km from the middle of the area, began a volume at 02:05 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 5, 6:44 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 2.1 hours before the alert went out and 172 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2026-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2754 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2026-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2754 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1313 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

790 
WUUS51 KPHI 060205
SVRPHI
DEC003-NJC015-033-PAC029-045-060245-
/O.NEW.KPHI.SV.W.0158.260706T0205Z-260706T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1005 PM EDT Sun Jul 5 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  New Castle County in northern Delaware...
  Northwestern Salem County in southern New Jersey...
  Western Gloucester County in southern New Jersey...
  Southwestern Chester County in southeastern Pennsylvania...
  Southwestern Delaware County in southeastern Pennsylvania...

* Until 1045 PM EDT.

* At 1004 PM EDT, a severe thunderstorm was located over Bay View, or
  near Elkton, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Wilmington, Newark, West Chester, Pennsville, Westtown, Carneys
  Point, Downingtown, Elsmere, Kennett Square, New Castle, Penns
  Grove, Salem, Oxford, Woodstown, West Grove, Delaware City,
  Newport, Arden, Glen Roy, and Stanton.

This includes the following highways...
 New Jersey Turnpike near exit 1.
 Pennsylvania Turnpike near mile marker 312.
 Interstate 95 in Pennsylvania near mile marker 0.
 Interstate 95 in Delaware between mile markers 1 and 23.
 Interstate 295 in New Jersey between mile markers 0 and 9.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.

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

&&

LAT...LON 4008 7567 3964 7528 3949 7577 3972 7579
      3972 7611
TIME...MOT...LOC 0204Z 236DEG 26KT 3965 7593 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS
2 follow-up statements
336 
WWUS51 KPHI 060233
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1033 PM EDT Sun Jul 5 2026

NJC015-PAC045-060242-
/O.CAN.KPHI.SV.W.0158.000000T0000Z-260706T0245Z/
Gloucester NJ-Delaware PA-
1033 PM EDT Sun Jul 5 2026

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN GLOUCESTER AND
SOUTHWESTERN DELAWARE COUNTIES IS CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
northern Delaware...southern New Jersey...and southeastern
Pennsylvania.

LAT...LON 4002 7574 3986 7559 3984 7559 3984 7557
      3962 7536 3951 7571 3957 7578 3972 7579
      3972 7594 3979 7601
TIME...MOT...LOC 0232Z 239DEG 25KT 3968 7572 

$$

DEC003-NJC033-PAC029-060245-
/O.CON.KPHI.SV.W.0158.000000T0000Z-260706T0245Z/
New Castle DE-Salem NJ-Chester PA-
1033 PM EDT Sun Jul 5 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR NORTHERN NEW CASTLE...NORTHWESTERN SALEM AND SOUTH CENTRAL
CHESTER COUNTIES...

At 1032 PM EDT, a severe thunderstorm was located over Newark, moving
northeast at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Wilmington, Newark, Pennsville, Carneys Point, Downingtown, Elsmere,
Kennett Square, New Castle, Penns Grove, Salem, Oxford, West Grove,
Delaware City, Newport, Stanton, North Star, Glasgow, Bear,
Talleyville, and Wilmington Manor.

This includes the following highways...
 Interstate 95 in Delaware between mile markers 1 and 18.
 Interstate 295 in New Jersey between mile markers 0 and 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.

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

&&

LAT...LON 4002 7574 3986 7559 3984 7559 3984 7557
      3962 7536 3951 7571 3957 7578 3972 7579
      3972 7594 3979 7601
TIME...MOT...LOC 0232Z 239DEG 25KT 3968 7572 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS
782 
WWUS51 KPHI 060240
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1040 PM EDT Sun Jul 5 2026

DEC003-NJC033-PAC029-060249-
/O.EXP.KPHI.SV.W.0158.000000T0000Z-260706T0245Z/
New Castle DE-Salem NJ-Chester PA-
1040 PM EDT Sun Jul 5 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN NEW CASTLE...
NORTHWESTERN SALEM AND SOUTH CENTRAL CHESTER COUNTIES WILL EXPIRE AT
1045 PM EDT...

This Severe Thunderstorm Warning will expire at 1045 PM EDT. 
However, a new Severe Thunderstorm Warning is in effect until 1115 
PM EDT, and covers portions of Chester, New Castle and Salem 
counties.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
northern Delaware...southern New Jersey...and southeastern
Pennsylvania.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 4002 7574 3986 7559 3984 7559 3984 7557
      3962 7536 3951 7571 3957 7578 3972 7579
      3972 7594 3979 7601
TIME...MOT...LOC 0239Z 270DEG 26KT 3969 7569 

$$

MPS

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 8:37 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset38 min
Jul 5, 9:14 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex46 min
Jul 5, 9:58 PM EDTSpecial Marine WarningPHI2 hr
Jul 5, 10:21 PM EDTSpecial Marine WarningPHI84 min
Jul 5, 10:37 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem38 min
Jul 5, 11:00 PM EDTFlash Flood Warning Considerable damage threatPHIBurlington, Camden, Gloucester, Salem4 hr
Jul 5, 11:30 PM EDTSevere Thunderstorm WarningPHICamden, Cumberland, Gloucester, Salem45 min
Jul 6, 12:01 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem29 min
Jul 6, 9:16 AM EDTFlash Flood WarningPHIHunterdon, Mercer, Somerset2 hr
Jul 6, 9:27 AM EDTFlash Flood WarningPHICumberland, Gloucester, Salem3 hr
Jul 6, 10:15 AM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester4 hr
Jul 6, 10:27 AM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Salem4 hr
Jul 6, 10:38 AM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean4 hr
Jul 6, 11:01 AM EDTSpecial Marine WarningPHI78 min
Jul 6, 11:02 AM EDTFlash Flood WarningPHIMiddlesex, Monmouth4 hr
Jul 6, 11:13 AM EDTFlash Flood Warning Considerable damage threatPHIBurlington3 hr
Jul 6, 11:44 AM EDTFlash Flood Warning Considerable damage threatPHIMonmouth, Ocean4 hr
Jul 6, 1:46 PM EDTSpecial Marine WarningPHI59 min
Jul 6, 2:15 PM EDTAreal Flood WarningPHIBurlington, Camden, Gloucester4 hr
Jul 6, 2:40 PM EDTAreal Flood WarningPHIBurlington4 hr
Jul 6, 3:07 PM EDTAreal Flood WarningPHIMonmouth, Ocean4 hr
Jul 6, 3:39 PM EDTSpecial Marine WarningPHI48 min
Jul 6, 3:50 PM EDTSpecial Marine WarningPHI55 min
Jul 6, 4:36 PM EDTSpecial Marine WarningPHI54 min
Jul 6, 5:23 PM EDTSpecial Marine WarningPHI82 min
Jul 5, 8:58 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery77 min
Jul 5, 9:05 PM EDTFlash Flood Warning Considerable damage threatPHIBerks6 hr
Jul 5, 9:57 PM EDTSevere Thunderstorm WarningPHIChester63 min
Jul 5, 10:32 PM EDTFlash Flood WarningPHICarbon, Monroe4 hr
Jul 6, 3:35 PM EDTSevere Thunderstorm WarningPHIKent, Sussex55 min
Jul 6, 4:17 PM EDTFlash Flood WarningPHIKent, Sussex3 hr

Nearby

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

Sources

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.