Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 359, NWS Philadelphia/Mount Holly

September 1, 2026Atlantic County, Cape May County, Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 1, 2026, 9:54 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 42 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
Sep 1, 2026, 9:54 PM EDT (01:54 UTC)
Expired
Sep 1, 2026, 10:36 PM EDT
In force
42 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 59 km from the middle of the area, began a volume at 01:53 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
Sep 1, 4:32 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 1.9 hours before the alert went out and 218 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 2026-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1278 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2026-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.193958Sfc1 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
1278 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1771 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted.

725 
WUUS51 KPHI 020154
SVRPHI
NJC001-009-011-020300-
/O.NEW.KPHI.SV.W.0359.260902T0154Z-260902T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
954 PM EDT Tue Sep 1 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southwestern Atlantic County in southern New Jersey...
  Southeastern Cumberland County in southern New Jersey...
  Cape May County in southern New Jersey...

* Until 1100 PM EDT.

* At 953 PM EDT, severe thunderstorms were located along a line
  extending from Dorothy to near Eldora, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Vineland, Millville, Ocean City, Cape May, Cumberland, Somers
  Point, Margate City, North Wildwood, Laurel Lake, Wildwood Crest,
  Woodbine, Sea Isle City, Estell Manor, Avalon, West Cape May,
  Longport, Stone Harbor, Corbin City, Cape May Court House, and
  Leesburg.

This includes Garden State Parkway between mile markers 0 and 32.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

&&

LAT...LON 3931 7445 3919 7462 3893 7483 3891 7486
      3890 7493 3892 7500 3916 7492 3916 7499
      3918 7505 3916 7512 3917 7517 3919 7518
      3948 7492
TIME...MOT...LOC 0153Z 300DEG 29KT 3938 7481 3918 7493 

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

$$

Staarmann
2 follow-up statements
899 
WWUS51 KPHI 020212
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1012 PM EDT Tue Sep 1 2026

NJC011-020222-
/O.CAN.KPHI.SV.W.0359.000000T0000Z-260902T0300Z/
Cumberland NJ-
1012 PM EDT Tue Sep 1 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CUMBERLAND COUNTY
IS CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until midnight EDT for
southern New Jersey.

LAT...LON 3931 7445 3919 7462 3893 7483 3891 7486
      3890 7490 3890 7495 3892 7499 3929 7486
      3942 7475
TIME...MOT...LOC 0212Z 302DEG 30KT 3928 7462 3907 7485 

$$

NJC001-009-020300-
/O.CON.KPHI.SV.W.0359.000000T0000Z-260902T0300Z/
Atlantic NJ-Cape May NJ-
1012 PM EDT Tue Sep 1 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR SOUTH CENTRAL ATLANTIC AND CAPE MAY COUNTIES...

At 1012 PM EDT, severe thunderstorms were located along a line
extending from Beesleys Point to Cape May Court House, moving
southeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ocean City, Cape May, Somers Point, Margate City, North Wildwood,
Wildwood Crest, Woodbine, Sea Isle City, Estell Manor, Avalon, West
Cape May, Longport, Stone Harbor, Corbin City, Cape May Court House,
Scotch Bonnet, Beesleys Point, Seaville, Dennisville, and Strathmere.

This includes Garden State Parkway between mile markers 0 and 33.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3931 7445 3919 7462 3893 7483 3891 7486
      3890 7490 3890 7495 3892 7499 3929 7486
      3942 7475
TIME...MOT...LOC 0212Z 302DEG 30KT 3928 7462 3907 7485 

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

$$

Staarmann
518 
WWUS51 KPHI 020236
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1036 PM EDT Tue Sep 1 2026

NJC001-009-020246-
/O.CAN.KPHI.SV.W.0359.000000T0000Z-260902T0300Z/
Atlantic NJ-Cape May NJ-
1036 PM EDT Tue Sep 1 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ATLANTIC AND
CAPE MAY COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the area and 
offshore. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight EDT for
southern New Jersey.

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 3931 7445 3919 7462 3893 7483 3891 7486
      3890 7490 3890 7495 3892 7499 3929 7486
      3942 7475
TIME...MOT...LOC 0234Z 300DEG 29KT 3919 7441 3898 7464 

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 8:05 PM EDTSpecial Marine WarningPHI85 min
Sep 1, 8:08 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean52 min
Sep 1, 8:11 PM EDTSpecial Marine WarningPHI94 min
Sep 1, 8:17 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem58 min
Sep 1, 8:26 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester49 min
Sep 1, 8:44 PM EDTFlash Flood WarningPHIGloucester, Salem3 hr
Sep 1, 8:46 PM EDTSevere Thunderstorm Warning Destructive damage threatPHICumberland, Salem59 min
Sep 1, 8:57 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem48 min
Sep 1, 9:04 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean71 min
Sep 1, 9:07 PM EDTTornado WarningPHIBurlington21 min
Sep 1, 9:16 PM EDTTornado WarningPHIBurlington12 min
Sep 1, 9:19 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex116 min
Sep 1, 9:22 PM EDTSpecial Marine WarningPHI68 min
Sep 1, 9:25 PM EDTSpecial Marine WarningPHI95 min
Sep 1, 9:26 PM EDTFlash Flood WarningPHIAtlantic, Camden, Gloucester115 min
Sep 1, 9:33 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Ocean57 min
Sep 1, 10:06 PM EDTSpecial Marine WarningPHI84 min
Sep 1, 10:48 PM EDTSpecial Marine WarningPHI57 min
Sep 1, 11:12 PM EDTSpecial Marine WarningPHI63 min
Sep 2, 3:53 AM EDTHeat AdvisoryPHIBurlington, Camden, Gloucester, Mercer, Monmouth, Ocean40 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 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.