Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 269, NWS Philadelphia/Mount Holly

July 28, 20264 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 28, 2026, 7:37 PM EDT for 4 counties in New Jersey. It was in force for 23 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 28, 2026, 7:37 PM EDT (23:37 UTC)
Expired
Jul 28, 2026, 8:00 PM EDT
In force
23 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, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 63 km from the middle of the area, began a volume at 23:39 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 28, 12:51 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 28, 2:48 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 28, 4:20 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.6 hours before the alert went out and 211 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 12:00Z on 2026-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 710 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2026-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
710 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
968 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

710 
WUUS51 KPHI 282337
SVRPHI
NJC001-009-011-033-290030-
/O.NEW.KPHI.SV.W.0269.260728T2337Z-260729T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
737 PM EDT Tue Jul 28 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Atlantic County in southern New Jersey...
  Cumberland County in southern New Jersey...
  East central Salem County in southern New Jersey...
  Cape May County in southern New Jersey...

* Until 830 PM EDT.

* At 737 PM EDT, severe thunderstorms were located along a line
  extending from Olivet to near Bridgeton to 7 miles northeast of
  Bowers, moving east at 25 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, Bridgeton, Ocean City, Cape May, Cumberland,
  Hammonton, Somers Point, Northfield, Buena, Egg Harbor City, North
  Wildwood, Laurel Lake, Wildwood Crest, Weymouth, Woodbine, Sea Isle
  City, Estell Manor, Avalon, and West Cape May.

This includes the following highways...
 Garden State Parkway between mile markers 0 and 34.
 Atlantic City Expressway between mile markers 11 and 29.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

A Tornado Watch remains in effect until 1000 PM EDT for southern New
Jersey.

&&

LAT...LON 3890 7488 3893 7501 3918 7496 3914 7515
      3931 7536 3949 7534 3955 7504 3951 7499
      3973 7474 3930 7454
TIME...MOT...LOC 2337Z 267DEG 22KT 3954 7521 3941 7517 3916 7532 

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

$$

MJL
1 follow-up statement
173 
WWUS51 KPHI 290000
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
800 PM EDT Tue Jul 28 2026

NJC001-009-011-033-290008-
/O.CAN.KPHI.SV.W.0269.000000T0000Z-260729T0030Z/
Atlantic NJ-Cumberland NJ-Salem NJ-Cape May NJ-
800 PM EDT Tue Jul 28 2026

...THE SEVERE THUNDERSTORM WARNING FOR ATLANTIC...CUMBERLAND...EAST
CENTRAL SALEM AND CAPE MAY COUNTIES IS CANCELLED...

The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However heavy rain is
still possible with these thunderstorms.

A Tornado Watch remains in effect until 1000 PM 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 3890 7488 3893 7501 3918 7496 3914 7515
      3931 7536 3949 7534 3955 7504 3951 7499
      3973 7474 3930 7454
TIME...MOT...LOC 2356Z 267DEG 22KT 3955 7506 3942 7502 3917 7517 

$$

MJL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 1:22 PM EDTSevere Thunderstorm WarningPHIWarren38 min
Jul 28, 1:31 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset, Warren44 min
Jul 28, 1:49 PM EDTTornado WarningPHISussex, Warren26 min
Jul 28, 2:04 PM EDTFlash Flood WarningPHIWarren10 hr
Jul 28, 2:11 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Somerset4 hr
Jul 28, 2:15 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren45 min
Jul 28, 2:45 PM EDTFlash Flood WarningPHIHunterdon, Morris, Warren9 hr
Jul 28, 2:56 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex49 min
Jul 28, 3:04 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth41 min
Jul 28, 3:43 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren23 min
Jul 28, 4:02 PM EDTFlash Flood WarningPHIMiddlesex2 hr
Jul 28, 5:22 PM EDTSevere Thunderstorm WarningPHIHunterdon34 min
Jul 28, 5:47 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren43 min
Jul 28, 6:10 PM EDTSpecial Marine WarningPHI2 hr
Jul 28, 6:16 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset25 min
Jul 28, 6:17 PM EDTFlash Flood WarningPHIHunterdon, Warren6 hr
Jul 28, 6:23 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem67 min
Jul 28, 6:46 PM EDTTornado WarningPHIGloucester, Salem29 min
Jul 28, 6:55 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem50 min
Jul 28, 7:06 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Cumberland, Gloucester, Salem54 min
Jul 28, 7:11 PM EDTFlash Flood WarningPHICamden, Gloucester, Salem3 hr
Jul 28, 7:23 PM EDTSpecial Marine WarningPHI2 hr
Jul 28, 7:55 PM EDTFlash Flood WarningPHIHunterdon4 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.