Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 204, NWS Philadelphia/Mount Holly

July 18, 2026Cape May County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 18, 2026, 7:13 PM EDT for Cape May County, New Jersey. It was in force for 32 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 18, 2026, 7:13 PM EDT (23:13 UTC)
Expired
Jul 18, 2026, 7:45 PM EDT
In force
32 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Cape May County, NJ

The radar

The Dover AFB radar (KDOX), 49 km from the middle of the area, began a volume at 23:15 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 18, 1:55 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.2 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 12:00Z on 2026-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1396 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 2026-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
1396 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.1

Open this sounding in Storm Lab

The text

As transmitted.

749 
WUUS51 KPHI 182313
SVRPHI
NJC009-182345-
/O.NEW.KPHI.SV.W.0204.260718T2313Z-260718T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
713 PM EDT Sat Jul 18 2026

The National Weather Service in Mount Holly NJ has issued a

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

* Until 745 PM EDT.

* At 712 PM EDT, a severe thunderstorm was located near West Cape
  May, or near Cape May, moving east at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Cape May, North Wildwood, Wildwood Crest, Avalon, West Cape May,
  Stone Harbor, Scotch Bonnet, Diamond Beach, Green Creek, Rio
  Grande, North Cape May, Cape May Court House, Villas, West
  Wildwood, Erma, and Whitesboro-Burleigh.

This includes Garden State Parkway between mile markers 0 and 9.
 
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.

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

&&

LAT...LON 3901 7512 3911 7468 3888 7462 3880 7474
      3876 7503
TIME...MOT...LOC 2312Z 254DEG 48KT 3888 7495 

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

$$

MPS
1 follow-up statement
359 
WWUS51 KPHI 182335
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
735 PM EDT Sat Jul 18 2026

NJC009-182345-
/O.EXP.KPHI.SV.W.0204.000000T0000Z-260718T2345Z/
Cape May NJ-
735 PM EDT Sat Jul 18 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CAPE MAY COUNTY
WILL EXPIRE AT 745 PM EDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 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 3901 7512 3911 7468 3888 7462 3880 7474
      3876 7503
TIME...MOT...LOC 2335Z 254DEG 48KT 3894 7468 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 10:39 AM EDTSevere Thunderstorm WarningPHISussex, Warren21 min
Jul 18, 12:40 PM EDTFlash Flood WarningPHIMiddlesex, Morris, Somerset3 hr
Jul 18, 1:52 PM EDTFlash Flood WarningPHIMercer, Middlesex, Somerset4 hr
Jul 18, 2:36 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Monmouth4 hr
Jul 18, 3:13 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean47 min
Jul 18, 3:14 PM EDTFlash Flood Warning Considerable damage threatPHIMercer4 hr
Jul 18, 3:16 PM EDTSpecial Marine WarningPHI59 min
Jul 18, 3:30 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden45 min
Jul 18, 3:31 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean44 min
Jul 18, 3:36 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester39 min
Jul 18, 3:44 PM EDTFlash Flood WarningPHIMiddlesex, Monmouth, Ocean4 hr
Jul 18, 4:02 PM EDTSpecial Marine WarningPHI118 min
Jul 18, 4:03 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean42 min
Jul 18, 4:34 PM EDTFlash Flood WarningPHIOcean4 hr
Jul 18, 4:46 PM EDTFlash Flood WarningPHIOcean4 hr
Jul 18, 5:14 PM EDTSevere Thunderstorm WarningPHICumberland, Salem61 min
Jul 18, 5:16 PM EDTSpecial Marine WarningPHI89 min
Jul 18, 5:47 PM EDTSpecial Marine WarningPHI118 min
Jul 18, 5:49 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean41 min
Jul 18, 6:30 PM EDTSpecial Marine WarningPHI2 hr
Jul 18, 6:30 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Somerset45 min
Jul 18, 6:55 PM EDTAreal Flood WarningPHIMonmouth4 hr
Jul 18, 6:56 PM EDTSpecial Marine WarningPHI64 min
Jul 18, 7:47 PM EDTAreal Flood WarningPHIMonmouth, Ocean4 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.