Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 243, NWS Philadelphia/Mount Holly

July 27, 2026Camden County, Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 27, 2026, 6:28 PM EDT for Camden County, Gloucester County, New Jersey. It was in force for 47 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 27, 2026, 6:28 PM EDT (22:28 UTC)
Expired: Jul 27, 2026, 7:15 PM EDT
In force: 47 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Camden County, NJ, Gloucester County, NJ

The radar

The Philadelphia radar (KDIX), 57 km from the middle of the area, began a volume at 22:29 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.

What was reported inside it

Time	Report	Where	Remark
Jul 27, 6:51 PM EDT	HAIL 1	Williamstown, NJ	Public report of quarter size hail in Williamstown with flooding.
Jul 27, 6:54 PM EDT	TSTM WND DMG	1 Ssw Williamstown, NJ	Downed trees and wires near the intersection of Janvier Rd and Corkery Ln. Time estimated by radar.
Jul 27, 6:55 PM EDT	TSTM WND DMG	1 W Williamstown, NJ	Trees and wires down on Sykes Lane. Time estimated by radar.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.5 hours before the alert went out and 223 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 199 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 928 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

008 
WUUS51 KPHI 272228
SVRPHI
NJC007-015-272315-
/O.NEW.KPHI.SV.W.0243.260727T2228Z-260727T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
628 PM EDT Mon Jul 27 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southwestern Camden County in southern New Jersey...
  Southeastern Gloucester County in southern New Jersey...

* Until 715 PM EDT.

* At 628 PM EDT, a severe thunderstorm was located over Victory
  Lakes, or 12 miles north of Vineland, moving northwest at 10 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Glassboro, Clayton, Victory Lakes, Sicklerville, Williamstown,
  Monroe Township, Turnersville, and Pine Hill.

This includes Atlantic City Expressway between mile markers 32 and
44.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3967 7487 3956 7494 3967 7516 3981 7503
TIME...MOT...LOC 2228Z 118DEG 7KT 3965 7497 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Guzzo

1 follow-up statement

268 
WWUS51 KPHI 272247
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
647 PM EDT Mon Jul 27 2026

NJC007-015-272315-
/O.CON.KPHI.SV.W.0243.000000T0000Z-260727T2315Z/
Camden NJ-Gloucester NJ-
647 PM EDT Mon Jul 27 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHWESTERN CAMDEN AND SOUTHEASTERN GLOUCESTER COUNTIES...

At 646 PM EDT, a severe thunderstorm was located over Monroe
Township, or 13 miles north of Vineland, moving northwest at 10 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Glassboro, Clayton, Victory Lakes, Sicklerville, Williamstown, Monroe
Township, Turnersville, and Pine Hill.

This includes Atlantic City Expressway between mile markers 32 and
44.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3967 7487 3956 7494 3967 7516 3981 7503
TIME...MOT...LOC 2246Z 118DEG 7KT 3967 7501 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Guzzo

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 2:13 AM EDT	Small Craft Advisory	PHI		52 hr
Jul 27, 3:50 AM EDT	Special Marine Warning	PHI		85 min
Jul 27, 1:57 PM EDT	Special Marine Warning	PHI		44 min
Jul 27, 2:15 PM EDT	Flood Watch	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more	38 hr
Jul 27, 2:57 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	48 min
Jul 27, 3:50 PM EDT	Severe Thunderstorm Warning	PHI	Warren	40 min
Jul 27, 4:21 PM EDT	Severe Thunderstorm Warning	PHI	Mercer	39 min
Jul 27, 4:32 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	31 min
Jul 27, 4:38 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Somerset	24 min
Jul 27, 5:06 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex	39 min
Jul 27, 5:14 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden	31 min
Jul 27, 5:43 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex	27 min
Jul 27, 5:49 PM EDT	Flash Flood Warning	PHI	Middlesex	3 hr
Jul 27, 6:06 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Camden, Gloucester	39 min
Jul 27, 6:07 PM EDT	Flash Flood Warning	PHI	Atlantic	4 hr
Jul 27, 6:59 PM EDT	Flash Flood Warning	PHI	Gloucester	2 hr
Jul 27, 7:12 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester	15 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2026 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.