Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 239, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 27, 2026, 5:14 PM EDT for Atlantic County, Burlington County, Camden County, New Jersey. It was in force for 31 min. 1 report 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, 5:14 PM EDT (21:14 UTC)
- Expired
- Jul 27, 2026, 5:45 PM EDT
- In force
- 31 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ
The radar
The Philadelphia radar (KDIX), 44 km from the middle of the area, began a volume at 21:16 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, 5:20 PM EDT | TSTM WND DMG | 1 Wnw Hammonton, NJ | Tree on wire near 13th St and Anderson Ave. 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, 9.2 hours before the alert went out and 208 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.
- 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
The text
As transmitted.
544
WUUS51 KPHI 272114
SVRPHI
NJC001-005-007-272200-
/O.NEW.KPHI.SV.W.0239.260727T2114Z-260727T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
514 PM EDT Mon Jul 27 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Atlantic County in southern New Jersey...
Southeastern Camden County in southern New Jersey...
South central Burlington County in southern New Jersey...
* Until 600 PM EDT.
* At 513 PM EDT, a severe thunderstorm was located over Hammonton, or
19 miles northeast of Vineland, moving northeast at 5 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Hammonton, Elwood-Magnolia, Atsion, Batsto, and Folsom.
This includes Atlantic City Expressway between mile markers 24 and
30.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3953 7467 3962 7487 3978 7480 3968 7453
TIME...MOT...LOC 2113Z 208DEG 6KT 3965 7473
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Guzzo1 follow-up statement
931 WWUS51 KPHI 272145 SVSPHI Severe Weather Statement National Weather Service Mount Holly NJ 545 PM EDT Mon Jul 27 2026 NJC001-005-007-272154- /O.CAN.KPHI.SV.W.0239.000000T0000Z-260727T2200Z/ Atlantic NJ-Camden NJ-Burlington NJ- 545 PM EDT Mon Jul 27 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ATLANTIC... SOUTHEASTERN CAMDEN AND SOUTH CENTRAL BURLINGTON COUNTIES IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. LAT...LON 3953 7467 3962 7487 3978 7480 3968 7453 TIME...MOT...LOC 2143Z 208DEG 6KT 3970 7470 $$ 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, 5:43 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, 6:28 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 47 min |
| 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.