Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 333, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 27, 2026, 3:04 PM EDT for Atlantic County, Burlington County, Camden County, New Jersey. It was in force for 41 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
- Aug 27, 2026, 3:04 PM EDT (19:04 UTC)
- Expired
- Aug 27, 2026, 3:45 PM EDT
- In force
- 41 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), 29 km from the middle of the area, began a volume at 19:05 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 27, 12:51 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.1 hours before the alert went out and 194 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
- 346 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 890 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
821
WUUS51 KPHI 271904
SVRPHI
NJC001-005-007-271945-
/O.NEW.KPHI.SV.W.0333.260827T1904Z-260827T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
304 PM EDT Thu Aug 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...
Southeastern Burlington County in southern New Jersey...
* Until 345 PM EDT.
* At 304 PM EDT, a severe thunderstorm was located near Atsion, or 20
miles northeast of Vineland, moving east at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Hammonton, Shamong, Chesilhurst, Batsto, Wharton State Forest,
Atsion, Chatsworth, Penn State Forest, and Old Halfway.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3963 7485 3978 7488 3990 7446 3981 7441
3974 7439 3965 7439
TIME...MOT...LOC 1904Z 257DEG 14KT 3972 7479
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PHI2 follow-up statements
082
WWUS51 KPHI 271931
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
331 PM EDT Thu Aug 27 2026
NJC001-007-271940-
/O.CAN.KPHI.SV.W.0333.000000T0000Z-260827T1945Z/
Atlantic NJ-Camden NJ-
331 PM EDT Thu Aug 27 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ATLANTIC AND
SOUTHEASTERN CAMDEN COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southern New Jersey.
LAT...LON 3964 7466 3966 7466 3968 7467 3971 7471
3982 7474 3990 7446 3987 7444 3969 7439
3965 7439
TIME...MOT...LOC 1930Z 259DEG 15KT 3973 7462
$$
NJC005-271945-
/O.CON.KPHI.SV.W.0333.000000T0000Z-260827T1945Z/
Burlington NJ-
331 PM EDT Thu Aug 27 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN BURLINGTON COUNTY...
At 330 PM EDT, a severe thunderstorm was located over Wharton State
Forest, or 25 miles north of Atlantic City, moving east at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Hammonton, Shamong, Wharton State Forest, Chatsworth, Old Halfway,
Penn State Forest, and Batsto.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3964 7466 3966 7466 3968 7467 3971 7471
3982 7474 3990 7446 3987 7444 3969 7439
3965 7439
TIME...MOT...LOC 1930Z 259DEG 15KT 3973 7462
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PHI477
WWUS51 KPHI 271938
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
338 PM EDT Thu Aug 27 2026
NJC005-271947-
/O.EXP.KPHI.SV.W.0333.000000T0000Z-260827T1945Z/
Burlington NJ-
338 PM EDT Thu Aug 27 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BURLINGTON COUNTY
WILL EXPIRE AT 345 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southern New Jersey.
LAT...LON 3964 7466 3966 7466 3968 7467 3971 7471
3982 7474 3990 7446 3987 7444 3969 7439
3965 7439
TIME...MOT...LOC 1937Z 257DEG 14KT 3974 7459
$$
PHIThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 11:38 AM EDT | Flash Flood Warning | PHI | Gloucester | 4 hr |
| Aug 27, 12:26 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 49 min |
| Aug 27, 12:41 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 5 hr |
| Aug 27, 1:06 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 24 min |
| Aug 27, 1:07 PM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| Aug 27, 1:15 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 45 min |
| Aug 27, 1:17 PM EDT | Flash Flood Warning | PHI | Mercer, Somerset | 7 hr |
| Aug 27, 1:20 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 40 min |
| Aug 27, 1:26 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 49 min |
| Aug 27, 1:32 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 43 min |
| Aug 27, 1:34 PM EDT | Special Marine Warning | PHI | 21 min | |
| Aug 27, 1:50 PM EDT | Flash Flood Warning | PHI | Salem | 4 hr |
| Aug 27, 1:57 PM EDT | Tornado Warning | PHI | Salem | 11 min |
| Aug 27, 2:02 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 28 min |
| Aug 27, 2:13 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 47 min |
| Aug 27, 2:16 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 44 min |
| Aug 27, 2:18 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth | 4 hr |
| Aug 27, 2:20 PM EDT | Special Marine Warning | PHI | 40 min | |
| Aug 27, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 44 min |
| Aug 27, 2:38 PM EDT | Flash Flood Warning | PHI | Camden | 4 hr |
| Aug 27, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 30 min |
| Aug 27, 3:00 PM EDT | Special Marine Warning | PHI | 60 min | |
| Aug 27, 3:26 PM EDT | Areal Flood Warning | PHI | Gloucester, Salem | 5 hr |
| Aug 27, 3:43 PM EDT | Flash Flood Warning | PHI | Camden | 3 hr |
| Aug 27, 4:52 PM EDT | Flash Flood Warning | PHI | Warren | 3 hr |
| Aug 27, 4:59 PM EDT | Areal Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| Aug 27, 5:44 PM EDT | Areal Flood Warning | PHI | Camden, Gloucester | 5 hr |
| Aug 27, 6:17 PM EDT | Areal Flood Warning | PHI | Middlesex, Monmouth | 4 hr |
| Aug 27, 7:00 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 3 hr |
| Aug 27, 7:26 PM EDT | Special Marine Warning | PHI | 32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.