Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 351, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 1, 2026, 8:08 PM EDT for 5 counties in New Jersey. It was in force for 52 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
- Sep 1, 2026, 8:08 PM EDT (00:08 UTC)
- Expired
- Sep 1, 2026, 9:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 00:08 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 |
|---|---|---|---|
| Sep 1, 8:59 PM EDT | HAIL 0.5 | 3 N Ocean Gate, NJ | Report from mPING: Half-inch (0.50 in.). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 1, 4:32 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.1 hours before the alert went out and 147 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
- 353 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 466 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -0.8
The text
As transmitted.
498
WUUS51 KPHI 020008
SVRPHI
NJC005-021-023-025-029-020100-
/O.NEW.KPHI.SV.W.0351.260902T0008Z-260902T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
808 PM EDT Tue Sep 1 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Ocean County in southern New Jersey...
Eastern Mercer County in central New Jersey...
Northeastern Burlington County in southern New Jersey...
Monmouth County in central New Jersey...
Southwestern Middlesex County in northern New Jersey...
* Until 900 PM EDT.
* At 808 PM EDT, severe thunderstorms were located along a line
extending from Princeton Meadows to near Manalapan to near Asbury
Park, moving south at 30 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...
Toms River, Long Branch, Asbury Park, Lakewood, Jackson, Howell,
East Brunswick, South Brunswick, Marlboro, Manalapan, Tinton Falls,
Princeton, Beachwood, Jamesburg, Manasquan, Hightstown, Point
Pleasant Beach, Cranbury, Seaside Heights, and Lakehurst.
This includes the following highways...
New Jersey Turnpike between exits 8 and 9.
Interstate 195 in New Jersey between mile markers 4 and 34.
Garden State Parkway between mile markers 76 and 109.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
&&
LAT...LON 4032 7397 3987 7405 3987 7429 4008 7467
4039 7466 4039 7463 4037 7461 4040 7459
4042 7458 4043 7456 4036 7437
TIME...MOT...LOC 0008Z 348DEG 26KT 4035 7458 4024 7436 4024 7405
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann2 follow-up statements
821
WWUS51 KPHI 020028
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
828 PM EDT Tue Sep 1 2026
NJC005-021-023-025-029-020100-
/O.CON.KPHI.SV.W.0351.000000T0000Z-260902T0100Z/
Ocean NJ-Mercer NJ-Burlington NJ-Monmouth NJ-Middlesex NJ-
828 PM EDT Tue Sep 1 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHERN OCEAN...EASTERN MERCER...NORTHEASTERN BURLINGTON...
SOUTHERN MONMOUTH AND SOUTHWESTERN MIDDLESEX COUNTIES...
At 828 PM EDT, severe thunderstorms were located along a line
extending from near Cream Ridge to Cedar Glen West to Mantoloking,
moving south at 35 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...
Toms River, Lakewood, Jackson, Howell, South Brunswick, Manalapan,
Princeton, Beachwood, Jamesburg, Manasquan, Hightstown, Point
Pleasant Beach, Cranbury, Seaside Heights, Lakehurst, Allentown,
Farmingdale, Roosevelt, Mantoloking, and Allenwood.
This includes the following highways...
New Jersey Turnpike between exits 8 and 9.
Interstate 195 in New Jersey between mile markers 4 and 34.
Garden State Parkway between mile markers 76 and 101.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3987 7405 3987 7429 4008 7467 4039 7466
4039 7463 4037 7461 4040 7459 4042 7458
4021 7419 4021 7399
TIME...MOT...LOC 0028Z 347DEG 29KT 4015 7456 4003 7429 4006 7407
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann214
WWUS51 KPHI 020050
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
850 PM EDT Tue Sep 1 2026
NJC023-020100-
/O.CAN.KPHI.SV.W.0351.000000T0000Z-260902T0100Z/
Middlesex NJ-
850 PM EDT Tue Sep 1 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MIDDLESEX COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until midnight EDT for
southern, central and northern New Jersey.
LAT...LON 3987 7405 3987 7429 4008 7467 4036 7466
4035 7463 4033 7462 4029 7456 4028 7450
4025 7448 4025 7447 4012 7432 4004 7402
TIME...MOT...LOC 0050Z 349DEG 27KT 4001 7455 3990 7428 3992 7406
$$
NJC005-021-025-029-020100-
/O.CON.KPHI.SV.W.0351.000000T0000Z-260902T0100Z/
Ocean NJ-Mercer NJ-Burlington NJ-Monmouth NJ-
850 PM EDT Tue Sep 1 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHERN OCEAN...EASTERN MERCER...NORTHEASTERN BURLINGTON AND
SOUTHWESTERN MONMOUTH COUNTIES...
At 850 PM EDT, severe thunderstorms were located along a line
extending from near Browns Mills to Bamber Lake to near Seaside
Heights, moving south at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Toms River, Lakewood, Jackson, Princeton, Beachwood, Hightstown,
Seaside Heights, Lakehurst, Allentown, Roosevelt, Mantoloking, Six
Flags Theme Park, Georgetown, Cassville, Clarksburg, Twin Rivers,
Brick Township, Whiting, Pine Ridge At Crestwood, and Leisure Village
West-Pine Lake Park.
This includes the following highways...
New Jersey Turnpike between exits 8 and 8A.
Interstate 195 in New Jersey between mile markers 4 and 20.
Garden State Parkway between mile markers 76 and 90.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3987 7405 3987 7429 4008 7467 4036 7466
4035 7463 4033 7462 4029 7456 4028 7450
4025 7448 4025 7447 4012 7432 4004 7402
TIME...MOT...LOC 0050Z 349DEG 27KT 4001 7455 3990 7428 3992 7406
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 8:05 PM EDT | Special Marine Warning | PHI | 85 min | |
| Sep 1, 8:11 PM EDT | Special Marine Warning | PHI | 94 min | |
| Sep 1, 8:17 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 58 min |
| Sep 1, 8:26 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester | 49 min |
| Sep 1, 8:44 PM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 3 hr |
| Sep 1, 8:46 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 59 min |
| Sep 1, 8:57 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 48 min |
| Sep 1, 9:04 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 71 min |
| Sep 1, 9:07 PM EDT | Tornado Warning | PHI | Burlington | 21 min |
| Sep 1, 9:16 PM EDT | Tornado Warning | PHI | Burlington | 12 min |
| Sep 1, 9:19 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex | 116 min |
| Sep 1, 9:22 PM EDT | Special Marine Warning | PHI | 68 min | |
| Sep 1, 9:25 PM EDT | Special Marine Warning | PHI | 95 min | |
| Sep 1, 9:26 PM EDT | Flash Flood Warning | PHI | Atlantic, Camden, Gloucester | 115 min |
| Sep 1, 9:33 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Ocean | 57 min |
| Sep 1, 9:54 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 42 min |
| Sep 1, 10:06 PM EDT | Special Marine Warning | PHI | 84 min | |
| Sep 1, 10:48 PM EDT | Special Marine Warning | PHI | 57 min | |
| Sep 1, 11:12 PM EDT | Special Marine Warning | PHI | 63 min | |
| Sep 2, 3:53 AM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Mercer, Monmouth, Ocean | 40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.