Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 347, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 1, 2026, 7:02 PM EDT for Monmouth County, New Jersey. It was in force for 43 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
- Sep 1, 2026, 7:02 PM EDT (23:02 UTC)
- Expired
- Sep 1, 2026, 7:45 PM EDT
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 23:02 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 |
|---|---|---|---|
| Sep 1, 4:32 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.0 hours before the alert went out and 114 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
- 17 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 481 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
097
WUUS51 KPHI 012302
SVRPHI
NJC025-012345-
/O.NEW.KPHI.SV.W.0347.260901T2302Z-260901T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
702 PM EDT Tue Sep 1 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Monmouth County in central New Jersey...
* Until 745 PM EDT.
* At 702 PM EDT, a severe thunderstorm was located over Sandy Hook,
moving south at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Long Branch, Asbury Park, Sandy Hook, Middletown, Tinton Falls, Red
Bank, Keansburg, Highlands, Elberon, Navesink, Collingwood Park,
Lincroft, Eatontown, West Long Branch, Rumson, Little Silver,
Oceanport, Neptune City, Bradley Beach, and Shrewsbury.
This includes Garden State Parkway between mile markers 100 and 114.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4018 7398 4019 7415 4045 7415 4045 7413
4042 7405 4041 7398 4048 7402 4048 7401
4043 7397
TIME...MOT...LOC 2302Z 351DEG 16KT 4044 7403
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS2 follow-up statements
890
WWUS51 KPHI 012321
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
721 PM EDT Tue Sep 1 2026
NJC025-012345-
/O.CON.KPHI.SV.W.0347.000000T0000Z-260901T2345Z/
Monmouth NJ-
721 PM EDT Tue Sep 1 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR EAST CENTRAL MONMOUTH COUNTY...
At 721 PM EDT, a severe thunderstorm was located over Long Branch,
moving south at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Long Branch, Asbury Park, Tinton Falls, Red Bank, Elberon, Lincroft,
Eatontown, West Long Branch, Rumson, Little Silver, Oceanport,
Neptune City, Bradley Beach, Shrewsbury, Avon-By-the-sea, Interlaken,
Deal, Allenhurst, Loch Arbour, and Ocean Grove.
This includes Garden State Parkway between mile markers 100 and 111.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4018 7398 4019 7413 4035 7413 4037 7397
TIME...MOT...LOC 2321Z 352DEG 23KT 4030 7401
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS914 WWUS51 KPHI 012335 SVSPHI Severe Weather Statement National Weather Service Mount Holly NJ 735 PM EDT Tue Sep 1 2026 NJC025-012345- /O.EXP.KPHI.SV.W.0347.000000T0000Z-260901T2345Z/ Monmouth NJ- 735 PM EDT Tue Sep 1 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MONMOUTH COUNTY WILL EXPIRE AT 745 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 midnight EDT for central 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 4018 7398 4019 7413 4035 7413 4037 7397 TIME...MOT...LOC 2335Z 351DEG 16KT 4026 7400 $$ MPS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 2:30 AM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Mercer | 18 hr |
| Sep 1, 4:47 PM EDT | Special Marine Warning | PHI | 43 min | |
| Sep 1, 5:45 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 45 min |
| Sep 1, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth, Morris, Somerset | 38 min |
| Sep 1, 6:56 PM EDT | Special Marine Warning | PHI | 64 min | |
| Sep 1, 7:13 PM EDT | Flash Flood Warning | PHI | Morris | 2 hr |
| Sep 1, 7:28 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 47 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.