Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 293, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 8, 2026, 3:22 PM EDT for Middlesex County, Monmouth County, Somerset County, New Jersey. It was in force for 53 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 8, 2026, 3:22 PM EDT (19:22 UTC)
- Expired
- Aug 8, 2026, 4:15 PM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Middlesex County, NJ, Monmouth County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 19:25 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.4 hours before the alert went out and 127 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
- 669 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 881 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted.
857
WUUS51 KPHI 081922
SVRPHI
NJC023-025-035-082015-
/O.NEW.KPHI.SV.W.0293.260808T1922Z-260808T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
322 PM EDT Sat Aug 8 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southeastern Somerset County in northern New Jersey...
North central Monmouth County in central New Jersey...
Middlesex County in northern New Jersey...
* Until 415 PM EDT.
* At 322 PM EDT, a severe thunderstorm was located over New
Brunswick, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
New Brunswick, Perth Amboy, Somerset, Edison, Old Bridge, East
Brunswick, Sayreville, North Brunswick, Carteret, Matawan,
Jamesburg, Colonia, Brownville, North Brunswick Township, Society
Hill, Woodbridge, South Plainfield, South River, Highland Park, and
Metuchen.
This includes the following highways...
New Jersey Turnpike between exits 10 and 13.
Interstate 287 in New Jersey between mile markers 0 and 11.
Garden State Parkway between mile markers 118 and 134.
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.
&&
LAT...LON 4035 7447 4054 7456 4060 7438 4061 7431
4059 7429 4060 7421 4056 7421 4055 7425
4050 7426 4050 7428 4047 7427 4044 7420
4046 7418 4043 7407
TIME...MOT...LOC 1922Z 250DEG 22KT 4047 7442
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS2 follow-up statements
533
WWUS51 KPHI 081953
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
353 PM EDT Sat Aug 8 2026
NJC035-082003-
/O.CAN.KPHI.SV.W.0293.000000T0000Z-260808T2015Z/
Somerset NJ-
353 PM EDT Sat Aug 8 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SOMERSET COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4039 7429 4059 7440 4060 7438 4061 7431
4059 7429 4060 7421 4056 7421 4055 7425
4050 7426 4050 7428 4047 7427 4044 7420
4046 7418 4043 7407
TIME...MOT...LOC 1953Z 256DEG 26KT 4056 7430
$$
NJC023-025-082015-
/O.CON.KPHI.SV.W.0293.000000T0000Z-260808T2015Z/
Monmouth NJ-Middlesex NJ-
353 PM EDT Sat Aug 8 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTH CENTRAL MONMOUTH AND NORTHEASTERN MIDDLESEX COUNTIES...
At 353 PM EDT, a severe thunderstorm was located over Colonia, or
over Perth Amboy, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Perth Amboy, Old Bridge, Sayreville, Carteret, Matawan, Colonia,
Brownville, Woodbridge, Metuchen, Keyport, Madison Park, Iselin,
Sewaren, Port Reading, North Middletown, Fords, Avenel, Laurence
Harbor, and Strathmore.
This includes the following highways...
New Jersey Turnpike between exits 11 and 13.
Interstate 287 in New Jersey between mile markers 0 and 1.
Garden State Parkway between mile markers 118 and 134.
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.
&&
LAT...LON 4039 7429 4059 7440 4060 7438 4061 7431
4059 7429 4060 7421 4056 7421 4055 7425
4050 7426 4050 7428 4047 7427 4044 7420
4046 7418 4043 7407
TIME...MOT...LOC 1953Z 256DEG 26KT 4056 7430
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS875
WWUS51 KPHI 082005
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
405 PM EDT Sat Aug 8 2026
NJC023-025-082015-
/O.EXP.KPHI.SV.W.0293.000000T0000Z-260808T2015Z/
Monmouth NJ-Middlesex NJ-
405 PM EDT Sat Aug 8 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MONMOUTH AND
NORTHEASTERN MIDDLESEX COUNTIES WILL EXPIRE AT 415 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4039 7429 4059 7440 4060 7438 4061 7431
4059 7429 4060 7421 4056 7421 4055 7425
4050 7426 4050 7428 4047 7427 4044 7420
4046 7418 4043 7407
TIME...MOT...LOC 2005Z 250DEG 22KT 4058 7424
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 1:21 PM EDT | Special Marine Warning | PHI | 84 min | |
| Aug 8, 1:44 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 46 min |
| Aug 8, 2:18 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Cumberland, Gloucester, Salem | 42 min |
| Aug 8, 2:50 PM EDT | Special Marine Warning | PHI | 40 min | |
| Aug 8, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 47 min |
| Aug 8, 2:59 PM EDT | Special Marine Warning | PHI | 70 min | |
| Aug 8, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 29 min |
| Aug 8, 3:44 PM EDT | Special Marine Warning | PHI | 36 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.