Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 291, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 8, 2026, 2:18 PM EDT for 4 counties in New Jersey. It was in force for 42 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
- Aug 8, 2026, 2:18 PM EDT (18:18 UTC)
- Expired
- Aug 8, 2026, 3:00 PM EDT
- In force
- 42 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 68 km from the middle of the area, began a volume at 18:19 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 |
|---|---|---|---|
| Aug 8, 2:30 PM EDT | TSTM WND DMG | Fairton, NJ | Corrects previous tstm wnd dmg report from Fairfield Twp. Tree and wires blown down in Fairton. |
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 |
|---|---|---|---|
| Aug 8, 1:12 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.3 hours before the alert went out and 211 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
- 63 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 1367 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
630
WUUS51 KPHI 081818
SVRPHI
NJC007-011-015-033-081900-
/O.NEW.KPHI.SV.W.0291.260808T1818Z-260808T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
218 PM EDT Sat Aug 8 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Cumberland County in southern New Jersey...
Salem County in southern New Jersey...
Southern Camden County in southern New Jersey...
Gloucester County in southern New Jersey...
* Until 300 PM EDT.
* At 218 PM EDT, severe thunderstorms were located along a line
extending from near Gibbstown to near Woodstown to Port Penn,
moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Vineland, Millville, Bridgeton, Glassboro, Lindenwold, Pennsville,
Pitman, Clayton, Berlin, Salem, Woodstown, Alloway, Woodbury
Heights, Quinton, Swedesboro, Chesilhurst, Newfield, Elmer,
Greenwich, and Shiloh.
This includes the following highways...
New Jersey Turnpike between exits 1 and 2.
Interstate 295 in New Jersey between mile markers 9 and 18.
Atlantic City Expressway between mile markers 30 and 44.
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 3963 7486 3934 7525 3947 7559 3956 7557
3966 7544 3982 7534 3982 7491 3978 7489
3979 7483 3975 7477
TIME...MOT...LOC 1818Z 270DEG 31KT 3979 7530 3966 7537 3950 7557
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS2 follow-up statements
777
WWUS51 KPHI 081835
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
235 PM EDT Sat Aug 8 2026
NJC007-081844-
/O.CAN.KPHI.SV.W.0291.000000T0000Z-260808T1900Z/
Camden NJ-
235 PM EDT Sat Aug 8 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CAMDEN COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 600 PM EDT for
southern New Jersey.
LAT...LON 3934 7525 3939 7538 3946 7528 3961 7514
3957 7494
TIME...MOT...LOC 1834Z 291DEG 32KT 3954 7514 3944 7523 3933 7540
$$
NJC011-015-033-081900-
/O.CON.KPHI.SV.W.0291.000000T0000Z-260808T1900Z/
Cumberland NJ-Salem NJ-Gloucester NJ-
235 PM EDT Sat Aug 8 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR NORTHWESTERN CUMBERLAND...EAST CENTRAL SALEM AND SOUTHEASTERN
GLOUCESTER COUNTIES...
At 234 PM EDT, severe thunderstorms were located along a line
extending from Olivet to Bridgeton to near Woodland Beach, moving
east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Vineland, Millville, Bridgeton, Newfield, Greenwich, Shiloh, Fairton,
Olivet, Malaga, Seabrook Farms, Rosenhayn, and Centerton.
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 3934 7525 3939 7538 3946 7528 3961 7514
3957 7494
TIME...MOT...LOC 1834Z 291DEG 32KT 3954 7514 3944 7523 3933 7540
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS759
WWUS51 KPHI 081851
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
251 PM EDT Sat Aug 8 2026
NJC011-015-033-081901-
/O.EXP.KPHI.SV.W.0291.000000T0000Z-260808T1900Z/
Cumberland NJ-Salem NJ-Gloucester NJ-
251 PM EDT Sat Aug 8 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CUMBERLAND...EAST
CENTRAL SALEM AND SOUTHEASTERN GLOUCESTER COUNTIES WILL EXPIRE AT 300
PM EDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 600 PM EDT for
southern New Jersey.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 3934 7525 3939 7538 3946 7528 3961 7514
3957 7494
TIME...MOT...LOC 1851Z 270DEG 31KT 3954 7496 3944 7506 3933 7523
$$
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, 2:50 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, 3:22 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth, Somerset | 53 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.