Alert archive / New Jersey / Tornado Warnings in 2026
Tornado Warning 31, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Aug 20, 2026, 7:01 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 29 min. 2 reports 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 20, 2026, 7:01 PM EDT (23:01 UTC)
- Expired
- Aug 20, 2026, 7:30 PM EDT
- In force
- 29 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 22:59 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 20, 7:14 PM EDT | TSTM WND DMG | 3 N Belleplain, NJ | Report of a tree down at the 47 mile post of Route 49 in Estell Manor. Time estimated from radar. |
| Aug 20, 7:28 PM EDT | TSTM WND DMG | 3 N Corbin City, NJ | Report of wires down near 11th Avenue and Route 50. Report received around 9 PM, and thus is unlikely to have been associated with the earlier tornado nearby. Time estimated from radar. |
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 20, 2:31 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 20, 2:58 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.0 hours before the alert went out and 224 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
- 97 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1192 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
425
WFUS51 KPHI 202301
TORPHI
NJC001-009-011-202330-
/O.NEW.KPHI.TO.W.0031.260820T2301Z-260820T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
701 PM EDT Thu Aug 20 2026
The National Weather Service in Mount Holly NJ has issued a
* Tornado Warning for...
Southwestern Atlantic County in southern New Jersey...
Southeastern Cumberland County in southern New Jersey...
Northwestern Cape May County in southern New Jersey...
* Until 730 PM EDT.
* At 701 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Belleplain Forest, or 13 miles southeast of
Millville, moving northeast at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Somers Point, Woodbine, Estell Manor, Corbin City, Dorothy,
Belleplain Forest, and Eldora.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3920 7490 3925 7497 3942 7481 3930 7462
TIME...MOT...LOC 2301Z 221DEG 17KT 3925 7488
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Staarmann2 follow-up statements
802
WWUS51 KPHI 202311
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
711 PM EDT Thu Aug 20 2026
NJC001-009-011-202330-
/O.CON.KPHI.TO.W.0031.000000T0000Z-260820T2330Z/
Atlantic NJ-Cumberland NJ-Cape May NJ-
711 PM EDT Thu Aug 20 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR
SOUTHWESTERN ATLANTIC...SOUTHEASTERN CUMBERLAND AND NORTHWESTERN CAPE
MAY COUNTIES...
At 711 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Belleplain Forest, or 12 miles southeast of
Millville, moving northeast at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Somers Point, Woodbine, Estell Manor, Corbin City, Dorothy, and
Belleplain Forest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3922 7488 3925 7497 3942 7481 3930 7462
TIME...MOT...LOC 2311Z 218DEG 17KT 3929 7486
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Staarmann501 WWUS51 KPHI 202326 SVSPHI Severe Weather Statement National Weather Service Mount Holly NJ Issued by National Weather Service New York NY 726 PM EDT Thu Aug 20 2026 NJC001-009-011-202336- /O.EXP.KPHI.TO.W.0031.000000T0000Z-260820T2330Z/ Atlantic NJ-Cumberland NJ-Cape May NJ- 726 PM EDT Thu Aug 20 2026 ...THE TORNADO WARNING FOR SOUTHWESTERN ATLANTIC...SOUTHEASTERN CUMBERLAND AND NORTHWESTERN CAPE MAY COUNTIES WILL EXPIRE AT 730 PM EDT... The tornado threat has diminished and the Tornado Warning has been cancelled. However, damaging winds remain likely and a Severe Thunderstorm Warning remains in effect for the area. A Tornado Watch remains in effect until 1000 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 3922 7488 3925 7497 3942 7481 3930 7462 TIME...MOT...LOC 2326Z 221DEG 17KT 3934 7481 $$ Staarmann
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 2:04 PM EDT | Special Marine Warning | PHI | 86 min | |
| Aug 20, 3:26 PM EDT | Special Marine Warning | PHI | 94 min | |
| Aug 20, 4:38 PM EDT | Tornado Warning | PHI | Atlantic | 37 min |
| Aug 20, 4:41 PM EDT | Flash Flood Warning | PHI | Atlantic, Cape May, Cumberland | 4 hr |
| Aug 20, 5:13 PM EDT | Special Marine Warning | PHI | 92 min | |
| Aug 20, 5:14 PM EDT | Special Marine Warning | PHI | 91 min | |
| Aug 20, 5:24 PM EDT | Flash Flood Warning | PHI | Atlantic | 4 hr |
| Aug 20, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 48 min |
| Aug 20, 5:36 PM EDT | Special Marine Warning | PHI | 84 min | |
| Aug 20, 5:39 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 4 hr |
| Aug 20, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 51 min |
| Aug 20, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 47 min |
| Aug 20, 6:15 PM EDT | Special Marine Warning | PHI | 60 min | |
| Aug 20, 6:26 PM EDT | Flash Flood Warning | PHI | Mercer | 4 hr |
| Aug 20, 6:30 PM EDT | Special Marine Warning | PHI | 90 min | |
| Aug 20, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 37 min |
| Aug 20, 6:44 PM EDT | Special Marine Warning | PHI | 61 min | |
| Aug 20, 7:08 PM EDT | Tornado Warning | PHI | Cape May | 22 min |
| Aug 20, 7:10 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 50 min |
| Aug 20, 7:37 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Aug 20, 7:43 PM EDT | Special Marine Warning | PHI | 2 hr |
Nearby
Tornado Warnings in New Jersey, 2026Every tornado warning in 2026Tornadoes 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.