Alert archive / New Jersey / Tornado Warnings in 2026

Tornado Warning 21, NWS Philadelphia/Mount Holly

July 28, 2026New Castle County, Delaware; Gloucester County, Salem County, New Jersey; Delaware County, Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at Jul 28, 2026, 6:46 PM EDT for New Castle County, Delaware; Gloucester County, Salem County, New Jersey; Delaware County, Pennsylvania. It was in force for 29 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
Jul 28, 2026, 6:46 PM EDT (22:46 UTC)
Expired
Jul 28, 2026, 7:15 PM EDT
In force
29 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties New Castle County, DE, Gloucester County, NJ, Salem County, NJ, Delaware County, PA

The radar

The Philadelphia radar (KDIX), 94 km from the middle of the area, began a volume at 22:47 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

TimeReportWhereRemark
Jul 28, 6:53 PM EDTFUNNEL CLOUD1 Ne South Wilmington, DEFunnel cloud observed from Route 9 and Route 13 in Wilmington.

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.

IssuedProductOfficeLasted
Jul 28, 12:51 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 28, 4:20 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.8 hours before the alert went out and 188 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2026-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 710 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2026-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
710 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
968 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

379 
WFUS51 KPHI 282246
TORPHI
DEC003-NJC015-033-PAC045-282315-
/O.NEW.KPHI.TO.W.0021.260728T2246Z-260728T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
646 PM EDT Tue Jul 28 2026

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Northeastern New Castle County in northern Delaware...
  Northwestern Salem County in southern New Jersey...
  Northwestern Gloucester County in southern New Jersey...
  South central Delaware County in southeastern Pennsylvania...

* Until 715 PM EDT.

* At 645 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Elsmere, or over Wilmington, moving northeast at
  35 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...
  Wilmington, Chester, Carneys Point, Swarthmore, Elsmere, Penns
  Grove, Swedesboro, Newport, Arden, Talleyville, Chelsea, Beckett,
  Greenville, Nether Providence Township, Chester Township,
  Gibbstown, Mullica Hill, Wilmington Manor, Tinicum Township, and
  Brookhaven.

This includes the following highways...
 New Jersey Turnpike near exit 2.
 Interstate 95 in Pennsylvania between mile markers 0 and 8.
 Interstate 95 in Delaware between mile markers 11 and 23.
 Interstate 295 in New Jersey between mile markers 5 and 16.
 Interstate 476 in Pennsylvania between mile markers 0 and 4.

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 3969 7560 3976 7565 3995 7537 3974 7522
TIME...MOT...LOC 2245Z 240DEG 30KT 3974 7556 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Staarmann
3 follow-up statements
663 
WWUS51 KPHI 282251
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
651 PM EDT Tue Jul 28 2026

DEC003-NJC015-033-PAC045-282315-
/O.CON.KPHI.TO.W.0021.000000T0000Z-260728T2315Z/
New Castle DE-Salem NJ-Gloucester NJ-Delaware PA-
651 PM EDT Tue Jul 28 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR
NORTHEASTERN NEW CASTLE...NORTHWESTERN SALEM...NORTHWESTERN
GLOUCESTER AND SOUTH CENTRAL DELAWARE COUNTIES...

At 650 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Wilmington, moving northeast at 35 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...
Wilmington, Chester, Carneys Point, Swarthmore, Penns Grove,
Swedesboro, Arden, Talleyville, Chelsea, Beckett, Nether Providence
Township, Chester Township, Gibbstown, Mullica Hill, Tinicum
Township, Brookhaven, Ridley Park, Media, Upland, and Chester
Heights.

This includes the following highways...
 New Jersey Turnpike near exit 2.
 Interstate 95 in Pennsylvania between mile markers 0 and 8.
 Interstate 95 in Delaware between mile markers 15 and 23.
 Interstate 295 in New Jersey between mile markers 6 and 16.
 Interstate 476 in Pennsylvania between mile markers 0 and 4.

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 3971 7553 3980 7559 3995 7537 3974 7522
TIME...MOT...LOC 2250Z 239DEG 30KT 3976 7551 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Staarmann
201 
WWUS51 KPHI 282302
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
702 PM EDT Tue Jul 28 2026

DEC003-NJC015-033-PAC045-282315-
/O.CON.KPHI.TO.W.0021.000000T0000Z-260728T2315Z/
New Castle DE-Salem NJ-Gloucester NJ-Delaware PA-
702 PM EDT Tue Jul 28 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR
NORTHEASTERN NEW CASTLE...NORTHWESTERN SALEM...NORTHWESTERN
GLOUCESTER AND SOUTH CENTRAL DELAWARE COUNTIES...

At 702 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Chester Township, or 7 miles northeast of
Wilmington, moving northeast at 30 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...
Chester, Swarthmore, Arden, Nether Providence Township, Chester
Township, Gibbstown, Beckett, Tinicum Township, Brookhaven, Ridley
Park, Media, Upland, Eddystone, Marcus Hook, Parkside, Trainer,
Springfield, Rose Valley, Ardentown, and Ardencroft.

This includes the following highways...
 Interstate 95 in Pennsylvania between mile markers 0 and 8.
 Interstate 95 in Delaware between mile markers 20 and 23.
 Interstate 295 in New Jersey between mile markers 11 and 16.
 Interstate 476 in Pennsylvania between mile markers 0 and 4.

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 3975 7545 3982 7550 3993 7536 3978 7525
TIME...MOT...LOC 2302Z 238DEG 28KT 3981 7543 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Staarmann
387 
WWUS51 KPHI 282314
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
714 PM EDT Tue Jul 28 2026

DEC003-NJC015-033-PAC045-282324-
/O.EXP.KPHI.TO.W.0021.000000T0000Z-260728T2315Z/
New Castle DE-Salem NJ-Gloucester NJ-Delaware PA-
714 PM EDT Tue Jul 28 2026

...THE TORNADO WARNING FOR NORTHEASTERN NEW CASTLE...NORTHWESTERN
SALEM...NORTHWESTERN GLOUCESTER AND SOUTH CENTRAL DELAWARE COUNTIES
WILL EXPIRE AT 715 PM EDT...

The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and 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 northern
Delaware...southern New Jersey...and southeastern Pennsylvania.

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 3975 7545 3982 7550 3993 7536 3978 7525
TIME...MOT...LOC 2314Z 240DEG 30KT 3986 7532 

$$

Staarmann

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 5:29 PM EDTSevere Thunderstorm WarningPHINew Castle61 min
Jul 28, 5:53 PM EDTSevere Thunderstorm WarningPHIKent52 min
Jul 28, 6:08 PM EDTSevere Thunderstorm WarningPHIKent, New Castle52 min
Jul 28, 6:16 PM EDTTornado WarningPHINew Castle29 min
Jul 28, 6:23 PM EDTSevere Thunderstorm WarningPHINew Castle67 min
Jul 28, 6:38 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIKent, New Castle67 min
Jul 28, 6:55 PM EDTSevere Thunderstorm WarningPHIKent50 min
Jul 28, 6:59 PM EDTSevere Thunderstorm WarningPHIKent, Sussex61 min
Jul 28, 7:11 PM EDTFlash Flood WarningPHINew Castle3 hr
Jul 28, 7:40 PM EDTSevere Thunderstorm WarningPHISussex50 min
Jul 28, 1:22 PM EDTSevere Thunderstorm WarningPHIWarren38 min
Jul 28, 1:31 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset, Warren44 min
Jul 28, 1:49 PM EDTTornado WarningPHISussex, Warren26 min
Jul 28, 2:04 PM EDTFlash Flood WarningPHIWarren10 hr
Jul 28, 2:11 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Somerset4 hr
Jul 28, 2:15 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren45 min
Jul 28, 2:45 PM EDTFlash Flood WarningPHIHunterdon, Morris, Warren9 hr
Jul 28, 2:56 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex49 min
Jul 28, 3:04 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth41 min
Jul 28, 3:43 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren23 min
Jul 28, 4:02 PM EDTFlash Flood WarningPHIMiddlesex2 hr
Jul 28, 5:22 PM EDTSevere Thunderstorm WarningPHIHunterdon34 min
Jul 28, 5:47 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren43 min
Jul 28, 6:10 PM EDTSpecial Marine WarningPHI2 hr
Jul 28, 6:16 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset25 min
Jul 28, 6:17 PM EDTFlash Flood WarningPHIHunterdon, Warren6 hr
Jul 28, 7:06 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Cumberland, Gloucester, Salem54 min
Jul 28, 7:23 PM EDTSpecial Marine WarningPHI2 hr
Jul 28, 7:37 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland, Salem23 min
Jul 28, 7:55 PM EDTFlash Flood WarningPHIHunterdon4 hr
Jul 27, 8:01 PM EDTSevere Thunderstorm WarningPHIChester23 min
Jul 28, 1:02 PM EDTFlash Flood WarningPHILehigh, Monroe, Northampton4 hr
Jul 28, 5:08 PM EDTSevere Thunderstorm WarningPHILehigh, Northampton15 min
Jul 28, 5:55 PM EDTFlash Flood WarningPHIBerks3 hr
Jul 28, 6:56 PM EDTFlash Flood WarningPHIBucks, Lehigh, Northampton5 hr
Jul 28, 7:08 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery35 min
Jul 28, 7:24 PM EDTFlash Flood WarningPHIChester4 hr
Jul 28, 7:31 PM EDTSevere Thunderstorm WarningPHIBucks, Northampton44 min

Nearby

Tornado Warnings in New Jersey, 2026Tornado Warnings in Delaware, 2026Tornado Warnings in Pennsylvania, 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.