Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 159, NWS Philadelphia/Mount Holly

July 5, 20264 states

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 5, 2026, 10:37 PM EDT for 4 states. It was in force for 38 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
Jul 5, 2026, 10:37 PM EDT (02:37 UTC)
Expired
Jul 5, 2026, 11:15 PM EDT
In force
38 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Kent County, DE, New Castle County, DE, Kent County, MD, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Chester County, PA, Delaware County, PA, Montgomery County, PA

The radar

The Dover AFB radar (KDOX), 95 km from the middle of the area, began a volume at 02:40 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.

IssuedProductOfficeLasted
Jul 5, 6:44 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 2.6 hours before the alert went out and 168 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 00:00Z on 2026-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2754 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2026-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 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
2754 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1313 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

959 
WUUS51 KPHI 060237
SVRPHI
DEC001-003-MDC029-NJC011-015-033-PAC029-045-091-060315-
/O.NEW.KPHI.SV.W.0159.260706T0237Z-260706T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1037 PM EDT Sun Jul 5 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  New Castle County in northern Delaware...
  Northern Kent County in central Delaware...
  Northeastern Kent County in northeastern Maryland...
  Northwestern Cumberland County in southern New Jersey...
  Salem County in southern New Jersey...
  Northwestern Gloucester County in southern New Jersey...
  South central Montgomery County in southeastern Pennsylvania...
  Chester County in southeastern Pennsylvania...
  Delaware County in southeastern Pennsylvania...

* Until 1115 PM EDT.

* At 1037 PM EDT, severe thunderstorms were located along a line
  extending from near Coatesville to near Stanton to near Delaney
  Corner, 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...
  Wilmington, Newark, Bridgeton, Middletown, West Chester, Chester,
  Phoenixville, West Norriton, Pennsville, Coatesville, Westtown,
  Smyrna, Carneys Point, Downingtown, Swarthmore, Elsmere, Kennett
  Square, New Castle, Penns Grove, and Salem.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 2.
 Pennsylvania Turnpike between mile markers 308 and 326.
 Interstate 95 in Pennsylvania between mile markers 0 and 9.
 Interstate 95 in Delaware between mile markers 2 and 23.
 Interstate 76 in Pennsylvania near mile marker 327.
 Interstate 295 in New Jersey between mile markers 0 and 17.
 Interstate 476 in Pennsylvania between mile markers 0 and 8, and
near mile marker 11.

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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4005 7593 4018 7544 3970 7520 3922 7524
      3922 7575 3924 7575 3925 7579 3966 7575
      4000 7597
TIME...MOT...LOC 0237Z 262DEG 29KT 4002 7588 3967 7567 3931 7571 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS
2 follow-up statements
008 
WWUS51 KPHI 060252
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1052 PM EDT Sun Jul 5 2026

MDC029-060301-
/O.CAN.KPHI.SV.W.0159.000000T0000Z-260706T0315Z/
Kent MD-
1052 PM EDT Sun Jul 5 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KENT 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 100 AM EDT for
central and northern Delaware...southern New Jersey...and
southeastern Pennsylvania.

LAT...LON 4018 7544 3970 7520 3924 7524 3924 7573
      3966 7571 4005 7593
TIME...MOT...LOC 0251Z 262DEG 29KT 4003 7578 3968 7557 3932 7561 

$$

DEC001-003-NJC011-015-033-PAC029-045-091-060315-
/O.CON.KPHI.SV.W.0159.000000T0000Z-260706T0315Z/
New Castle DE-Kent DE-Cumberland NJ-Salem NJ-Gloucester NJ-
Montgomery PA-Chester PA-Delaware PA-
1052 PM EDT Sun Jul 5 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR NEW CASTLE...NORTHERN KENT...NORTHWESTERN CUMBERLAND...SALEM...
NORTHWESTERN GLOUCESTER...SOUTH CENTRAL MONTGOMERY...CENTRAL CHESTER
AND DELAWARE COUNTIES...

At 1051 PM EDT, severe thunderstorms were located along a line
extending from near Coatesville to New Castle to Smyrna, 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...
Wilmington, Newark, Bridgeton, Middletown, West Chester, Chester,
Phoenixville, West Norriton, Pennsville, Coatesville, Westtown,
Smyrna, Carneys Point, Downingtown, Swarthmore, Elsmere, Kennett
Square, New Castle, Penns Grove, and Salem.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 2.
 Pennsylvania Turnpike between mile markers 308 and 326.
 Interstate 95 in Pennsylvania between mile markers 0 and 9.
 Interstate 95 in Delaware between mile markers 5 and 23.
 Interstate 76 in Pennsylvania near mile marker 327.
 Interstate 295 in New Jersey between mile markers 0 and 17.
 Interstate 476 in Pennsylvania between mile markers 0 and 8, and
near mile marker 11.

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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4018 7544 3970 7520 3924 7524 3924 7573
      3966 7571 4005 7593
TIME...MOT...LOC 0251Z 262DEG 29KT 4003 7578 3968 7557 3932 7561 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS
548 
WWUS51 KPHI 060313
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1113 PM EDT Sun Jul 5 2026

DEC001-003-NJC011-015-033-PAC029-045-091-060323-
/O.EXP.KPHI.SV.W.0159.000000T0000Z-260706T0315Z/
New Castle DE-Kent DE-Cumberland NJ-Salem NJ-Gloucester NJ-
Montgomery PA-Chester PA-Delaware PA-
1113 PM EDT Sun Jul 5 2026

...THE SEVERE THUNDERSTORM WARNING FOR NEW CASTLE...NORTHERN KENT...
NORTHWESTERN CUMBERLAND...SALEM...NORTHWESTERN GLOUCESTER...SOUTH
CENTRAL MONTGOMERY...CENTRAL CHESTER AND DELAWARE COUNTIES WILL
EXPIRE AT 1115 PM EDT...

The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
central and 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 4018 7544 3970 7520 3924 7524 3924 7573
      3966 7571 4005 7593
TIME...MOT...LOC 0313Z 262DEG 29KT 4005 7559 3970 7538 3934 7542 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 9:01 PM EDTSevere Thunderstorm WarningPHIKent59 min
Jul 5, 9:18 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's42 min
Jul 5, 9:31 PM EDTSevere Thunderstorm WarningPHIQueen Anne's, Talbot44 min
Jul 5, 9:57 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot63 min
Jul 6, 6:40 AM EDTFlash Flood WarningPHICaroline, Kent, Queen Anne's2 hr
Jul 6, 6:10 PM EDTFlash Flood WarningPHICaroline, Talbot90 min
Jul 5, 8:37 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset38 min
Jul 5, 9:14 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex46 min
Jul 5, 9:58 PM EDTSpecial Marine WarningPHI2 hr
Jul 5, 10:05 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem40 min
Jul 5, 10:21 PM EDTSpecial Marine WarningPHI84 min
Jul 5, 11:00 PM EDTFlash Flood Warning Considerable damage threatPHIBurlington, Camden, Gloucester, Salem4 hr
Jul 5, 11:30 PM EDTSevere Thunderstorm WarningPHICamden, Cumberland, Gloucester, Salem45 min
Jul 6, 12:01 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem29 min
Jul 6, 9:16 AM EDTFlash Flood WarningPHIHunterdon, Mercer, Somerset2 hr
Jul 6, 9:27 AM EDTFlash Flood WarningPHICumberland, Gloucester, Salem3 hr
Jul 6, 10:15 AM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester4 hr
Jul 6, 10:27 AM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Salem4 hr
Jul 6, 10:38 AM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean4 hr
Jul 6, 11:01 AM EDTSpecial Marine WarningPHI78 min
Jul 6, 11:02 AM EDTFlash Flood WarningPHIMiddlesex, Monmouth4 hr
Jul 6, 11:13 AM EDTFlash Flood Warning Considerable damage threatPHIBurlington3 hr
Jul 6, 11:44 AM EDTFlash Flood Warning Considerable damage threatPHIMonmouth, Ocean4 hr
Jul 6, 1:46 PM EDTSpecial Marine WarningPHI59 min
Jul 6, 2:15 PM EDTAreal Flood WarningPHIBurlington, Camden, Gloucester4 hr
Jul 6, 2:40 PM EDTAreal Flood WarningPHIBurlington4 hr
Jul 6, 3:07 PM EDTAreal Flood WarningPHIMonmouth, Ocean4 hr
Jul 6, 3:39 PM EDTSpecial Marine WarningPHI48 min
Jul 6, 3:50 PM EDTSpecial Marine WarningPHI55 min
Jul 6, 4:36 PM EDTSpecial Marine WarningPHI54 min
Jul 6, 5:23 PM EDTSpecial Marine WarningPHI82 min
Jul 6, 3:35 PM EDTSevere Thunderstorm WarningPHIKent, Sussex55 min
Jul 6, 4:17 PM EDTFlash Flood WarningPHIKent, Sussex3 hr
Jul 5, 8:58 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery77 min
Jul 5, 9:05 PM EDTFlash Flood Warning Considerable damage threatPHIBerks6 hr
Jul 5, 10:32 PM EDTFlash Flood WarningPHICarbon, Monroe4 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2026Severe Thunderstorm Warnings in Pennsylvania, 2026Severe Thunderstorm Warnings in Delaware, 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.