Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 46, NWS Philadelphia/Mount Holly

June 23, 20244 counties in New Jersey; Bucks County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 23, 2024, 5:56 PM EDT for 4 counties in New Jersey; Bucks County, Philadelphia County, Pennsylvania. It was in force for 49 min. 27 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: Jun 23, 2024, 5:56 PM EDT (21:56 UTC)
Expired: Jun 23, 2024, 6:45 PM EDT
In force: 49 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Bucks County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 44 km from the middle of the area, began a volume at 21:59 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
Jun 23, 5:58 PM EDT	TSTM WND DMG	1 Se Holmesburg, PA	Downed tree. Right lane blocked in Holmesburg on I-95 SB approaching Academy Rd/Exit 32. Time estimated from radar.
Jun 23, 5:59 PM EDT	TSTM WND DMG	1 Se Rittenhouse Square, PA	Report from mPING: 1-inch tree limbs broken; Shingles blown off.
Jun 23, 6:02 PM EDT	TSTM WND DMG	1 Ne Holmesburg, PA	Large tree down at the intersection of Frankfurt Ave and Academy Rd. Time estimated.
Jun 23, 6:02 PM EDT	TSTM WND DMG	1 Nne Holmesburg, PA	Large tree branches down in Pennypack Woods area. Time estimated from radar.
Jun 23, 6:04 PM EDT	TSTM WND DMG	1 Sw Andalusia, PA	Downed tree on I-95 southbound 1.2 miles north of Exit 32: ACADEMY ROAD/LINDEN AVE. There is a lane restriction. Time estimated.
Jun 23, 6:05 PM EDT	TSTM WND GST 50	1 Ssw Palmyra, NJ
Jun 23, 6:06 PM EDT	TSTM WND DMG	Delanco, NJ	Reports of trees down along the Delaware River in Delanco. Time estimated from radar.
Jun 23, 6:06 PM EDT	TSTM WND GST 45	Northeast Philadelphia, PA	ASOS station KPNE Philadelphia Northeast.
Jun 23, 6:07 PM EDT	TSTM WND DMG	Delanco, NJ	Numerous trees down, lines down and a picture of a gazebo collapsed in Delanco. Time estimated from radar.
Jun 23, 6:09 PM EDT	TSTM WND GST 56	Riverton, NJ	Riverton USGS gauge gusted to 56 MPH.
Jun 23, 6:10 PM EDT	TSTM WND DMG	1 Ese Moorestown, NJ	Picture of large tree down on the NJ Turnpike near mile marker 37. Time estimated from radar.
Jun 23, 6:10 PM EDT	TSTM WND DMG	1 Sw Moorestown Twp, NJ	Picture showed a couple of large trees uprooted in the Strawbridge Lake section in Moorestown. Time estimated from radar.
Jun 23, 6:10 PM EDT	TSTM WND DMG	1 Sw Moorestown Twp, NJ	Picture showed a large tree uprooted and onto a house on Highland Avenue in Moorestown. Time estimated from radar.
Jun 23, 6:10 PM EDT	TSTM WND DMG	Croydon, PA	Large tree down across a road in Croydon. Time estimated.
Jun 23, 6:12 PM EDT	TSTM WND DMG	1 Ese Willingboro, NJ	Report of wires down in Willingboro near Veterans Parkway.
Jun 23, 6:15 PM EDT	TSTM WND DMG	Jacksonville, NJ	Large tree down across a fence. Time estimated from radar.
Jun 23, 6:16 PM EDT	TSTM WND DMG	1 S Mount Laurel, NJ	Video of trees down along Church Road in Mount Laurel. The left lane was closed. Time estimated from radar.
Jun 23, 6:20 PM EDT	TSTM WND DMG	Haddon Township, NJ	Multiple trees and large branches down. Biggest was at intersection of Cooper St and Melrose Ave.
Jun 23, 6:20 PM EDT	TSTM WND GST 55	2 Wsw Jobstown, NJ	Home mesonet station reported a 55 MPH wind gust.
Jun 23, 6:21 PM EDT	TSTM WND DMG	1 Ne Evesboro, NJ	Report from mPING: 3-inch tree limbs broken; Power poles broken.
Jun 23, 6:23 PM EDT	TSTM WND GST 43	1 Se South Jersey Regio, NJ	ASOS station KVAY Mount Holly.
Jun 23, 6:32 PM EDT	TSTM WND GST 51	2 E Fort Dix, NJ	AWOS station KWRI McGuire AFB.
Jun 23, 6:34 PM EDT	TSTM WND DMG	1 W Harrison Twp, NJ	Report from mPING: 1-inch tree limbs broken; Shingles blown off. Time adjusted based on radar data.
Jun 23, 6:40 PM EDT	TSTM WND DMG	1 S Mullica Hill, NJ	Report from mPING: 1-inch tree limbs broken; Shingles blown off.
Jun 23, 6:41 PM EDT	TSTM WND DMG	Pemberton Heights, NJ	Numerous large downed branches on the shoulder of CR530.
Jun 23, 6:43 PM EDT	TSTM WND DMG	1 W Pitman, NJ	Tree snapped and lying across the road at intersection of Cedar Ave and Holly Ave. Time estimated.
Jun 23, 6:43 PM EDT	TSTM WND DMG	Pitman, NJ	Trained spotter trees down around Pitman. 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
Jun 23, 4:33 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 203 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 414 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 814 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted.

492 
WUUS51 KPHI 232156
SVRPHI
NJC001-005-007-015-PAC017-101-232245-
/O.NEW.KPHI.SV.W.0046.240623T2156Z-240623T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
556 PM EDT Sun Jun 23 2024

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  North central Atlantic County in southern New Jersey...
  Camden County in southern New Jersey...
  Northeastern Gloucester County in southern New Jersey...
  Burlington County in southern New Jersey...
  Southeastern Bucks County in southeastern Pennsylvania...
  Central Philadelphia County in southeastern Pennsylvania...

* Until 645 PM EDT.

* At 556 PM EDT, severe thunderstorms were located along a line
  extending from Kensington to Westville to Mullica Hill, moving east
  at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Philadelphia, Camden, Gloucester City, Cherry Hill, Evesham, Mount
  Laurel, Willingboro, Deptford, Voorhees, Medford, West Deptford,
  Glassboro, Lindenwold, Hammonton, Lumberton, Florence, Bellmawr,
  Woodbury, Burlington, and Bristol.

This includes the following highways...
 New Jersey Turnpike between exits 2 and 7A.
 Interstate 95 in Pennsylvania between mile markers 15 and 38.
 Interstate 76 in Pennsylvania between mile markers 343 and 351.
 Interstate 76 in New Jersey between mile markers 0 and 3.
 Interstate 295 in New Jersey between mile markers 19 and 56.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Atlantic City Expressway between mile markers 33 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

&&

LAT...LON 3965 7469 3970 7531 3987 7521 4005 7519
      4006 7513 4005 7510 4007 7509 4015 7464
      4013 7459 3991 7452
TIME...MOT...LOC 2156Z 269DEG 36KT 3999 7510 3987 7512 3976 7520 

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

$$

Staarmann

2 follow-up statements

043 
WWUS51 KPHI 232212
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
612 PM EDT Sun Jun 23 2024

NJC001-005-007-015-PAC017-101-232245-
/O.CON.KPHI.SV.W.0046.000000T0000Z-240623T2245Z/
Atlantic NJ-Camden NJ-Gloucester NJ-Burlington NJ-Bucks PA-
Philadelphia PA-
612 PM EDT Sun Jun 23 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR NORTH CENTRAL ATLANTIC...CAMDEN...CENTRAL GLOUCESTER...
BURLINGTON...SOUTHEASTERN BUCKS AND EAST CENTRAL PHILADELPHIA
COUNTIES...

At 612 PM EDT, severe thunderstorms were located along a line
extending from Willingboro to Evesham to Turnersville, moving east at
40 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Evesham, Mount
Laurel, Willingboro, Voorhees, Medford, Glassboro, Lindenwold,
Hammonton, Lumberton, Florence, Bellmawr, Woodbury, Burlington,
Bristol, Mount Holly, and Pitman.

This includes the following highways...
 New Jersey Turnpike between exits 3 and 7A.
 Interstate 95 in Pennsylvania between mile markers 26 and 37.
 Interstate 76 in New Jersey between mile markers 0 and 2.
 Interstate 295 in New Jersey between mile markers 25 and 56.
 Interstate 676 in New Jersey near mile marker 0.
 Atlantic City Expressway between mile markers 33 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3969 7520 3991 7511 4007 7507 4015 7464
      4013 7459 3991 7452 3965 7469
TIME...MOT...LOC 2212Z 267DEG 37KT 4004 7491 3988 7493 3974 7504 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Staarmann

269 
WWUS51 KPHI 232223
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
623 PM EDT Sun Jun 23 2024

PAC101-232233-
/O.CAN.KPHI.SV.W.0046.000000T0000Z-240623T2245Z/
Philadelphia PA-
623 PM EDT Sun Jun 23 2024

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PHILADELPHIA
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 1000 PM EDT for
southern and central New Jersey...and southeastern Pennsylvania.

LAT...LON 3969 7514 3991 7497 4009 7496 4015 7464
      4013 7459 3991 7452 3965 7469
TIME...MOT...LOC 2223Z 267DEG 36KT 4008 7477 3989 7479 3975 7492 

$$

NJC001-005-007-015-PAC017-232245-
/O.CON.KPHI.SV.W.0046.000000T0000Z-240623T2245Z/
Atlantic NJ-Camden NJ-Gloucester NJ-Burlington NJ-Bucks PA-
623 PM EDT Sun Jun 23 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR NORTH CENTRAL ATLANTIC...CAMDEN...EAST CENTRAL GLOUCESTER...
BURLINGTON AND SOUTHEASTERN BUCKS COUNTIES...

At 623 PM EDT, severe thunderstorms were located along a line
extending from near Jacksonville to Medford to near Atco, moving east
at 40 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Evesham, Mount Laurel, Willingboro, Voorhees, Medford, Glassboro,
Lindenwold, Hammonton, Lumberton, Florence, Burlington, Bristol,
Mount Holly, Riverside, Berlin, Tabernacle, Shamong, Presidential
Lakes Estates, Beverly, and Chesilhurst.

This includes the following highways...
 New Jersey Turnpike between exits 4 and 7A.
 Interstate 95 in Pennsylvania between mile markers 35 and 37.
 Interstate 295 in New Jersey between mile markers 37 and 56.
 Atlantic City Expressway between mile markers 33 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3969 7514 3991 7497 4009 7496 4015 7464
      4013 7459 3991 7452 3965 7469
TIME...MOT...LOC 2223Z 267DEG 36KT 4008 7477 3989 7479 3975 7492 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Staarmann

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 8:49 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	26 min
Jun 22, 8:55 PM EDT	Flash Flood Warning	PHI	Hunterdon, Warren	4 hr
Jun 23, 3:16 AM EDT	Rip Current Statement	PHI	Atlantic, Cape May, Ocean	17 hr
Jun 23, 4:48 PM EDT	Severe Thunderstorm Warning	PHI	Salem	42 min
Jun 23, 5:22 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	53 min
Jun 23, 5:52 PM EDT	Special Marine Warning	PHI		53 min
Jun 23, 6:03 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	42 min
Jun 23, 6:32 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Mercer, Middlesex, Monmouth and 1 more	58 min
Jun 23, 6:35 PM EDT	Special Marine Warning	PHI		115 min
Jun 23, 6:36 PM EDT	Special Marine Warning	PHI		114 min
Jun 23, 6:39 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Gloucester, Salem	51 min
Jun 23, 7:13 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Atlantic, Burlington, Camden, Gloucester, Ocean	62 min
Jun 23, 7:14 PM EDT	Special Marine Warning	PHI		2 hr
Jun 23, 7:24 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Salem	51 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2024 Severe Thunderstorm Warnings in Pennsylvania, 2024 Every severe thunderstorm warning in 2024

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.