Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 96, NWS Philadelphia/Mount Holly

June 30, 2024Camden County, Gloucester County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 30, 2024, 6:35 PM EDT for Camden County, Gloucester County, Salem County, New Jersey. It was in force for 40 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
Jun 30, 2024, 6:35 PM EDT (22:35 UTC)
Expired
Jun 30, 2024, 7:15 PM EDT
In force
40 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Camden County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 22:37 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
Jun 30, 7:00 PM EDTTSTM WND GST 50Pitman, NJestimated.

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
Jun 30, 11:09 AM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.6 hours before the alert went out and 205 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, Wallops Is Stn, VA at 12:00Z on 2024-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1755 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, Wallops Is Stn, VA at 12:00Z on 2024-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 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
1755 J/kg
Mixed-layer CIN
-141 J/kg
Mixed-layer LCL
1355 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

949 
WUUS51 KPHI 302235
SVRPHI
NJC007-015-033-302315-
/O.NEW.KPHI.SV.W.0096.240630T2235Z-240630T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
635 PM EDT Sun Jun 30 2024

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern Salem County in southern New Jersey...
  Southern Camden County in southern New Jersey...
  Gloucester County in southern New Jersey...

* Until 715 PM EDT.

* At 635 PM EDT, a severe thunderstorm was located over Swedesboro,
  or 10 miles east of Wilmington, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Chester, Glassboro, Lindenwold, Pitman, Clayton, Berlin, Paulsboro,
  Woodstown, Woodbury Heights, Swedesboro, Chesilhurst,
  Franklinville, Sicklerville, Beckett, Atco, Victory Lakes,
  Williamstown, Mullica Hill, Gibbstown, and Turnersville.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 2.
 Interstate 295 in New Jersey between mile markers 6 and 19.
 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.

&&

LAT...LON 3969 7478 3956 7494 3967 7545 3981 7541
      3984 7536 3980 7491 3978 7489 3979 7483
      3979 7481 3975 7476
TIME...MOT...LOC 2235Z 280DEG 26KT 3974 7533 

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

$$

Hoeflich
2 follow-up statements
149 
WWUS51 KPHI 302257
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
657 PM EDT Sun Jun 30 2024

NJC007-015-033-302315-
/O.CON.KPHI.SV.W.0096.000000T0000Z-240630T2315Z/
Salem NJ-Camden NJ-Gloucester NJ-
657 PM EDT Sun Jun 30 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR EAST CENTRAL SALEM...SOUTHERN CAMDEN AND CENTRAL GLOUCESTER
COUNTIES...

At 656 PM EDT, a severe thunderstorm was located over Glassboro, or
12 miles south of Gloucester City, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Glassboro, Pitman, Clayton, Berlin, Chesilhurst, Atco, Franklinville,
Victory Lakes, Sicklerville, Williamstown, Mullica Hill,
Turnersville, Monroe Township, Pine Hill, Clementon, Wenonah, Pine
Valley, Oak Valley, and Blackwood.

This includes 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.

&&

LAT...LON 3965 7531 3981 7520 3980 7496 3980 7491
      3978 7489 3979 7483 3979 7481 3977 7479
      3966 7482 3956 7494 3959 7508
TIME...MOT...LOC 2256Z 280DEG 26KT 3971 7513 

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

$$

Hoeflich
304 
WWUS51 KPHI 302305
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
705 PM EDT Sun Jun 30 2024

NJC007-015-033-302315-
/O.EXP.KPHI.SV.W.0096.000000T0000Z-240630T2315Z/
Salem NJ-Camden NJ-Gloucester NJ-
705 PM EDT Sun Jun 30 2024

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SALEM...SOUTHERN
CAMDEN AND CENTRAL GLOUCESTER COUNTIES WILL EXPIRE AT 715 PM EDT...

The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 900 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 3965 7531 3981 7520 3980 7496 3980 7491
      3978 7489 3979 7483 3979 7481 3977 7479
      3966 7482 3956 7494 3959 7508
TIME...MOT...LOC 2305Z 280DEG 26KT 3970 7507 

$$

Hoeflich

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:23 AM EDTFlash Flood WarningPHIAtlantic, Cape May, Cumberland4 hr
Jun 30, 8:00 AM EDTSpecial Marine WarningPHI49 min
Jun 30, 1:57 PM EDTSevere Thunderstorm WarningPHISussex, Warren48 min
Jun 30, 2:10 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren50 min
Jun 30, 2:42 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex, Warren63 min
Jun 30, 3:16 PM EDTSmall Craft AdvisoryPHI21 hr
Jun 30, 3:26 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Warren49 min
Jun 30, 4:10 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset35 min
Jun 30, 4:25 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester50 min
Jun 30, 4:37 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer53 min
Jun 30, 4:44 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset31 min
Jun 30, 4:53 PM EDTFlash Flood WarningPHIHunterdon, Middlesex, Morris, Somerset3 hr
Jun 30, 5:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden51 min
Jun 30, 5:11 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Somerset49 min
Jun 30, 5:20 PM EDTSevere Thunderstorm WarningPHIMonmouth25 min
Jun 30, 5:26 PM EDTSpecial Marine WarningPHI34 min
Jun 30, 5:51 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Salem39 min
Jun 30, 5:54 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester3 hr
Jun 30, 5:55 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth, Somerset50 min
Jun 30, 6:06 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem39 min
Jun 30, 6:17 PM EDTSpecial Marine WarningPHI58 min
Jun 30, 6:26 PM EDTSpecial Marine WarningPHI64 min
Jun 30, 6:40 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Ocean65 min
Jun 30, 6:42 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth48 min
Jun 30, 6:44 PM EDTSpecial Marine WarningPHI2 hr
Jun 30, 6:49 PM EDTSpecial Marine WarningPHI83 min
Jun 30, 7:00 PM EDTSevere Thunderstorm WarningPHICumberland45 min
Jun 30, 7:31 PM EDTSevere Thunderstorm WarningPHISalem44 min
Jun 30, 7:34 PM EDTSpecial Marine WarningPHI27 min
Jun 30, 7:37 PM EDTSpecial Marine WarningPHI53 min
Jun 30, 7:43 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland24 min
Jun 30, 7:56 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem49 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2024Every 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.