Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 97, NWS Philadelphia/Mount Holly

June 30, 20244 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 30, 2024, 6:40 PM EDT for 4 counties in New Jersey. It was in force for 65 min. 4 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 30, 2024, 6:40 PM EDT (22:40 UTC)
Expired: Jun 30, 2024, 7:45 PM EDT
In force: 65 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 35 km from the middle of the area, began a volume at 22:42 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 30, 6:52 PM EDT	TSTM WND DMG	4 Ese Batsto, NJ	Wires down on Route 563 near Washington Township. Time estimated from radar.
Jun 30, 7:00 PM EDT	TSTM WND DMG	2 E Washington Twp, NJ	Wires down on Chatsworth Road in Washington Township. Time estimated from radar.
Jun 30, 7:05 PM EDT	TSTM WND DMG	2 Ene Bass River State, NJ	NJ Turnpike Auth.: Downed tree on Garden State Parkway northbound South of Exit 58 - CR 539 (Little Egg Harbor Twp) . Time estimated from radar.
Jun 30, 7:15 PM EDT	TSTM WND GST 58	2 Ese Mystic Island, NJ	Twin Lakes Mesonet gusted to 50 kt. Time given in report.

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 30, 11:09 AM EDT	Severe Thunderstorm Watch	SPC	10 hr
Jun 30, 3:21 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.7 hours before the alert went out and 198 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: 856 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 1165 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

157 
WUUS51 KPHI 302240
SVRPHI
NJC001-005-007-029-302345-
/O.NEW.KPHI.SV.W.0097.240630T2240Z-240630T2345Z/

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

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central Atlantic County in southern New Jersey...
  Southeastern Ocean County in southern New Jersey...
  Southeastern Camden County in southern New Jersey...
  Southeastern Burlington County in southern New Jersey...

* Until 745 PM EDT.

* At 640 PM EDT, severe thunderstorms were located along a line
  extending from near Chatsworth to near Hammonton to near Victory
  Lakes, moving east at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Barnegat, Hammonton, Brigantine, Absecon, Shamong, Egg Harbor City,
  Tuckerton, Weymouth, Surf City, Port Republic, Elwood-Magnolia,
  Atsion, Wading River, Warren Grove, Chatsworth, Wharton State
  Forest, Pomona, Brookville, Bass River State Forest, and Batsto.

This includes the following highways...
 Garden State Parkway between mile markers 41 and 72.
 Atlantic City Expressway between mile markers 14 and 32.

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 3977 7398 3938 7427 3956 7494 3961 7488
      3964 7491 3966 7491 3970 7479 3991 7463
TIME...MOT...LOC 2240Z 284DEG 31KT 3984 7459 3968 7470 3961 7492 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hoeflich

4 follow-up statements

443 
WWUS51 KPHI 302259
SVSPHI

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

NJC007-302309-
/O.CAN.KPHI.SV.W.0097.000000T0000Z-240630T2345Z/
Camden NJ-
659 PM EDT Sun Jun 30 2024

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CAMDEN 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 900 PM EDT for
southern New Jersey. A Severe Thunderstorm Watch also remains in
effect until 1100 PM EDT for southern New Jersey.

LAT...LON 3977 7398 3939 7426 3957 7484 3965 7458
      3989 7452
TIME...MOT...LOC 2259Z 283DEG 31KT 3984 7446 3964 7451 3957 7473 

$$

NJC001-005-029-302345-
/O.CON.KPHI.SV.W.0097.000000T0000Z-240630T2345Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
659 PM EDT Sun Jun 30 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR CENTRAL ATLANTIC...SOUTHEASTERN OCEAN AND SOUTHEASTERN BURLINGTON
COUNTIES...

At 659 PM EDT, severe thunderstorms were located along a line
extending from Old Halfway to Wading River to Elwood-Magnolia, moving
east at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Barnegat, Brigantine, Egg Harbor City, Tuckerton, Surf City, Port
Republic, Elwood-Magnolia, Wading River, Brookville, Warren Grove,
Bass River State Forest, Chatsworth, Old Halfway, New Gretna, Penn
State Forest, Beach Haven West, Mystic Island, Folsom, Ocean Acres,
and Manahawkin.

This includes the following highways...
 Garden State Parkway between mile markers 42 and 72.
 Atlantic City Expressway between mile markers 20 and 24.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3977 7398 3939 7426 3957 7484 3965 7458
      3989 7452
TIME...MOT...LOC 2259Z 283DEG 31KT 3984 7446 3964 7451 3957 7473 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hoeflich

730 
WWUS51 KPHI 302310
SVSPHI

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

NJC001-005-029-302345-
/O.CON.KPHI.SV.W.0097.000000T0000Z-240630T2345Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
710 PM EDT Sun Jun 30 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR EAST CENTRAL ATLANTIC...SOUTHEASTERN OCEAN AND SOUTHEASTERN
BURLINGTON COUNTIES...

At 710 PM EDT, severe thunderstorms were located along a line
extending from near Warren Grove to Bass River State Forest to near
Egg Harbor City, moving east at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Emergency management. At 6:45 PM, downed wires were 
         reported in Presidential Lakes, NJ.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Barnegat, Brigantine, Egg Harbor City, Tuckerton, Surf City, Port
Republic, Wading River, Brookville, Warren Grove, Bass River State
Forest, New Gretna, Beach Haven West, Mystic Island, Ocean Acres,
Manahawkin, and Waretown.

This includes Garden State Parkway between mile markers 42 and 70.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3939 7426 3948 7455 3954 7470 3981 7436
      3978 7402 3977 7398
TIME...MOT...LOC 2310Z 283DEG 31KT 3974 7433 3962 7441 3952 7461 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

Hoeflich

936 
WWUS51 KPHI 302331
SVSPHI

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

NJC005-302341-
/O.CAN.KPHI.SV.W.0097.000000T0000Z-240630T2345Z/
Burlington NJ-
731 PM EDT Sun Jun 30 2024

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BURLINGTON 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 900 PM EDT for
southern New Jersey. A Severe Thunderstorm Watch also remains in
effect until 1100 PM EDT for southern New Jersey.

LAT...LON 3977 7398 3939 7426 3945 7442 3963 7436
      3981 7433
TIME...MOT...LOC 2331Z 272DEG 22KT 3977 7426 3963 7428 3948 7440 

$$

NJC001-029-302345-
/O.CON.KPHI.SV.W.0097.000000T0000Z-240630T2345Z/
Atlantic NJ-Ocean NJ-
731 PM EDT Sun Jun 30 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR EASTERN ATLANTIC AND SOUTHEASTERN OCEAN COUNTIES...

At 731 PM EDT, severe thunderstorms were located along a line
extending from near Brookville to near Tuckerton to near Brigantine,
moving east at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Mesonet. At 7:15 PM, a mesonet near Mystic Island gusted to 
         60 MPH. 

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Barnegat, Brigantine, Tuckerton, Surf City, Brookville, Beach Haven
West, Mystic Island, Manahawkin, Ocean Acres, and Waretown.

This includes Garden State Parkway between mile markers 58 and 70.
 
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 this storm, and
the storm will affect the beaches. For your safety, immediately move
off the beach and seek shelter indoors.

&&

LAT...LON 3977 7398 3939 7426 3945 7442 3963 7436
      3981 7433
TIME...MOT...LOC 2331Z 272DEG 22KT 3977 7426 3963 7428 3948 7440 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

Hoeflich

870 
WWUS51 KPHI 302340
SVSPHI

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

NJC001-029-302350-
/O.EXP.KPHI.SV.W.0097.000000T0000Z-240630T2345Z/
Atlantic NJ-Ocean NJ-
740 PM EDT Sun Jun 30 2024

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ATLANTIC AND
SOUTHEASTERN OCEAN COUNTIES WILL EXPIRE AT 745 PM EDT...

The storms which prompted the warning have moved offshore.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern New Jersey. A Severe Thunderstorm Watch also remains in
effect until 1100 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 3977 7398 3939 7426 3945 7442 3963 7436
      3981 7433
TIME...MOT...LOC 2340Z 283DEG 31KT 3974 7414 3961 7418 3946 7430 

$$

Hoeflich

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 7:23 AM EDT	Flash Flood Warning	PHI	Atlantic, Cape May, Cumberland	4 hr
Jun 30, 8:00 AM EDT	Special Marine Warning	PHI		49 min
Jun 30, 1:57 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	48 min
Jun 30, 2:10 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	50 min
Jun 30, 2:42 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	63 min
Jun 30, 3:16 PM EDT	Small Craft Advisory	PHI		21 hr
Jun 30, 3:26 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Warren	49 min
Jun 30, 4:10 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Morris, Somerset	35 min
Jun 30, 4:25 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	50 min
Jun 30, 4:37 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer	53 min
Jun 30, 4:44 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Morris, Somerset	31 min
Jun 30, 4:53 PM EDT	Flash Flood Warning	PHI	Hunterdon, Middlesex, Morris, Somerset	3 hr
Jun 30, 5:09 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	51 min
Jun 30, 5:11 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Somerset	49 min
Jun 30, 5:20 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	25 min
Jun 30, 5:26 PM EDT	Special Marine Warning	PHI		34 min
Jun 30, 5:51 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Salem	39 min
Jun 30, 5:54 PM EDT	Flash Flood Warning	PHI	Burlington, Camden, Gloucester	3 hr
Jun 30, 5:55 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth, Somerset	50 min
Jun 30, 6:06 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem	39 min
Jun 30, 6:17 PM EDT	Special Marine Warning	PHI		58 min
Jun 30, 6:26 PM EDT	Special Marine Warning	PHI		64 min
Jun 30, 6:35 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	40 min
Jun 30, 6:42 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth	48 min
Jun 30, 6:44 PM EDT	Special Marine Warning	PHI		2 hr
Jun 30, 6:49 PM EDT	Special Marine Warning	PHI		83 min
Jun 30, 7:00 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	45 min
Jun 30, 7:31 PM EDT	Severe Thunderstorm Warning	PHI	Salem	44 min
Jun 30, 7:34 PM EDT	Special Marine Warning	PHI		27 min
Jun 30, 7:37 PM EDT	Special Marine Warning	PHI		53 min
Jun 30, 7:43 PM EDT	Severe Thunderstorm Warning	PHI	Cape May, Cumberland	24 min
Jun 30, 7:56 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Camden, Cumberland, Gloucester, Salem	49 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 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.