Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 158, NWS Philadelphia/Mount Holly

July 17, 2024Atlantic County, Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 17, 2024, 10:36 PM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 39 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 17, 2024, 10:36 PM EDT (02:36 UTC)
Expired
Jul 17, 2024, 11:15 PM EDT
In force
39 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, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 02:37 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 17, 12:58 PM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.6 hours before the alert went out and 179 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 00:00Z on 2024-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1061 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 00:00Z on 2024-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
1061 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
1312 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

961 
WUUS51 KPHI 180236
SVRPHI
NJC001-005-029-180315-
/O.NEW.KPHI.SV.W.0158.240718T0236Z-240718T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1036 PM EDT Wed Jul 17 2024

The National Weather Service in Mount Holly NJ has issued a

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

* Until 1115 PM EDT.

* At 1036 PM EDT, a severe thunderstorm was located over Mizpah, or 9
  miles east of Vineland, moving northeast 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...
  Egg Harbor City, Tuckerton, Weymouth, Estell Manor, Port Republic,
  Pomona, Mays Landing, Elwood-Magnolia, Wading River, Dorothy, Bass
  River State Forest, Batsto, Mizpah, New Gretna, and Mystic Island.

This includes the following highways...
 Garden State Parkway between mile markers 40 and 56.
 Atlantic City Expressway between mile markers 9 and 24.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3934 7480 3940 7486 3940 7485 3942 7486
      3947 7492 3948 7491 3977 7457 3955 7426
TIME...MOT...LOC 0236Z 232DEG 36KT 3945 7482 

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

$$

PO
2 follow-up statements
762 
WWUS51 KPHI 180258
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1058 PM EDT Wed Jul 17 2024

NJC001-005-029-180315-
/O.CON.KPHI.SV.W.0158.000000T0000Z-240718T0315Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
1058 PM EDT Wed Jul 17 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR CENTRAL ATLANTIC...SOUTH CENTRAL OCEAN AND SOUTHEASTERN
BURLINGTON COUNTIES...

At 1058 PM EDT, a severe thunderstorm was located over Egg Harbor
City, or 16 miles northwest of Atlantic City, moving northeast 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...
Egg Harbor City, Tuckerton, Port Republic, Bass River State Forest,
Batsto, Pomona, Elwood-Magnolia, New Gretna, Wading River, and Mystic
Island.

This includes the following highways...
 Garden State Parkway between mile markers 40 and 56.
 Atlantic City Expressway between mile markers 9 and 23.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3952 7433 3942 7460 3944 7465 3950 7475
      3959 7477 3977 7457 3955 7426
TIME...MOT...LOC 0258Z 232DEG 36KT 3959 7459 

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

$$

PO
792 
WWUS51 KPHI 180315
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1115 PM EDT Wed Jul 17 2024

NJC001-005-029-180325-
/O.EXP.KPHI.SV.W.0158.000000T0000Z-240718T0315Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
1115 PM EDT Wed Jul 17 2024

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ATLANTIC...SOUTH
CENTRAL OCEAN AND SOUTHEASTERN BURLINGTON COUNTIES HAS EXPIRED...

The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been allowed to expire.

LAT...LON 3952 7433 3942 7460 3944 7465 3950 7475
      3959 7477 3977 7457 3955 7426
TIME...MOT...LOC 0315Z 232DEG 36KT 3968 7443 

$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 9:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean51 min
Jul 17, 9:30 PM EDTSpecial Marine WarningPHI90 min
Jul 17, 9:38 PM EDTSpecial Marine WarningPHI97 min
Jul 17, 10:28 PM EDTSpecial Marine WarningPHI92 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.