Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 60, NWS Philadelphia/Mount Holly

June 3, 20207 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 3, 2020, 7:55 PM EDT for 7 counties in New Jersey. It was in force for 33 min. 9 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 3, 2020, 7:55 PM EDT (23:55 UTC)
Expired: Jun 3, 2020, 8:28 PM EDT
In force: 33 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 70.0 mph

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 52 km from the middle of the area, began a volume at 23:53 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 3, 8:02 PM EDT	TSTM WND DMG	Folsom, NJ	POWER LINES REPORTED DOWN IN THE AREA. TIME ESTIMATED.
Jun 3, 8:05 PM EDT	TSTM WND DMG	1 E Hammonton, NJ	SEVERAL REPORTS OF TREES AND WIRES DOWN. TIME ESTIMATED.
Jun 3, 8:08 PM EDT	TSTM WND DMG	1 Sw Mullica Twp, NJ	SEVERAL REPORTS OF TREES DOWN ON ELWOOD ROAD. TIME ESTIMATED.
Jun 3, 8:11 PM EDT	TSTM WND DMG	4 Ne Mullica Twp, NJ	DOWNED TREE AND WIRES NEAR THE INTERSECTION OF ELWOOD ROAD AND PLEASANT MILLS ROAD. TIME ESTIMATED.
Jun 3, 8:22 PM EDT	TSTM WND DMG	Port Republic, NJ	SEVERAL REPORTS OF POWER LINES DOWN IN THE AREA. TIME ESTIMATED.
Jun 3, 8:33 PM EDT	MARINE TSTM WIND 42	4 Se Mystic Island, NJ	WXFLOW SENSOR.
Jun 3, 8:35 PM EDT	MARINE TSTM WIND 46	4 Se Mystic Island, NJ	WXFLOW SENSOR.
Jun 3, 8:36 PM EDT	MARINE TSTM WIND 46	5 Se Mystic Island, NJ	HADS SENSOR.
Jun 3, 8:37 PM EDT	TSTM WND DMG	Beach Haven, NJ	DOWNED POWER LINES REPORTED.

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 3, 3:52 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.9 hours before the alert went out and 191 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: 42 J/kg
Mixed-layer CIN: -279 J/kg
Mixed-layer LCL: 1771 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

358 
WUUS51 KPHI 032355
SVRPHI
NJC001-005-007-011-015-029-033-040045-
/O.NEW.KPHI.SV.W.0060.200603T2355Z-200604T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
755 PM EDT Wed Jun 3 2020

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Atlantic County in southern New Jersey...
  Northeastern Cumberland County in southern New Jersey...
  East central Salem County in southern New Jersey...
  Southeastern Ocean County in southern New Jersey...
  Southeastern Camden County in southern New Jersey...
  Southeastern Gloucester County in southern New Jersey...
  Southern Burlington County in southern New Jersey...

* Until 845 PM EDT.

* At 754 PM EDT, severe thunderstorms were located along a line
  extending from near Tabernacle to Hammonton to Buena, moving
  southeast at 50 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...
  Vineland, Atlantic City, Ocean City, Evesham, Voorhees, Barnegat,
  Pleasantville, Glassboro, Lindenwold, Hammonton, Somers Point,
  Ventnor City, Brigantine, Northfield, Absecon, Clayton, Berlin,
  Tabernacle, Shamong and Margate City.

This includes the following highways...
 Atlantic City Expressway between mile markers 0 and 42.
 Garden State Parkway between mile markers 29 and 67.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

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

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows! Torrential rainfall is occurring with these 
storms, and may lead to flash flooding. Do not drive your vehicle 
through flooded roadways.

&&

LAT...LON 3969 7393 3955 7399 3935 7414 3924 7426
      3916 7437 3927 7457 3929 7455 3928 7459
      3962 7522 3975 7505 3991 7492
TIME...MOT...LOC 2354Z 294DEG 47KT 3982 7468 3967 7477 3954 7493 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

Fitzsimmons

2 follow-up statements

596 
WWUS51 KPHI 040014
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
814 PM EDT Wed Jun 3 2020

NJC007-011-015-033-040022-
/O.CAN.KPHI.SV.W.0060.000000T0000Z-200604T0045Z/
Cumberland NJ-Salem NJ-Camden NJ-Gloucester NJ-
814 PM EDT Wed Jun 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CUMBERLAND...EAST
CENTRAL SALEM...SOUTHEASTERN CAMDEN AND SOUTHEASTERN GLOUCESTER
COUNTIES 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 New Jersey.

LAT...LON 3957 7398 3935 7414 3916 7437 3924 7452
      3928 7456 3929 7455 3929 7459 3928 7459
      3954 7493 3973 7474 3985 7466
TIME...MOT...LOC 0012Z 301DEG 46KT 3972 7446 3956 7455 3943 7471 

$$

NJC001-005-029-040045-
/O.CON.KPHI.SV.W.0060.000000T0000Z-200604T0045Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
814 PM EDT Wed Jun 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR ATLANTIC...SOUTH CENTRAL OCEAN AND SOUTHEASTERN BURLINGTON
COUNTIES...

At 812 PM EDT, severe thunderstorms were located along a line
extending from Penn State Forest to near Egg Harbor City to Mays
Landing, moving southeast at 55 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Atlantic City, Ocean City, Pleasantville, Hammonton, Somers Point,
Ventnor City, Brigantine, Northfield, Absecon, Shamong, Margate City,
Buena, Egg Harbor City, Tuckerton, Weymouth, Estell Manor, Port
Republic, Longport, Elwood-Magnolia and Atsion.

This includes the following highways...
 Atlantic City Expressway between mile markers 0 and 29.
 Garden State Parkway between mile markers 29 and 63.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

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

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage across southern New Jersey. SEEK SHELTER NOW inside a 
sturdy structure and stay away from windows.
 
Torrential rainfall is occurring with these storms, and may lead to
flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3957 7398 3935 7414 3916 7437 3924 7452
      3928 7456 3929 7455 3929 7459 3928 7459
      3954 7493 3973 7474 3985 7466
TIME...MOT...LOC 0012Z 301DEG 46KT 3972 7446 3956 7455 3943 7471 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

Fitzsimmons

261 
WWUS51 KPHI 040028
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
828 PM EDT Wed Jun 3 2020

NJC001-005-029-040038-
/O.CAN.KPHI.SV.W.0060.000000T0000Z-200604T0045Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
828 PM EDT Wed Jun 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR ATLANTIC...SOUTH CENTRAL OCEAN
AND SOUTHEASTERN BURLINGTON COUNTIES IS CANCELLED...
            
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 has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southern New Jersey.

LAT...LON 3957 7398 3935 7414 3916 7437 3924 7452
      3928 7456 3929 7455 3929 7459 3928 7459
      3954 7493 3973 7474 3985 7466
TIME...MOT...LOC 0027Z 294DEG 47KT 3964 7422 3948 7431 3935 7447 

$$

Gorse

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 12:24 AM EDT	Special Weather Statement	PHI	Warren	51 min
Jun 3, 1:08 AM EDT	Special Weather Statement	PHI	Somerset	37 min
Jun 3, 1:44 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Middlesex, Morris, Somerset, Warren	3 hr
Jun 3, 9:48 AM EDT	Small Craft Advisory	PHI		8 hr
Jun 3, 11:04 AM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	41 min
Jun 3, 11:38 AM EDT	Severe Thunderstorm Warning	PHI	Hunterdon	37 min
Jun 3, 11:59 AM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth and 1 more	46 min
Jun 3, 12:06 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	39 min
Jun 3, 12:35 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Mercer, Middlesex, Monmouth, Ocean and 1 more	55 min
Jun 3, 12:38 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	69 min
Jun 3, 12:43 PM EDT	Special Marine Warning	PHI		43 min
Jun 3, 1:01 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	28 min
Jun 3, 1:14 PM EDT	Special Marine Warning	PHI		61 min
Jun 3, 1:14 PM EDT	Special Weather Statement	PHI	Cape May, Cumberland	61 min
Jun 3, 1:20 PM EDT	Special Marine Warning	PHI		55 min
Jun 3, 2:11 PM EDT	Special Marine Warning	PHI		34 min
Jun 3, 7:02 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Cumberland, Gloucester, Salem	58 min
Jun 3, 7:11 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	64 min
Jun 3, 7:21 PM EDT	Tornado Warning	PHI	Burlington, Camden, Gloucester	24 min
Jun 3, 7:53 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	36 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2020 Every severe thunderstorm warning in 2020

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.