Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 199, NWS Philadelphia/Mount Holly

August 3, 20205 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 3, 2020, 7:12 PM EDT for 5 counties in New Jersey. It was in force for 48 min. 5 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: Aug 3, 2020, 7:12 PM EDT (23:12 UTC)
Expired: Aug 3, 2020, 8:00 PM EDT
In force: 48 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, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 11 km from the middle of the area, began a volume at 23:12 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
Aug 3, 7:37 PM EDT	TSTM WND DMG	1 E Roosevelt City, NJ	DOWNED POWER LINES NEAR LACEY ROAD IN ROOSEVELT CITY. TIME ESTIMATED FROM RADAR.
Aug 3, 7:51 PM EDT	TSTM WND GST 67	Berkeley Twp, NJ	KMJX ASOS.
Aug 3, 7:51 PM EDT	TSTM WND GST 70	Berkeley Twp, NJ	CORRECTS PREVIOUS TSTM WND GST REPORT FROM BERKELEY TWP. KMJX ASOS.
Aug 3, 7:55 PM EDT	TSTM WND GST 75	Berkeley Twp, NJ	NJWXNET STATION.
Aug 3, 7:59 PM EDT	TSTM WND GST 58	Toms River, NJ	SPOTTER REPORTS 58 MPH WINDS, PENNY SIZE HAIL, AND POWER OUTAGES. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.2 hours before the alert went out and 174 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: 185 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 1124 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

563 
WUUS51 KPHI 032312
SVRPHI
NJC001-005-007-025-029-040000-
/O.NEW.KPHI.SV.W.0199.200803T2312Z-200804T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
712 PM EDT Mon Aug 3 2020

The National Weather Service in Mount Holly NJ has issued a

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

* Until 800 PM EDT.

* At 709 PM EDT, a severe thunderstorm was located over Tabernacle,
  or 24 miles east of Gloucester City, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Toms River, Medford, Hammonton, Beachwood, Berlin, Tabernacle,
  Shamong, Presidential Lakes Estates, Lakehurst, Chesilhurst,
  Pemberton, Wrightstown, Atsion, Holiday City South, Leisuretowne,
  Chatsworth, Georgetown, Atco, Wharton State Forest and Presidential
  Lakes.

This includes Garden State Parkway between mile markers 79 and 83.
 
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.

&&

LAT...LON 3995 7413 3964 7472 3975 7501 4014 7463
      4014 7459 4015 7459
TIME...MOT...LOC 2309Z 222DEG 29KT 3983 7466 

HAIL...<.75IN
WIND...60MPH
 
$$

Robertson

2 follow-up statements

654 
WWUS51 KPHI 032322
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
722 PM EDT Mon Aug 3 2020

NJC001-007-032332-
/O.CAN.KPHI.SV.W.0199.000000T0000Z-200804T0000Z/
Atlantic NJ-Camden NJ-
722 PM EDT Mon Aug 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ATLANTIC AND
SOUTHEASTERN CAMDEN COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3984 7434 3973 7456 3982 7492 3986 7491
      4014 7463 4014 7459 4015 7458 3996 7414
TIME...MOT...LOC 2322Z 225DEG 28KT 3985 7454 

$$

NJC005-025-029-040000-
/O.CON.KPHI.SV.W.0199.000000T0000Z-200804T0000Z/
Ocean NJ-Burlington NJ-Monmouth NJ-
722 PM EDT Mon Aug 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHERN OCEAN...CENTRAL BURLINGTON AND SOUTHWESTERN MONMOUTH
COUNTIES...

At 722 PM EDT, a severe thunderstorm was located over Chatsworth, or
21 miles southwest of Toms River, moving northeast at 30 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...
Toms River, Medford, Beachwood, Tabernacle, Shamong, Presidential
Lakes Estates, Lakehurst, Pemberton, Wrightstown, Holiday City South,
Leisuretowne, Chatsworth, Georgetown, Presidential Lakes, Woodruff,
Holiday City-Berkeley, Bamber Lake, Cedar Glen Lakes, Whiting and
Pine Ridge At Crestwood.

This includes Garden State Parkway between mile markers 80 and 84.
 
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.

Frequent cloud to ground lightning is occurring with this storm. 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 3984 7434 3973 7456 3982 7492 3986 7491
      4014 7463 4014 7459 4015 7458 3996 7414
TIME...MOT...LOC 2322Z 225DEG 28KT 3985 7454 

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

Staarmann

869 
WWUS51 KPHI 032341
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
741 PM EDT Mon Aug 3 2020

NJC025-032351-
/O.CAN.KPHI.SV.W.0199.000000T0000Z-200804T0000Z/
Monmouth NJ-
741 PM EDT Mon Aug 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MONMOUTH COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3981 7439 3983 7452 3993 7459 4005 7460
      4008 7456 4011 7449 3996 7414
TIME...MOT...LOC 2341Z 224DEG 30KT 3996 7435 

$$

NJC005-029-040000-
/O.CON.KPHI.SV.W.0199.000000T0000Z-200804T0000Z/
Ocean NJ-Burlington NJ-
741 PM EDT Mon Aug 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHERN OCEAN AND NORTHEASTERN BURLINGTON COUNTIES...

At 741 PM EDT, a severe thunderstorm was located over Whiting, or 9
miles west of Toms River, moving northeast at 35 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...
Toms River, Beachwood, Presidential Lakes Estates, Lakehurst, Holiday
City South, Presidential Lakes, Woodruff, Holiday City-Berkeley,
Bamber Lake, Cedar Glen Lakes, Whiting, Pine Ridge At Crestwood,
Browns Mills, Old Halfway, Leisure Village West-Pine Lake Park, South
Toms River, Country Lake Estates, Silver Ridge, Holiday City and New
Egypt.

This includes Garden State Parkway between mile markers 80 and 84.
 
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.

Frequent cloud to ground lightning is occurring with this storm. 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 3981 7439 3983 7452 3993 7459 4005 7460
      4008 7456 4011 7449 3996 7414
TIME...MOT...LOC 2341Z 224DEG 30KT 3996 7435 

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

Staarmann

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 8:09 PM EDT	Special Marine Warning	PHI		36 min
Aug 2, 8:53 PM EDT	Rip Current Statement	PHI	Atlantic, Cape May, Monmouth, Ocean	51 hr
Aug 2, 8:53 PM EDT	High Surf Advisory	PHI	Atlantic, Cape May, Monmouth, Ocean	51 hr
Aug 2, 9:01 PM EDT	Special Weather Statement	PHI	Atlantic	44 min
Aug 2, 10:18 PM EDT	Special Weather Statement	PHI	Warren	42 min
Aug 2, 11:42 PM EDT	Special Weather Statement	PHI	Cumberland	33 min
Aug 2, 11:49 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more	41 min
Aug 3, 5:08 AM EDT	Tropical Storm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	39 hr
Aug 3, 4:26 PM EDT	Coastal Flood Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more	38 hr
Aug 3, 6:03 PM EDT	Special Marine Warning	PHI		12 min
Aug 3, 6:05 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	22 min
Aug 3, 6:19 PM EDT	Special Weather Statement	PHI	Salem	26 min
Aug 3, 6:32 PM EDT	Special Weather Statement	PHI	Camden, Cumberland, Gloucester, Salem	28 min
Aug 3, 6:48 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Gloucester	27 min
Aug 3, 6:59 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	31 min
Aug 3, 7:02 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	28 min
Aug 3, 7:20 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Mercer, Monmouth	40 min
Aug 3, 7:43 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	62 min
Aug 3, 7:52 PM EDT	Special Marine Warning	PHI		73 min
Aug 3, 7:56 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset	52 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.