Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 109, NWS Philadelphia/Mount Holly

July 6, 20205 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2020, 2:00 PM EDT for 5 counties in New Jersey. It was in force for 75 min. 22 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: Jul 6, 2020, 2:00 PM EDT (18:00 UTC)
Expired: Jul 6, 2020, 3:15 PM EDT
In force: 75 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 24 km from the middle of the area, began a volume at 18:00 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
Jul 6, 2:00 PM EDT	TSTM WND DMG	1 Ne Jobstown, NJ	DOWNED WIRES NEAR MONMOUTH ROAD IN SPRINGFILED TWP. TIME ESTIMATED FROM RADAR.
Jul 6, 2:00 PM EDT	HAIL 0.5	Allentown, NJ	MPING REPORT.
Jul 6, 2:00 PM EDT	HAIL 0.7	Robbinsville Twp., NJ	REPORT VIA SOCIAL MEDIA WITH PHOTOS.
Jul 6, 2:00 PM EDT	HAIL 1	2 Nnw Yardville, NJ	REPORT WITH PHOTO OF HAIL TO ABOUT QUARTER SIZE.
Jul 6, 2:00 PM EDT	HAIL 1	Hamilton Square, NJ	MAINLY PENNY SIZE BUT A FEW STONES TO QUARTER SIZE. HAIL FELL FOR AROUND 15 MINUTES.
Jul 6, 2:05 PM EDT	HAIL 1	Allentown, NJ	REPORT VIA SOCIAL MEDIA WITH PHOTO OF HAIL TO AROUND QUARTER SIZE. TIME ESTIMATED FROM RADAR.
Jul 6, 2:10 PM EDT	HAIL 1	Robbinsville Twp., NJ	REPORT VIA SOCIAL MEDIA WITH PHOTOS OF HAIL AROUND QUARTER SIZE.
Jul 6, 2:10 PM EDT	HAIL 1.25	Hamilton, NJ	REPORT VIA SOCIAL MEDIA WITH PHOTO OF HAIL A LITTLE LARGER THAN QUARTER SIZE. TIME ESTIMATED FROM RADAR.
Jul 6, 2:10 PM EDT	HAIL 1.5	2 Nnw Yardville, NJ	REPORT VIA SOCIAL MEDIA WITH PHOTOS OF PING PONG BALL SIZE HAIL.
Jul 6, 2:26 PM EDT	HAIL 1	1 Ssw Toms River, NJ	MPING REPORT.
Jul 6, 2:35 PM EDT	HAIL 0.25	Beachwood, NJ	REPORT VIA SOCIAL MEDIA OF PEA SIZE OR SLIGHTLY LARGER HAIL.
Jul 6, 2:40 PM EDT	TSTM WND DMG	Englishtown, NJ	DOWNED TREE LIMBS AND WIRES NEAR WILSON RAOD IN ENGLISHTOWN. TIME ESTIMATED FROM RADAR.
Jul 6, 2:40 PM EDT	HAIL 0.75	East Manlapan, NJ	REPORT VIA SOCIAL MEDIA WITH PHOTOS.
Jul 6, 2:45 PM EDT	TSTM WND GST 61	Ocean County Airport (K, NJ
Jul 6, 2:45 PM EDT	TSTM WND GST 66	Berkeley Twp, NJ	NJWEATHERNET SITE NJ66.
Jul 6, 2:45 PM EDT	HAIL 0.5	Allentown, NJ	REPORT VIA SOCIAL MEDIA WITH PHOTO.
Jul 6, 2:49 PM EDT	HAIL 0.75	2 Sw Marlboro Twp, NJ	MPING REPORT.
Jul 6, 2:52 PM EDT	HAIL 0.7	Howell, NJ	REPORT VIA SOCIAL MEDIA WITH PHOTOS.
Jul 6, 2:52 PM EDT	HAIL 0.75	3.7 Ssw Howell, NJ	SITE NJ-MN-64. HAIL FELL FOR ABOUT 15 MINUTES.
Jul 6, 3:00 PM EDT	TSTM WND DMG	2 W Wall Twp, NJ	DOWNED TREES AND WIRES NEAR RIDGEWOOD ROAD IN ALLENWOOD. TIME ESTIMATED FROM RADAR.
Jul 6, 3:00 PM EDT	HAIL 1	1 E Lakewood, NJ	REPORT VIA SOCIAL MEDIA WITH PHOTOS. TIME ESTIMATED FROM RADAR.
Jul 6, 3:08 PM EDT	TSTM WND DMG	Manasquan, NJ	DOWNED WIRES NEAR SEA GIRT AVENUE. TIME ESTIMATED FROM RADAR.

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
Jul 6, 1:38 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.0 hours before the alert went out and 144 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: 100 J/kg
Mixed-layer CIN: -192 J/kg
Mixed-layer LCL: 1959 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

581 
WUUS51 KPHI 061800
SVRPHI
NJC005-021-023-025-029-061915-
/O.NEW.KPHI.SV.W.0109.200706T1800Z-200706T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
200 PM EDT Mon Jul 6 2020

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Ocean County in southern New Jersey...
  Southeastern Mercer County in central New Jersey...
  Northeastern Burlington County in southern New Jersey...
  Monmouth County in central New Jersey...
  South central Middlesex County in northern New Jersey...

* Until 315 PM EDT.

* At 200 PM EDT, severe thunderstorms were located along a line
  extending from Windsor to Cream Ridge to Browns Mills to near
  Tabernacle, moving east at 15 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...
  Toms River, Long Branch, Asbury Park, Lakewood, Jackson, Howell,
  Marlboro, Manalapan, Tinton Falls, Red Bank, Beachwood, Manasquan,
  Hightstown, Point Pleasant Beach, Presidential Lakes Estates,
  Seaside Heights, Lakehurst, Allentown, Pemberton and Farmingdale.

This includes the following highways...
 New Jersey Turnpike between exits 8 and 8A.
 Interstate 195 in New Jersey between mile markers 2 and 34.
 Interstate 295 in New Jersey near mile marker 65.
 Garden State Parkway between mile markers 73 and 111.

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.

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 4026 7397 4007 7403 3980 7406 3987 7477
      4016 7469 4026 7470 4038 7396
TIME...MOT...LOC 1800Z 260DEG 14KT 4023 7461 4015 7455 4000 7456 3987
7475

HAIL...1.00IN
WIND...60MPH
 
$$

Gorse

2 follow-up statements

537 
WWUS51 KPHI 061819
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
219 PM EDT Mon Jul 6 2020

NJC005-021-023-025-029-061915-
/O.CON.KPHI.SV.W.0109.000000T0000Z-200706T1915Z/
Ocean NJ-Mercer NJ-Burlington NJ-Monmouth NJ-Middlesex NJ-
219 PM EDT Mon Jul 6 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR OCEAN...SOUTHEASTERN MERCER...NORTHEASTERN BURLINGTON...MONMOUTH
AND SOUTH CENTRAL MIDDLESEX COUNTIES...

At 217 PM EDT, severe thunderstorms were located along a line
extending from Twin Rivers to near Clarksburg to near Woodruff to 
near Leisuretowne, moving east at 15 mph. The most intense storms 
was in far southeastern Mercer County and moving into western 
Monmouth County.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Public. Hail to the size of ping pong balls was reported in 
         Hamilton Mercer County.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Wind damage 
         to roofs, siding, trees, and power lines is possible.

Locations impacted include...
Toms River, Long Branch, Asbury Park, Lakewood, Jackson, Howell,
Marlboro, Manalapan, Tinton Falls, Red Bank, Beachwood, Manasquan,
Hightstown, Point Pleasant Beach, Presidential Lakes Estates, Seaside
Heights, Lakehurst, Allentown, Pemberton and Farmingdale.

This includes the following highways...
 New Jersey Turnpike between exits 8 and 8A.
 Interstate 195 in New Jersey between mile markers 2 and 34.
 Interstate 295 in New Jersey near mile marker 65.
 Garden State Parkway between mile markers 73 and 111.

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 these storms.
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 4026 7397 4007 7403 3980 7406 3987 7477
      4016 7469 4026 7470 4038 7396
TIME...MOT...LOC 1817Z 259DEG 14KT 4025 7448 4016 7447 4001 7448 3988
7467

HAIL...1.50IN
WIND...60MPH
 
$$

Gorse

787 
WWUS51 KPHI 061841
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
241 PM EDT Mon Jul 6 2020

NJC005-021-061850-
/O.CAN.KPHI.SV.W.0109.000000T0000Z-200706T1915Z/
Mercer NJ-Burlington NJ-
241 PM EDT Mon Jul 6 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MERCER AND
NORTHEASTERN BURLINGTON 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 1100 PM EDT for
southern, northern and central New Jersey.

LAT...LON 4027 7397 4007 7403 3980 7406 3984 7443
      3987 7444 4015 7436 4030 7444
TIME...MOT...LOC 1840Z 252DEG 26KT 4032 7424 4022 7422 4007 7425 3987
7442

$$

NJC023-025-029-061915-
/O.CON.KPHI.SV.W.0109.000000T0000Z-200706T1915Z/
Ocean NJ-Monmouth NJ-Middlesex NJ-
241 PM EDT Mon Jul 6 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHEASTERN OCEAN...SOUTHEASTERN MONMOUTH AND SOUTH CENTRAL
MIDDLESEX COUNTIES...

At 240 PM EDT, severe thunderstorms were located along a line
extending from Marlboro to Adelphia to near Lakewood to Old Halfway,
moving east at 30 mph.

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

SOURCE...Public.

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

Locations impacted include...
Toms River, Long Branch, Asbury Park, Lakewood, Jackson, Howell,
Manalapan, Tinton Falls, Beachwood, Manasquan, Point Pleasant Beach,
Seaside Heights, Lakehurst, Farmingdale, Mantoloking, Allenwood, East
Freehold, West Freehold, Adelphia and Vista Center.

This includes the following highways...
 Interstate 195 in New Jersey between mile markers 21 and 34.
 Garden State Parkway between mile markers 73 and 105.

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 these storms.
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 4027 7397 4007 7403 3980 7406 3984 7443
      3987 7444 4015 7436 4030 7444
TIME...MOT...LOC 1840Z 252DEG 26KT 4032 7424 4022 7422 4007 7425 3987
7442

HAIL...1.00IN
WIND...60MPH
 
$$

Gorse

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 3:16 AM EDT	Heat Advisory	PHI	Burlington, Camden, Gloucester, Mercer	12 hr
Jul 6, 12:45 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	60 min
Jul 6, 12:52 PM EDT	Flash Flood Watch	PHI	Burlington, Camden, Gloucester, Mercer, Salem	8 hr
Jul 6, 12:57 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden	2 hr
Jul 6, 1:08 PM EDT	Flash Flood Warning	PHI	Burlington, Camden	4 hr
Jul 6, 1:15 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Monmouth	60 min
Jul 6, 1:43 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	62 min
Jul 6, 1:52 PM EDT	Special Weather Statement	PHI	Ocean	23 min
Jul 6, 2:02 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Mercer, Middlesex, Monmouth, Ocean	118 min
Jul 6, 2:39 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Gloucester, Ocean	66 min
Jul 6, 2:41 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer	49 min
Jul 6, 2:46 PM EDT	Special Marine Warning	PHI		89 min
Jul 6, 2:48 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester, Ocean	4 hr
Jul 6, 2:51 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth	39 min
Jul 6, 2:57 PM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	PHI	Burlington, Camden, Gloucester	4 hr
Jul 6, 3:00 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	45 min
Jul 6, 3:14 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	46 min
Jul 6, 3:18 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Somerset	42 min
Jul 6, 3:34 PM EDT	Areal Flood Advisory	PHI	Middlesex, Monmouth, Somerset	116 min
Jul 6, 3:36 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	54 min
Jul 6, 3:36 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset	39 min
Jul 6, 3:38 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	52 min
Jul 6, 3:44 PM EDT	Special Marine Warning	PHI		61 min
Jul 6, 3:44 PM EDT	Special Marine Warning	PHI		61 min
Jul 6, 3:47 PM EDT	Flash Flood Warning	PHI	Middlesex, Morris, Somerset	4 hr
Jul 6, 3:47 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Camden, Cumberland, Gloucester, Salem	58 min
Jul 6, 4:41 PM EDT	Special Marine Warning	PHI		64 min
Jul 6, 4:45 PM EDT	Special Marine Warning	PHI		41 min
Jul 6, 4:45 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Cumberland, Salem	60 min
Jul 6, 4:58 PM EDT	Special Marine Warning	PHI		62 min
Jul 6, 5:24 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	4 hr
Jul 6, 5:39 PM EDT	Special Marine Warning	PHI		66 min
Jul 6, 5:43 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Cumberland	47 min
Jul 6, 5:57 PM EDT	Special Marine Warning	PHI		63 min
Jul 6, 6:00 PM EDT	Severe Thunderstorm Warning	PHI	Salem	60 min
Jul 6, 6:43 PM EDT	Special Marine Warning	PHI		44 min
Jul 6, 6:56 PM EDT	Special Marine Warning	PHI		47 min
Jul 6, 7:18 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	36 min
Jul 6, 7:55 PM EDT	Special Weather Statement	PHI	Sussex	50 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.