Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 156, NWS Philadelphia/Mount Holly

June 29, 2019Cumberland County, Gloucester County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 29, 2019, 3:14 PM EDT for Cumberland County, Gloucester County, Salem County, New Jersey. It was in force for 46 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 29, 2019, 3:14 PM EDT (19:14 UTC)
Expired: Jun 29, 2019, 4:00 PM EDT
In force: 46 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 80 km from the middle of the area, began a volume at 19:14 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 29, 3:20 PM EDT	HAIL 0.7	Swedesboro, NJ	DIME SIZE HAIL FELL FOR FIVE MINUTES. TIME ESTIMATED FROM RADAR.
Jun 29, 3:20 PM EDT	HAIL 0.7	Woolwich Twp, NJ
Jun 29, 3:40 PM EDT	TSTM WND DMG	1 Ne South Harrison Twp, NJ	TWO TREES BLOWN DOWN.
Jun 29, 3:40 PM EDT	HAIL 1	1 Nne South Harrison Tw, NJ

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 29, 12:08 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.2 hours before the alert went out and 194 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: 783 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1214 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

520 
WUUS51 KPHI 291914
SVRPHI
NJC011-015-033-292000-
/O.NEW.KPHI.SV.W.0156.190629T1914Z-190629T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
314 PM EDT Sat Jun 29 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  North central Cumberland County in southern New Jersey...
  Northeastern Salem County in southern New Jersey...
  Central Gloucester County in southern New Jersey...

* Until 400 PM EDT.

* At 314 PM EDT, a severe thunderstorm was located over Swedesboro,
  or 10 miles east of Wilmington, moving southeast at 20 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...
  Glassboro, Clayton, Woodstown, Swedesboro, Elmer, Beckett,
  Franklinville, Olivet, Mullica Hill, Seabrook Farms and Centerton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3971 7540 3979 7535 3964 7502 3949 7520
TIME...MOT...LOC 1914Z 306DEG 16KT 3971 7534 

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

MPS

2 follow-up statements

624 
WWUS51 KPHI 291931
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
331 PM EDT Sat Jun 29 2019

NJC011-291940-
/O.CAN.KPHI.SV.W.0156.000000T0000Z-190629T2000Z/
Cumberland NJ-
331 PM EDT Sat Jun 29 2019

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

A severe thunderstorm watch remains in effect until 700 PM EDT for
southern New Jersey.

LAT...LON 3964 7534 3976 7529 3964 7502 3955 7513
      3962 7532
TIME...MOT...LOC 1930Z 288DEG 20KT 3970 7523 

$$

NJC015-033-292000-
/O.CON.KPHI.SV.W.0156.000000T0000Z-190629T2000Z/
Salem NJ-Gloucester NJ-
331 PM EDT Sat Jun 29 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR EAST CENTRAL SALEM AND CENTRAL GLOUCESTER COUNTIES...

At 330 PM EDT, a severe thunderstorm was located over Mullica Hill,
or 14 miles southwest of Gloucester City, moving east at 25 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...
Glassboro, Clayton, Woodstown, Elmer, Franklinville and Mullica Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3964 7534 3976 7529 3964 7502 3955 7513
      3962 7532
TIME...MOT...LOC 1930Z 288DEG 20KT 3970 7523 

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

MPS

177 
WWUS51 KPHI 291952
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
352 PM EDT Sat Jun 29 2019

NJC015-033-292002-
/O.EXP.KPHI.SV.W.0156.000000T0000Z-190629T2000Z/
Salem NJ-Gloucester NJ-
352 PM EDT Sat Jun 29 2019

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SALEM AND CENTRAL
GLOUCESTER COUNTIES WILL EXPIRE AT 400 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 700 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 3964 7534 3976 7529 3964 7502 3955 7513
      3962 7532
TIME...MOT...LOC 1952Z 306DEG 16KT 3965 7514 

$$

MPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 8:08 PM EDT	Special Weather Statement	PHI	Burlington	37 min
Jun 29, 1:35 PM EDT	Special Weather Statement	PHI	Camden	25 min
Jun 29, 1:54 PM EDT	Special Weather Statement	PHI	Burlington	36 min
Jun 29, 2:31 PM EDT	Special Weather Statement	PHI	Gloucester	29 min
Jun 29, 3:09 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Camden, Gloucester	37 min
Jun 29, 3:10 PM EDT	Special Marine Warning	PHI		50 min
Jun 29, 3:17 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	43 min
Jun 29, 3:18 PM EDT	Special Marine Warning	PHI		57 min
Jun 29, 3:19 PM EDT	Special Weather Statement	PHI	Ocean	26 min
Jun 29, 3:24 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	36 min
Jun 29, 3:25 PM EDT	Special Weather Statement	PHI	Burlington	35 min
Jun 29, 3:31 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	44 min
Jun 29, 3:45 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	45 min
Jun 29, 3:55 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	50 min
Jun 29, 3:56 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	49 min
Jun 29, 3:59 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	46 min
Jun 29, 4:00 PM EDT	Flash Flood Warning	PHI	Gloucester, Salem	3 hr
Jun 29, 4:01 PM EDT	Flash Flood Warning	PHI	Sussex, Warren	3 hr
Jun 29, 4:05 PM EDT	Special Marine Warning	PHI		55 min
Jun 29, 4:06 PM EDT	Special Marine Warning	PHI		54 min
Jun 29, 4:11 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	49 min
Jun 29, 4:15 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Ocean	30 min
Jun 29, 4:16 PM EDT	Special Marine Warning	PHI		18 min
Jun 29, 4:23 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	27 min
Jun 29, 4:25 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	50 min
Jun 29, 4:26 PM EDT	Special Marine Warning	PHI		49 min
Jun 29, 4:27 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Somerset, Sussex, Warren	48 min
Jun 29, 4:28 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Cumberland, Gloucester, Salem	47 min
Jun 29, 4:39 PM EDT	Special Marine Warning	PHI		96 min
Jun 29, 4:41 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	3 hr
Jun 29, 4:44 PM EDT	Areal Flood Advisory	PHI	Burlington, Ocean	3 hr
Jun 29, 4:52 PM EDT	Special Marine Warning	PHI		34 min
Jun 29, 4:53 PM EDT	Severe Thunderstorm Warning	PHI	Morris	22 min
Jun 29, 4:55 PM EDT	Special Weather Statement	PHI	Ocean	35 min
Jun 29, 5:03 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Morris, Somerset	27 min
Jun 29, 5:05 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Monmouth, Ocean	40 min
Jun 29, 5:08 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Cumberland	67 min
Jun 29, 5:19 PM EDT	Special Marine Warning	PHI		116 min
Jun 29, 5:29 PM EDT	Special Marine Warning	PHI		109 min
Jun 29, 5:32 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	43 min
Jun 29, 5:43 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Cape May, Monmouth, Ocean	32 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2019 Every severe thunderstorm warning in 2019

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.