Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 67, NWS Philadelphia/Mount Holly

May 28, 20194 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 28, 2019, 6:59 PM EDT for 4 counties in New Jersey. It was in force for 61 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: May 28, 2019, 6:59 PM EDT (22:59 UTC)
Expired: May 28, 2019, 8:00 PM EDT
In force: 61 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

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

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 22:59 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
May 28, 7:05 PM EDT	HAIL 1	Salem, NJ
May 28, 7:23 PM EDT	HAIL 0.88	Bridgeton, NJ
May 28, 7:42 PM EDT	HAIL 1.5	Salem, NJ
May 28, 8:02 PM EDT	TSTM WND DMG	1 W Hopewell Twp., NJ	EMERGENCY MANAGEMENT REPORTS NUMEROUS TREES DOWN WEST OF BRIDGETON IN THE AREA OF ROADSTOWN ROAD AND RANDOLPH ROAD.
May 28, 8:06 PM EDT	TSTM WND DMG	2 Ssw Shiloh, NJ	SEVERAL REPORTS OF ABOUT 10 POWER POLES SNAPPED ALONG ROADSTOWN ROAD BETWEEN RANDOLPH ROAD AND ROADSTOWN. 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
May 28, 1:48 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.0 hours before the alert went out and 166 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1242 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

157 
WUUS51 KPHI 282259
SVRPHI
NJC001-011-015-033-290000-
/O.NEW.KPHI.SV.W.0067.190528T2259Z-190529T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
659 PM EDT Tue May 28 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southwestern Atlantic County in southern New Jersey...
  Cumberland County in southern New Jersey...
  Salem County in southern New Jersey...
  Southern Gloucester County in southern New Jersey...

* Until 800 PM EDT.

* At 659 PM EDT, a severe thunderstorm was located over Hancocks
  Bridge, or 13 miles northwest of Bridgeton, moving southeast at 35
  mph.

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

  SOURCE...Radar indicated.

  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...
  Vineland, Millville, Bridgeton, Cumberland, Salem, Buena, Laurel
  Lake, Woodstown, Alloway, Quinton, Estell Manor, Newfield, Elmer,
  Greenwich, Shiloh, Newport, Leesburg, Hancocks Bridge, Dorothy and
  Newport Meadows.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect until 1000 PM EDT for southern New
Jersey.

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

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

&&

LAT...LON 3931 7483 3931 7488 3917 7492 3919 7503
      3922 7503 3918 7515 3930 7525 3929 7529
      3940 7545 3944 7546 3946 7554 3954 7554
      3962 7547 3961 7547 3958 7548 3960 7545
      3963 7547 3967 7544 3955 7497 3942 7478
TIME...MOT...LOC 2259Z 302DEG 30KT 3950 7546 

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

Iovino

2 follow-up statements

584 
WWUS51 KPHI 282324
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
724 PM EDT Tue May 28 2019

NJC015-282333-
/O.CAN.KPHI.SV.W.0067.000000T0000Z-190529T0000Z/
Gloucester NJ-
724 PM EDT Tue May 28 2019

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

A tornado watch remains in effect until 1000 PM EDT for southern New
Jersey.

LAT...LON 3931 7483 3931 7488 3917 7492 3919 7503
      3922 7503 3918 7515 3930 7525 3929 7529
      3940 7545 3944 7546 3951 7519 3949 7500
      3942 7478
TIME...MOT...LOC 2323Z 300DEG 33KT 3939 7521 

$$

NJC001-011-033-290000-
/O.CON.KPHI.SV.W.0067.000000T0000Z-190529T0000Z/
Atlantic NJ-Cumberland NJ-Salem NJ-
724 PM EDT Tue May 28 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHWESTERN ATLANTIC...CUMBERLAND AND SOUTHEASTERN SALEM
COUNTIES...

At 723 PM EDT, a severe thunderstorm was located over Fairton, or
near Bridgeton, moving southeast at 35 mph.

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

SOURCE...Trained weather spotters. Hail up to quarter size has been 
         reported.

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

Locations impacted include...
Vineland, Millville, Bridgeton, Cumberland, Laurel Lake, Estell
Manor, Greenwich, Shiloh, Newport, Leesburg, Dorothy, Newport
Meadows, Bricksboro, Fortesque, Mauricetown, Port Norris, Dividing
Creek, Fairton, Cedarville and Port Elizabeth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect until 1000 PM EDT for southern New
Jersey.

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 3931 7483 3931 7488 3917 7492 3919 7503
      3922 7503 3918 7515 3930 7525 3929 7529
      3940 7545 3944 7546 3951 7519 3949 7500
      3942 7478
TIME...MOT...LOC 2323Z 300DEG 33KT 3939 7521 

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

Gorse

802 
WWUS51 KPHI 282333
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
733 PM EDT Tue May 28 2019

NJC001-033-282342-
/O.CAN.KPHI.SV.W.0067.000000T0000Z-190529T0000Z/
Atlantic NJ-Salem NJ-
733 PM EDT Tue May 28 2019

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

A tornado watch remains in effect until 1000 PM EDT for southern New
Jersey.

LAT...LON 3931 7489 3924 7490 3923 7492 3917 7492
      3919 7503 3922 7503 3921 7511 3918 7515
      3921 7517 3924 7517 3928 7524 3941 7533
      3945 7512 3936 7490 3933 7486
TIME...MOT...LOC 2332Z 305DEG 31KT 3933 7513 

$$

NJC011-290000-
/O.CON.KPHI.SV.W.0067.000000T0000Z-190529T0000Z/
Cumberland NJ-
733 PM EDT Tue May 28 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHERN CUMBERLAND COUNTY...

At 732 PM EDT, a severe thunderstorm was located near Newport, or
near Millville, moving southeast at 35 mph.

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

SOURCE...Trained weather spotters. Hail up to the size of quarters 
         has been reported.

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

Locations impacted include...
Millville, Bridgeton, Cumberland, Laurel Lake, Newport, Mauricetown,
Leesburg, Port Norris, Dividing Creek, Fairton, Bricksboro,
Cedarville, Port Elizabeth and Bivalve.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect until 1000 PM EDT for southern New
Jersey.

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

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 3931 7489 3924 7490 3923 7492 3917 7492
      3919 7503 3922 7503 3921 7511 3918 7515
      3921 7517 3924 7517 3928 7524 3941 7533
      3945 7512 3936 7490 3933 7486
TIME...MOT...LOC 2332Z 305DEG 31KT 3933 7513 

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
May 28, 9:17 AM EDT	Special Marine Warning	PHI		58 min
May 28, 9:31 AM EDT	Special Weather Statement	PHI	Cape May	44 min
May 28, 6:04 PM EDT	Special Weather Statement	PHI	Salem	41 min
May 28, 6:11 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Salem	64 min
May 28, 6:13 PM EDT	Special Marine Warning	PHI		62 min
May 28, 6:52 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	38 min
May 28, 7:20 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Salem	40 min
May 28, 7:39 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	66 min
May 28, 7:53 PM EDT	Severe Thunderstorm Warning	PHI	Cape May, Cumberland, Salem	52 min
May 28, 7:55 PM EDT	Areal Flood Advisory	PHI	Cumberland, Salem	2 hr
May 28, 7:59 PM EDT	Areal Flood Advisory	PHI	Morris, Sussex, Warren	2 hr
May 28, 7:59 PM EDT	Tornado Warning	PHI	Cumberland	31 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.