Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 25, NWS Philadelphia/Mount Holly

April 26, 20197 counties in New Jersey; Kent County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 26, 2019, 5:37 PM EDT for 7 counties in New Jersey; Kent County, Delaware. It was in force for 38 min. 3 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: Apr 26, 2019, 5:37 PM EDT (21:37 UTC)
Expired: Apr 26, 2019, 6:15 PM EDT
In force: 38 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Kent County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 52 km from the middle of the area, began a volume at 21:40 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
Apr 26, 5:49 PM EDT	TSTM WND DMG	1 Ne Haddonfield, NJ	SEVERAL REPORTS OF WIND DAMAGE BETWEEN CHERRY HILL AND HADDONFIELD, INCLUDING AT THE CONNECT CHURCH, ON KNOLLWOOD DRIVE, ON CORNELL AVENUE, AND ON MASSACHUSETTS AVENUE. NUMEROUS TREES AND POWER LINES DOWN, SEVERAL OF WHICH RESULTED IN PROPERTY DAMAGE.
Apr 26, 5:51 PM EDT	TSTM WND DMG	Ellisburg, NJ	REPORTS OF WIND DAMAGE IN THE ELLISBURG AREA. TREES WERE UPROOTED AND CAUSED PROPERTY DAMAGE AT ONE RESIDENCE ON MAINE AVENUE. TIME ESTIMATED FROM RADAR.
Apr 26, 6:12 PM EDT	TSTM WND DMG	1 Nne Villas, NJ	TREE SPLIT AND INTO WIRES ON BAYSHORE ROAD. 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
Apr 26, 1:33 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.6 hours before the alert went out and 146 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: 44 J/kg
Mixed-layer CIN: -206 J/kg
Mixed-layer LCL: 1440 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

074 
WUUS51 KPHI 262137
SVRPHI
DEC001-NJC001-005-007-009-011-015-033-262215-
/O.NEW.KPHI.SV.W.0025.190426T2137Z-190426T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
537 PM EDT FRI APR 26 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  East central Kent County in central Delaware...
  Atlantic County in southern New Jersey...
  Cumberland County in southern New Jersey...
  East central Salem County in southern New Jersey...
  Camden County in southern New Jersey...
  Gloucester County in southern New Jersey...
  Cape May County in southern New Jersey...
  Central Burlington County in southern New Jersey...

* Until 615 PM EDT.

* At 537 PM EDT, severe thunderstorms were located along a line
  extending from near Woodbury Heights to near Laurel Lake to near
  Big Stone Beach, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Camden, Vineland, Millville, Ocean City, Gloucester City, Cape May,
  Cumberland, Cherry Hill, Evesham, Mount Laurel, Deptford, Voorhees,
  Medford, West Deptford, Pleasantville, Glassboro, Lindenwold,
  Hammonton, Bellmawr and Somers Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

&&

A tornado watch remains in effect until 900 PM EDT for central and
southern Delaware...southern New Jersey...and southeastern
Pennsylvania.

LAT...LON 3891 7492 3893 7500 3915 7492 3919 7508
      3903 7536 3903 7535 3894 7530 3897 7544
      3905 7538 3905 7535 3916 7517 3922 7524
      3930 7518 3985 7526 3990 7513 4000 7456
      3940 7451
TIME...MOT...LOC 2137Z 260DEG 34KT 3978 7513 3932 7508 3905 7531 

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

MPS

1 follow-up statement

048 
WWUS51 KPHI 262207
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
607 PM EDT FRI APR 26 2019

DEC001-NJC001-005-007-009-011-015-033-262216-
/O.EXP.KPHI.SV.W.0025.000000T0000Z-190426T2215Z/
Kent DE-Atlantic NJ-Cumberland NJ-Salem NJ-Camden NJ-Gloucester NJ-
Cape May NJ-Burlington NJ-
607 PM EDT FRI APR 26 2019

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL KENT...
ATLANTIC...CUMBERLAND...EAST CENTRAL SALEM...CAMDEN...GLOUCESTER...
CAPE MAY AND CENTRAL BURLINGTON COUNTIES WILL EXPIRE AT 615 PM EDT...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds and heavy rain are still
possible with these thunderstorms.

A tornado watch remains in effect until 900 PM EDT for central and
southern Delaware...southern New Jersey...and southeastern
Pennsylvania.

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

LAT...LON 3891 7492 3893 7500 3915 7492 3919 7508
      3903 7536 3903 7535 3894 7530 3897 7544
      3905 7538 3905 7535 3916 7517 3922 7524
      3930 7518 3985 7526 3990 7513 4000 7456
      3940 7451
TIME...MOT...LOC 2206Z 260DEG 34KT 3983 7478 3937 7473 3910 7496 

$$

MPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 3:41 AM EDT	Gale Watch	PHI		12 hr
Apr 26, 10:15 AM EDT	Special Weather Statement	PHI	Gloucester, Salem	30 min
Apr 26, 10:53 AM EDT	Special Weather Statement	PHI	Camden, Cumberland, Gloucester	37 min
Apr 26, 11:19 AM EDT	Special Weather Statement	PHI	Cumberland, Salem	41 min
Apr 26, 11:22 AM EDT	Special Marine Warning	PHI		23 min
Apr 26, 11:54 AM EDT	Special Weather Statement	PHI	Burlington, Camden	51 min
Apr 26, 12:30 PM EDT	Special Weather Statement	PHI	Middlesex, Monmouth	45 min
Apr 26, 12:41 PM EDT	Special Weather Statement	PHI	Atlantic, Cumberland	34 min
Apr 26, 1:44 PM EDT	Special Marine Warning	PHI		61 min
Apr 26, 1:53 PM EDT	Special Weather Statement	PHI	Atlantic, Cape May	37 min
Apr 26, 2:17 PM EDT	Special Weather Statement	PHI	Cape May	28 min
Apr 26, 2:33 PM EDT	Areal Flood Advisory	PHI	Atlantic, Cape May	2 hr
Apr 26, 2:52 PM EDT	Special Marine Warning	PHI		53 min
Apr 26, 3:34 PM EDT	Special Marine Warning	PHI		56 min
Apr 26, 3:54 PM EDT	Gale Warning	PHI		23 hr
Apr 26, 4:28 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Gloucester, Salem	47 min
Apr 26, 4:29 PM EDT	Special Marine Warning	PHI		61 min
Apr 26, 4:59 PM EDT	Areal Flood Advisory	PHI	Salem	4 hr
Apr 26, 5:07 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Cumberland, Gloucester, Salem	38 min
Apr 26, 5:15 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 1 more	4 hr
Apr 26, 5:16 PM EDT	Special Marine Warning	PHI		44 min
Apr 26, 5:44 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Hunterdon, Mercer	61 min
Apr 26, 5:56 PM EDT	Special Marine Warning	PHI		64 min
Apr 26, 5:57 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester, Hunterdon, Mercer and 4 more	4 hr
Apr 26, 6:12 PM EDT	Special Weather Statement	PHI	Atlantic, Cape May	33 min
Apr 26, 6:14 PM EDT	Areal Flood Advisory	PHI	Atlantic, Cape May, Cumberland	4 hr
Apr 26, 6:22 PM EDT	Special Weather Statement	PHI	Middlesex, Monmouth, Morris, Ocean, Somerset	113 min
Apr 26, 6:34 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Warren	2 hr
Apr 26, 6:39 PM EDT	Special Marine Warning	PHI		57 min
Apr 26, 9:52 AM EDT	Special Weather Statement	PHI	Kent	38 min
Apr 26, 10:05 AM EDT	Special Weather Statement	PHI	Sussex	40 min
Apr 26, 10:51 AM EDT	Special Weather Statement	PHI	Kent	24 min
Apr 26, 2:01 PM EDT	Areal Flood Advisory	PHI	Sussex	3 hr
Apr 26, 5:39 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Sussex	28 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2019 Severe Thunderstorm Warnings in Delaware, 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.