Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 118, NWS Philadelphia/Mount Holly

June 2, 2019Cumberland County, Gloucester County, Salem County, New Jersey; Chester County, Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2019, 6:43 PM EDT for Cumberland County, Gloucester County, Salem County, New Jersey; Chester County, Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware. It was in force for 47 min. 7 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 2, 2019, 6:43 PM EDT (22:43 UTC)
Expired
Jun 2, 2019, 7:30 PM EDT
In force
47 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties New Castle County, DE, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Chester County, PA, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 96 km from the middle of the area, began a volume at 22:46 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

TimeReportWhereRemark
Jun 2, 6:45 PM EDTTSTM WND DMG1 E Midvale, DEREPORT OF WIRES DOWN ON DUPONT HIGHWAY NEAR WILMINGTON MANOR. TIME ESTIMATED FROM RADAR.
Jun 2, 6:47 PM EDTHAIL 1Wilmington, DEDIME TO QUARTER SIZE HAIL REPORTED IN WILMINGTON.
Jun 2, 6:52 PM EDTHAIL 1Monroe Park, DE
Jun 2, 6:53 PM EDTHAIL 0.75Carrcroft, DEOBSERVED AT BELLEVUE STATE PARK.
Jun 2, 7:05 PM EDTTSTM WND GST 461 Wnw Cedarville, NJNJWXNET GAUGE.
Jun 2, 7:17 PM EDTTSTM WND DMG1 Ese Upper Pittsgrove, NJU.S. HIGHWAY 40 CLOSED BETWEEN STATE HIGHWAY 77 AND COUNTY ROAD 648 OWING TO DOWNED POWER CABLES. TIME ESTIMATED FROM RADAR.
Jun 2, 7:32 PM EDTHAIL 0.25Sewell, 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.

IssuedProductOfficeLasted
Jun 2, 3:05 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.7 hours before the alert went out and 185 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-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2019-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2019-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1413 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

320 
WUUS51 KPHI 022243
SVRPHI
DEC003-NJC011-015-033-PAC029-045-101-022330-
/O.NEW.KPHI.SV.W.0118.190602T2243Z-190602T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
643 PM EDT Sun Jun 2 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern New Castle County in northern Delaware...
  Northwestern Cumberland County in southern New Jersey...
  Central Salem County in southern New Jersey...
  Northwestern Gloucester County in southern New Jersey...
  Southeastern Chester County in southeastern Pennsylvania...
  Southwestern Philadelphia County in southeastern Pennsylvania...
  Southern Delaware County in southeastern Pennsylvania...

* Until 730 PM EDT.

* At 643 PM EDT, a severe thunderstorm was located over Elsmere, or
  over Wilmington, 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...
  Wilmington, Chester, Deptford, West Deptford, Glassboro,
  Pennsville, Westtown, Woodbury, Pitman, Carneys Point, Folcroft,
  Swarthmore, Elsmere, Paulsboro, New Castle, Penns Grove, Woodstown,
  Alloway, Woodbury Heights and National Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3996 7558 3984 7508 3950 7524 3959 7546
      3962 7545 3964 7547 3963 7556 3967 7551
      3971 7549 3972 7551 3967 7555 3965 7559
      3969 7570
TIME...MOT...LOC 2243Z 289DEG 23KT 3976 7557 

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

SFJ
3 follow-up statements
259 
WWUS51 KPHI 022249
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
649 PM EDT Sun Jun 2 2019

DEC003-NJC011-015-033-PAC029-045-101-022330-
/O.CON.KPHI.SV.W.0118.000000T0000Z-190602T2330Z/
New Castle DE-Cumberland NJ-Salem NJ-Gloucester NJ-Chester PA-
Philadelphia PA-Delaware PA-
649 PM EDT Sun Jun 2 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHEASTERN NEW CASTLE...NORTHWESTERN CUMBERLAND...CENTRAL
SALEM...NORTHWESTERN GLOUCESTER...SOUTHEASTERN CHESTER...SOUTHWESTERN
PHILADELPHIA AND SOUTHERN DELAWARE COUNTIES...

At 649 PM EDT, a severe thunderstorm was located over Wilmington,
moving east at 25 mph.

HAZARD...quarter size hail and 60 mph winds.

SOURCE...Trained weather spotters.

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

Locations impacted include...
Wilmington, Chester, Deptford, West Deptford, Glassboro, Pennsville,
Westtown, Woodbury, Pitman, Carneys Point, Folcroft, Swarthmore,
Elsmere, Paulsboro, New Castle, Penns Grove, Woodstown, Alloway,
Woodbury Heights and National Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3996 7558 3984 7508 3950 7524 3959 7546
      3962 7545 3964 7547 3963 7556 3967 7551
      3971 7549 3972 7551 3967 7555 3965 7559
      3969 7570
TIME...MOT...LOC 2249Z 289DEG 23KT 3975 7552 

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

SFJ
565 
WWUS51 KPHI 022302
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
702 PM EDT Sun Jun 2 2019

PAC029-101-022312-
/O.CAN.KPHI.SV.W.0118.000000T0000Z-190602T2330Z/
Chester PA-Philadelphia PA-
702 PM EDT Sun Jun 2 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHESTER AND
SOUTHWESTERN PHILADELPHIA COUNTIES 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 1000 PM EDT for
northern Delaware...southern New Jersey...and southeastern
Pennsylvania.

LAT...LON 3993 7546 3984 7508 3950 7524 3959 7546
      3962 7545 3964 7547 3965 7546 3966 7548
      3964 7548 3963 7556 3967 7551 3971 7549
      3972 7552 3968 7555
TIME...MOT...LOC 2302Z 289DEG 23KT 3972 7542 

$$

DEC003-NJC011-015-033-PAC045-022330-
/O.CON.KPHI.SV.W.0118.000000T0000Z-190602T2330Z/
New Castle DE-Cumberland NJ-Salem NJ-Gloucester NJ-Delaware PA-
702 PM EDT Sun Jun 2 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHEASTERN NEW CASTLE...NORTHWESTERN CUMBERLAND...CENTRAL
SALEM...NORTHWESTERN GLOUCESTER AND SOUTHEASTERN DELAWARE COUNTIES...

At 702 PM EDT, a severe thunderstorm was located over Penns Grove, or
near Wilmington, moving east at 25 mph.

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

SOURCE...Trained weather spotters.

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

Locations impacted include...
Wilmington, Chester, Deptford, West Deptford, Glassboro, Pennsville,
Woodbury, Pitman, Carneys Point, Folcroft, Swarthmore, Paulsboro, New
Castle, Penns Grove, Woodstown, Alloway, Woodbury Heights, National
Park, Swedesboro and Arden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3993 7546 3984 7508 3950 7524 3959 7546
      3962 7545 3964 7547 3965 7546 3966 7548
      3964 7548 3963 7556 3967 7551 3971 7549
      3972 7552 3968 7555
TIME...MOT...LOC 2302Z 289DEG 23KT 3972 7542 

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

SFJ
355 
WWUS51 KPHI 022316
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
716 PM EDT Sun Jun 2 2019

DEC003-PAC045-022325-
/O.CAN.KPHI.SV.W.0118.000000T0000Z-190602T2330Z/
New Castle DE-Delaware PA-
716 PM EDT Sun Jun 2 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NEW CASTLE AND
SOUTHEASTERN DELAWARE COUNTIES 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 1000 PM EDT for
northern Delaware...southern New Jersey...and southeastern
Pennsylvania.

LAT...LON 3967 7551 3977 7546 3981 7540 3985 7533
      3985 7525 3987 7520 3983 7508 3950 7524
      3959 7546 3962 7545 3966 7547 3964 7548
      3963 7556
TIME...MOT...LOC 2315Z 289DEG 23KT 3969 7531 

$$

NJC011-015-033-022330-
/O.CON.KPHI.SV.W.0118.000000T0000Z-190602T2330Z/
Cumberland NJ-Salem NJ-Gloucester NJ-
716 PM EDT Sun Jun 2 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN CUMBERLAND...CENTRAL SALEM AND NORTHWESTERN
GLOUCESTER COUNTIES...

At 715 PM EDT, a severe thunderstorm was located over Woodstown, or
11 miles east of Wilmington, 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...
Wilmington, Deptford, West Deptford, Glassboro, Pennsville, Woodbury,
Pitman, Carneys Point, Paulsboro, Penns Grove, Woodstown, Alloway,
Woodbury Heights, National Park, Swedesboro, Beckett, Mullica Hill,
Gibbstown, Seabrook Farms and Eddystone.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3967 7551 3977 7546 3981 7540 3985 7533
      3985 7525 3987 7520 3983 7508 3950 7524
      3959 7546 3962 7545 3966 7547 3964 7548
      3963 7556
TIME...MOT...LOC 2315Z 289DEG 23KT 3969 7531 

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

SFJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 3:21 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden39 min
Jun 2, 3:54 PM EDTSpecial Weather StatementPHIMercer36 min
Jun 2, 4:26 PM EDTSpecial Weather StatementPHIAtlantic34 min
Jun 2, 4:28 PM EDTSpecial Weather StatementPHIMonmouth32 min
Jun 2, 4:29 PM EDTSpecial Marine WarningPHI37 min
Jun 2, 4:31 PM EDTSpecial Marine WarningPHI59 min
Jun 2, 4:34 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean20 min
Jun 2, 4:37 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean38 min
Jun 2, 5:22 PM EDTSpecial Marine WarningPHI53 min
Jun 2, 6:07 PM EDTSpecial Marine WarningPHI21 min
Jun 2, 6:24 PM EDTSpecial Weather StatementPHISalem36 min
Jun 2, 6:27 PM EDTSpecial Marine WarningPHI40 min
Jun 2, 7:11 PM EDTSevere Thunderstorm WarningPHIHunterdon49 min
Jun 2, 7:14 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem46 min
Jun 2, 7:45 PM EDTSpecial Marine WarningPHI60 min
Jun 2, 7:51 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem39 min
Jun 2, 7:56 PM EDTSpecial Weather StatementPHIMercer34 min
Jun 2, 2:32 PM EDTSpecial Weather StatementPHIDelaware28 min
Jun 2, 2:40 PM EDTSevere Thunderstorm WarningPHIChester, Delaware50 min
Jun 2, 3:15 PM EDTSpecial Weather StatementPHIPhiladelphia30 min
Jun 2, 3:18 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia42 min
Jun 2, 3:55 PM EDTSpecial Weather StatementPHIDelaware35 min
Jun 2, 4:01 PM EDTSpecial Weather StatementPHIBucks29 min
Jun 2, 4:29 PM EDTSpecial Weather StatementPHIBucks, Montgomery, Philadelphia31 min
Jun 2, 5:46 PM EDTSevere Thunderstorm WarningPHIChester44 min
Jun 2, 6:53 PM EDTSpecial Weather StatementPHIBerks37 min
Jun 2, 7:34 PM EDTSpecial Weather StatementPHIPhiladelphia26 min
Jun 2, 7:36 PM EDTSevere Thunderstorm WarningPHIKent39 min

Nearby

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