Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 53, NWS Philadelphia/Mount Holly

June 3, 2020New Castle County, Delaware; 8 counties in New Jersey; Cecil County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 3, 2020, 12:38 PM EDT for New Castle County, Delaware; 8 counties in New Jersey; Cecil County, Maryland. It was in force for 69 min. 28 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 3, 2020, 12:38 PM EDT (16:38 UTC)
Expired
Jun 3, 2020, 1:47 PM EDT
In force
69 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties New Castle County, DE, Cecil County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 16:39 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 3, 12:39 PM EDTTSTM WND DMG2 Se Leisuretowne, NJTREE DOWN NEAR A HOUSE. NO DAMAGE REPORTED TO HOUSE. TIME ESTIMATED FROM RADAR.
Jun 3, 12:39 PM EDTTSTM WND DMG3 Ne Medford Lakes, NJMULTIPLE TREES DOWN NEAR THE INTERSECTION OF STATE HIGHWAY 70 AND OLD RED LION ROAD. TIME ESTIMATED.
Jun 3, 12:40 PM EDTTSTM WND DMG2 Sse Washington Twp, NJMULTIPLE LARGE TREES DOWN NEAR AND ALONG FISH POND RD. TIME ESTIMATED FROM RADAR.
Jun 3, 12:42 PM EDTTSTM WND DMGLeisuretowne, NJTREES UPROOTED NEAR STATE HIGHWAY 70 AND HUNTINGTON DRIVE. TIME ESTIMATED.
Jun 3, 12:45 PM EDTTSTM WND DMGTabernacle, NJNUMEROUS TREES DOWN. TIME ESTIMATED FROM RADAR.
Jun 3, 12:46 PM EDTTSTM WND DMG2 Se Leisuretowne, NJTREE DOWNED NEAR THE INTERSECTION OF POWELL PLACE RD AND ELDORADO DR. REPORT VIA SOCIAL MEDIA WITH PHOTO. TIME ESTIMATED FROM RADAR.
Jun 3, 12:50 PM EDTTSTM WND DMG2 Nw Bass River Twp, NJSEVERAL REPORTS OF POWER LINES DOWN IN THE AREA. TIME ESTIMATED.
Jun 3, 12:50 PM EDTTSTM WND DMGPitman, NJDOWNED TREE LIMBS AND DAMAGE TO SHED AND FENCE.
Jun 3, 12:51 PM EDTTSTM WND DMGShamong, NJLARGE, HEALTHY TREE SNAPPED. REPORT VIA SOCIAL MEDIA WITH A PHOTO. TIME ESTIMATED FROM RADAR.
Jun 3, 12:54 PM EDTTSTM WND DMGHammonton, NJSEVERAL REPORTS OF POWER LINES DOWN IN THE AREA. TIME ESTIMATED.
Jun 3, 1:00 PM EDTTSTM WND DMG2 Ene Warren Grove, NJDOWNED TREE ON STATE HIGHWAY 72 EAST OF BARNEGAT ROAD. TIME ESTIMATED.
Jun 3, 1:03 PM EDTTSTM WND DMGForked River, NJTREES AND WIRES DOWN IN FORKED RIVER. TIME ESTIMATED FROM RADAR.
Jun 3, 1:05 PM EDTTSTM WND DMG1 Se Ocean Acres, NJDOWNED TREE ON GARDEN STATE PARKWAY SOUTHBOUND NORTH OF STATE HIGHWAY 72. TIME ESTIMATED.
Jun 3, 1:05 PM EDTTSTM WND DMG1 Wnw Barnegat, NJSEVERAL REPORTS OF POWER LINES DOWN IN THE AREA. TIME ESTIMATED.
Jun 3, 1:05 PM EDTTSTM WND DMGWading River, NJDOWNED TREES ONTO POWER LINES AND MINOR PROPERTY DAMAGE REPORTED ON TURTLE CREEK RD. TIME ESTIMATED FROM RADAR.
Jun 3, 1:10 PM EDTTSTM WND DMGLittle Egg Harbor Twp, NJSEVERAL TREES DOWN. TIME ESTIMATED FROM RADAR.
Jun 3, 1:10 PM EDTTSTM WND GST 664 Se Mystic Island, NJWXFLOW SENSOR.
Jun 3, 1:15 PM EDTTSTM WND DMG2 Ese Bass River State, NJPHOTO OF A LARGE TREE DOWN IN A RESIDENTIAL NEIGHBORHOOD. TIME ESTIMATED FROM RADAR.
Jun 3, 1:15 PM EDTTSTM WND GST 591 Nne Surf City, NJ
Jun 3, 1:15 PM EDTTSTM WND GST 70Harvey Cedars, NJNJWXNET SENSOR.
Jun 3, 1:15 PM EDTTSTM WND GST 892 Sw Beach Haven, NJ
Jun 3, 1:17 PM EDTTSTM WND DMGAbsecon, NJDOWNED TREE ON U.S. HIGHWAY 9 SOUTHBOUND AT OHIO AVENUE. TIME ESTIMATED.
Jun 3, 1:18 PM EDTTSTM WND GST 684 Se Mystic Island, NJWXFLOW SENSOR.
Jun 3, 1:18 PM EDTTSTM WND GST 685 Se Mystic Island, NJHADS SENSOR.
Jun 3, 1:18 PM EDTTSTM WND GST 60Barnegat Light, NJHADS GAUGE.
Jun 3, 1:20 PM EDTTSTM WND DMGEgg Harbor City, NJSEVERAL REPORTS OF DOWNED TREES AND WIRES IN EGG HARBOR CITY.
Jun 3, 1:30 PM EDTTSTM WND DMG2 Ssw Port Republic, NJDOWNED TREE ON WRANGLEBORO ROAD. TIME ESTIMATED.
Jun 3, 1:30 PM EDTTSTM WND DMGEgg Harbor City, NJDOWNED TREES IN EGG HARBOR CITY AND BRIGANTINE.

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 3, 10:08 AM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 4.6 hours before the alert went out and 199 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, Wallops Is Stn, VA at 12:00Z on 2020-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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, Wallops Is Stn, VA at 12:00Z on 2020-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.193958Sfc1 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
42 J/kg
Mixed-layer CIN
-279 J/kg
Mixed-layer LCL
1771 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

925 
WUUS51 KPHI 031638
SVRPHI
DEC003-MDC015-NJC001-005-007-009-011-015-029-033-031800-
/O.NEW.KPHI.SV.W.0053.200603T1638Z-200603T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1238 PM EDT Wed Jun 3 2020

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central New Castle County in northern Delaware...
  East central Cecil County in northeastern Maryland...
  Atlantic County in southern New Jersey...
  Northern Cumberland County in southern New Jersey...
  Salem County in southern New Jersey...
  Southern Ocean County in southern New Jersey...
  Camden County in southern New Jersey...
  Gloucester County in southern New Jersey...
  Northeastern Cape May County in southern New Jersey...
  Southern Burlington County in southern New Jersey...

* Until 200 PM EDT.

* At 1238 PM EDT, severe thunderstorms were located along a line
  extending from Evesham to near Turnersville to Wilmington Manor,
  moving southeast at 60 mph.

  HAZARD...70 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Wilmington, Vineland, Atlantic City, Millville, Bridgeton, Elkton,
  Ocean City, Cumberland, Cherry Hill, Evesham, Mount Laurel,
  Deptford, Voorhees, Medford, Barnegat, Pleasantville, Glassboro,
  Lindenwold, Hammonton and Pennsville.

This includes the following highways...
 Atlantic City Expressway between mile markers 0 and 44.
 Garden State Parkway between mile markers 25 and 75.
 Interstate 295 in New Jersey between mile markers 0 and 9, and
between mile markers 30 and 34.
 New Jersey Turnpike between exits 1 and 3.

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.

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows! 

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 3956 7401 3938 7426 3922 7455 3957 7597
      3980 7521 3994 7492 3984 7390
TIME...MOT...LOC 1638Z 292DEG 50KT 3988 7491 3978 7512 3968 7561 

HAIL...0.75IN
WIND...70MPH
 
$$

JEO
3 follow-up statements
034 
WWUS51 KPHI 031658
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1258 PM EDT Wed Jun 3 2020

MDC015-031707-
/O.CAN.KPHI.SV.W.0053.000000T0000Z-200603T1800Z/
Cecil MD-
1258 PM EDT Wed Jun 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CECIL COUNTY 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 300 PM EDT for
northern Delaware...and southern New Jersey.

LAT...LON 3963 7398 3956 7401 3938 7426 3922 7455
      3951 7569 3976 7516 3990 7477
TIME...MOT...LOC 1657Z 292DEG 50KT 3979 7464 3969 7485 3960 7534 

$$

DEC003-NJC001-005-007-009-011-015-029-033-031800-
/O.CON.KPHI.SV.W.0053.000000T0000Z-200603T1800Z/
New Castle DE-Atlantic NJ-Cumberland NJ-Salem NJ-Ocean NJ-Camden NJ-
Gloucester NJ-Cape May NJ-Burlington NJ-
1258 PM EDT Wed Jun 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT
FOR CENTRAL NEW CASTLE...ATLANTIC...NORTHERN CUMBERLAND...SALEM...
SOUTHEASTERN OCEAN...SOUTHERN CAMDEN...SOUTHEASTERN GLOUCESTER...
NORTHEASTERN CAPE MAY AND SOUTHERN BURLINGTON COUNTIES...

At 1257 PM EDT, severe thunderstorms were located along a line
extending from near Shamong to near Chesilhurst to near Alloway,
moving east at 60 mph.

These are very dangerous storms.

HAZARD...80 mph wind gusts. These storms continue to produce 
         widespread wind damage.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Vineland, Atlantic City, Millville, Bridgeton, Ocean City,
Cumberland, Pleasantville, Glassboro, Lindenwold, Hammonton, Somers
Point, Ventnor City, Brigantine, Pitman, Northfield, Absecon,
Clayton, Berlin, Tabernacle and Shamong.

This includes the following highways...
 Atlantic City Expressway between mile markers 0 and 44.
 Garden State Parkway between mile markers 25 and 65.

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.

This is an EXTREMELY DANGEROUS SITUATION. These storms are producing 
widespread wind damage. SEEK SHELTER NOW inside a sturdy structure 
and stay away from windows.

&&

LAT...LON 3963 7398 3956 7401 3938 7426 3922 7455
      3951 7569 3976 7516 3990 7477
TIME...MOT...LOC 1657Z 292DEG 50KT 3979 7464 3969 7485 3960 7534 

HAIL...<.75IN
WIND...80MPH
 
$$

JEO
795 
WWUS51 KPHI 031723
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
123 PM EDT Wed Jun 3 2020

DEC003-NJC007-015-033-031732-
/O.CAN.KPHI.SV.W.0053.000000T0000Z-200603T1800Z/
New Castle DE-Salem NJ-Camden NJ-Gloucester NJ-
123 PM EDT Wed Jun 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NEW CASTLE...SALEM...
SOUTHERN CAMDEN AND SOUTHEASTERN GLOUCESTER 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 300 PM EDT for
southern New Jersey.

LAT...LON 3956 7401 3938 7426 3922 7455 3941 7530
      3948 7511 3946 7508 3949 7507 3974 7429
      3963 7398
TIME...MOT...LOC 1722Z 292DEG 50KT 3966 7423 3956 7444 3947 7493 

$$

NJC001-005-009-011-029-031800-
/O.CON.KPHI.SV.W.0053.000000T0000Z-200603T1800Z/
Atlantic NJ-Cumberland NJ-Ocean NJ-Cape May NJ-Burlington NJ-
123 PM EDT Wed Jun 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT
FOR ATLANTIC...NORTHERN CUMBERLAND...SOUTHEASTERN OCEAN...
NORTHEASTERN CAPE MAY AND SOUTHEASTERN BURLINGTON COUNTIES...

At 122 PM EDT, severe thunderstorms were located along a line
extending from Beach Haven West to near New Gretna to near Vineland,
moving east at 60 mph.

These are very dangerous storms.

HAZARD...80 mph wind gusts. Widespread wind damage is occurring with 
         these storms.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Vineland, Atlantic City, Millville, Bridgeton, Ocean City,
Cumberland, Pleasantville, Somers Point, Ventnor City, Brigantine,
Northfield, Absecon, Margate City, Buena, Egg Harbor City, Tuckerton,
Weymouth, Estell Manor, Surf City and Port Republic.

This includes the following highways...
 Atlantic City Expressway between mile markers 0 and 24.
 Garden State Parkway between mile markers 25 and 65.

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.

This is an EXTREMELY DANGEROUS SITUATION. These storms are producing 
widespread wind damage. SEEK SHELTER NOW inside a sturdy structure 
and stay away from windows.

&&

LAT...LON 3956 7401 3938 7426 3922 7455 3941 7530
      3948 7511 3946 7508 3949 7507 3974 7429
      3963 7398
TIME...MOT...LOC 1722Z 292DEG 50KT 3966 7423 3956 7444 3947 7493 

HAIL...<.75IN
WIND...80MPH
 
$$

JEO
123 
WWUS51 KPHI 031747
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
147 PM EDT Wed Jun 3 2020

NJC001-005-009-011-029-031756-
/O.CAN.KPHI.SV.W.0053.000000T0000Z-200603T1800Z/
Atlantic NJ-Cumberland NJ-Ocean NJ-Cape May NJ-Burlington NJ-
147 PM EDT Wed Jun 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR ATLANTIC...NORTHERN
CUMBERLAND...SOUTHEASTERN OCEAN...NORTHEASTERN CAPE MAY AND
SOUTHEASTERN BURLINGTON COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved offshore and out of 
the area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 300 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 3956 7401 3938 7426 3922 7455 3941 7530
      3948 7511 3946 7508 3949 7507 3974 7429
      3963 7398
TIME...MOT...LOC 1745Z 292DEG 50KT 3954 7384 3944 7405 3935 7454 

$$

JEO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 12:06 PM EDTSevere Thunderstorm WarningPHINew Castle39 min
Jun 3, 7:02 PM EDTSevere Thunderstorm WarningPHINew Castle58 min
Jun 3, 12:24 AM EDTSpecial Weather StatementPHIWarren51 min
Jun 3, 1:08 AM EDTSpecial Weather StatementPHISomerset37 min
Jun 3, 1:44 AM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset, Warren3 hr
Jun 3, 9:48 AM EDTSmall Craft AdvisoryPHI8 hr
Jun 3, 11:04 AM EDTSevere Thunderstorm WarningPHIHunterdon, Warren41 min
Jun 3, 11:38 AM EDTSevere Thunderstorm WarningPHIHunterdon37 min
Jun 3, 11:59 AM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth and 1 more46 min
Jun 3, 12:35 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Mercer, Middlesex, Monmouth, Ocean and 1 more55 min
Jun 3, 12:43 PM EDTSpecial Marine WarningPHI43 min
Jun 3, 1:01 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean28 min
Jun 3, 1:14 PM EDTSpecial Marine WarningPHI61 min
Jun 3, 1:14 PM EDTSpecial Weather StatementPHICape May, Cumberland61 min
Jun 3, 1:20 PM EDTSpecial Marine WarningPHI55 min
Jun 3, 2:11 PM EDTSpecial Marine WarningPHI34 min
Jun 3, 7:11 PM EDTSevere Thunderstorm WarningPHISussex, Warren64 min
Jun 3, 7:21 PM EDTTornado WarningPHIBurlington, Camden, Gloucester24 min
Jun 3, 7:53 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex36 min
Jun 3, 7:55 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more33 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2020Severe Thunderstorm Warnings in Delaware, 2020Severe Thunderstorm Warnings in Maryland, 2020Every 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.