Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 73, NWS Philadelphia/Mount Holly

May 28, 2019Burlington County, Camden County, Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 28, 2019, 8:37 PM EDT for Burlington County, Camden County, Gloucester County, New Jersey. It was in force for 25 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
May 28, 2019, 8:37 PM EDT (00:37 UTC)
Expired
May 28, 2019, 9:02 PM EDT
In force
25 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ

The radar

The Philadelphia radar (KDIX), 40 km from the middle of the area, began a volume at 00:41 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
May 28, 8:38 PM EDTHAIL 11 E Deptford Twp, NJ
May 28, 8:38 PM EDTHAIL 1.25Deptford Twp, NJ
May 28, 8:41 PM EDTHAIL 0.7Sewell, NJ
May 28, 8:46 PM EDTHAIL 1Turnersville, 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
May 28, 1:48 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.6 hours before the alert went out and 206 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, Brookhaven, NY at 00:00Z on 2019-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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, Brookhaven, NY at 00:00Z on 2019-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 388 square meters per square second.19395878Sfc1 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
18 J/kg
Mixed-layer CIN
-249 J/kg
Mixed-layer LCL
682 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
388 m²/s²
0-3 km storm-relative helicity
461 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

491 
WUUS51 KPHI 290037
SVRPHI
NJC005-007-015-290130-
/O.NEW.KPHI.SV.W.0073.190529T0037Z-190529T0130Z/

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

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central Camden County in southern New Jersey...
  North central Gloucester County in southern New Jersey...
  Central Burlington County in southern New Jersey...

* Until 930 PM EDT.

* At 837 PM EDT, a severe thunderstorm was located over Turnersville,
  or 7 miles south of Gloucester City, moving east at 35 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  Evesham, Deptford, Voorhees, Medford, Glassboro, Lindenwold,
  Bellmawr, Woodbury, Pitman, Berlin, Tabernacle, Shamong, Magnolia,
  Woodbury Heights, Chesilhurst, Atsion, Echelon, Leisuretowne, Atco
  and Wharton State Forest.

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.

&&

LAT...LON 3971 7471 3973 7473 3972 7475 3973 7517
      3984 7519 3993 7463 3971 7460
TIME...MOT...LOC 0037Z 271DEG 31KT 3979 7510 

HAIL...1.25IN
WIND...60MPH
 
$$

Gorse
3 follow-up statements
170 
WWUS51 KPHI 290043
SVSPHI

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

NJC005-007-015-290130-
/O.CON.KPHI.SV.W.0073.000000T0000Z-190529T0130Z/
Camden NJ-Gloucester NJ-Burlington NJ-
843 PM EDT Tue May 28 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR CENTRAL CAMDEN...NORTH CENTRAL GLOUCESTER AND CENTRAL BURLINGTON
COUNTIES...

At 843 PM EDT, a severe thunderstorm was located over Turnersville,
or 9 miles southeast of Gloucester City, moving east at 35 mph.

HAZARD...60 mph wind gusts and half dollar 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...
Evesham, Voorhees, Medford, Lindenwold, Bellmawr, Berlin, Tabernacle,
Shamong, Magnolia, Chesilhurst, Atsion, Echelon, Leisuretowne, Atco,
Wharton State Forest, Marlton Lakes, Turnersville, Springdale,
Ashland and Greentree.

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 3971 7471 3973 7473 3972 7475 3973 7511
      3985 7512 3993 7463 3971 7460
TIME...MOT...LOC 0043Z 272DEG 32KT 3978 7503 

HAIL...1.25IN
WIND...60MPH
 
$$

Gorse
761 
WWUS51 KPHI 290053
SVSPHI

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

NJC015-290103-
/O.CAN.KPHI.SV.W.0073.000000T0000Z-190529T0130Z/
Gloucester NJ-
853 PM EDT Tue May 28 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL 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 3971 7471 3973 7473 3972 7475 3973 7497
      3982 7496 3988 7462 3971 7460
TIME...MOT...LOC 0053Z 272DEG 35KT 3977 7487 

$$

NJC005-007-290130-
/O.CON.KPHI.SV.W.0073.000000T0000Z-190529T0130Z/
Camden NJ-Burlington NJ-
853 PM EDT Tue May 28 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR EAST CENTRAL CAMDEN AND CENTRAL BURLINGTON COUNTIES...

At 853 PM EDT, a severe thunderstorm was located over Atco, or 15
miles southeast of Gloucester City, moving east at 40 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...
Lindenwold, Berlin, Tabernacle, Shamong, Chesilhurst, Atco, Wharton
State Forest, Atsion, Marlton Lakes, Pine Hill and Pine Valley.

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.

&&

LAT...LON 3971 7471 3973 7473 3972 7475 3973 7497
      3982 7496 3988 7462 3971 7460
TIME...MOT...LOC 0053Z 272DEG 35KT 3977 7487 

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

Gorse
045 
WWUS51 KPHI 290102
SVSPHI

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

NJC005-007-290112-
/O.CAN.KPHI.SV.W.0073.000000T0000Z-190529T0130Z/
Camden NJ-Burlington NJ-
902 PM EDT Tue May 28 2019

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CAMDEN AND
CENTRAL BURLINGTON COUNTIES IS CANCELLED...
                
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 has been cancelled.

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

LAT...LON 3971 7471 3973 7473 3972 7475 3973 7497
      3982 7496 3988 7462 3971 7460
TIME...MOT...LOC 0059Z 271DEG 31KT 3977 7477 

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 8:23 PM EDTTornado WarningPHIWarren37 min
May 28, 8:30 PM EDTTornado WarningPHIMorris, Sussex30 min
May 28, 8:34 PM EDTSpecial Marine WarningPHI41 min
May 28, 8:35 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland55 min
May 28, 8:44 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset, Sussex, Warren61 min
May 28, 8:50 PM EDTAreal Flood AdvisoryPHICape May78 min
May 28, 8:59 PM EDTSpecial Marine WarningPHI61 min
May 28, 9:33 PM EDTAreal Flood AdvisoryPHIMorris, Somerset63 min
May 28, 9:47 PM EDTSpecial Marine WarningPHI43 min
May 28, 9:52 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean23 min
May 28, 9:57 PM EDTSpecial Marine WarningPHI44 min
May 28, 10:03 PM EDTSpecial Weather StatementPHIAtlantic12 min
May 28, 10:28 PM EDTSpecial Marine WarningPHI58 min
May 28, 10:30 PM EDTSpecial Weather StatementPHIOcean45 min
May 28, 10:33 PM EDTSpecial Weather StatementPHIBurlington27 min
May 28, 10:34 PM EDTSpecial Weather StatementPHIMonmouth26 min
May 28, 11:00 PM EDTSpecial Weather StatementPHIBurlington, Ocean30 min
May 28, 11:07 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean38 min
May 28, 11:21 PM EDTSpecial Marine WarningPHI39 min
May 28, 11:35 PM EDTSevere Thunderstorm WarningPHIOcean25 min
May 28, 11:57 PM EDTSpecial Marine WarningPHI48 min
May 29, 3:18 AM EDTFlash Flood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more18 hr
May 29, 3:10 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren65 min
May 29, 3:38 PM EDTTornado WarningPHIHunterdon37 min
May 29, 3:43 PM EDTFlash Flood WarningPHISussex, Warren4 hr
May 29, 3:43 PM EDTSevere Thunderstorm WarningPHISussex, Warren47 min
May 29, 4:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset41 min
May 29, 4:09 PM EDTSevere Thunderstorm WarningPHIWarren51 min
May 29, 4:13 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren47 min
May 29, 4:16 PM EDTSevere Thunderstorm WarningPHIWarren27 min
May 29, 4:27 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren51 min
May 29, 4:28 PM EDTSpecial Weather StatementPHIMorris32 min
May 29, 4:35 PM EDTSpecial Weather StatementPHISussex25 min
May 29, 4:37 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Ocean53 min
May 29, 4:53 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer67 min
May 29, 5:01 PM EDTSpecial Weather StatementPHIHunterdon, Morris29 min
May 29, 5:03 PM EDTSpecial Marine WarningPHI57 min
May 29, 5:14 PM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren3 hr
May 29, 5:23 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren34 min
May 29, 5:27 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset4 hr
May 29, 5:33 PM EDTTornado WarningPHIBurlington, Mercer, Monmouth27 min
May 29, 5:39 PM EDTSevere Thunderstorm WarningPHIBurlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more66 min
May 29, 5:45 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Sussex, Warren30 min
May 29, 6:01 PM EDTSpecial Marine WarningPHI59 min
May 29, 6:02 PM EDTSpecial Weather StatementPHISalem28 min
May 29, 6:06 PM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean4 hr
May 29, 6:06 PM EDTSevere Thunderstorm WarningPHIBurlington24 min
May 29, 6:29 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean61 min
May 29, 6:35 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Ocean3 hr
May 29, 6:35 PM EDTSpecial Marine WarningPHI55 min
May 29, 7:08 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem52 min
May 29, 7:12 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more3 hr
May 29, 7:15 PM EDTSpecial Marine WarningPHI60 min
May 29, 7:25 PM EDTSpecial Marine WarningPHI65 min
May 29, 7:33 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Cumberland, Ocean42 min
May 29, 7:35 PM EDTSpecial Marine WarningPHI85 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 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.