Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 397, NWS Philadelphia/Mount Holly

September 28, 2019Burlington County, Camden County, Gloucester County, New Jersey; Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 28, 2019, 10:41 PM EDT for Burlington County, Camden County, Gloucester County, New Jersey; Philadelphia County, Pennsylvania. It was in force for 49 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
Sep 28, 2019, 10:41 PM EDT (02:41 UTC)
Expired
Sep 28, 2019, 11:30 PM EDT
In force
49 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 02:43 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
Sep 28, 10:47 PM EDTTSTM WND DMGCherry Hill, NJTREE DOWN ON HOUSE; LARGE LIMBS DOWN.
Sep 28, 10:47 PM EDTTSTM WND DMGCherry Hill, NJCHAPEL AVE BETWEEN MERCER ST AND MURRAY AVE CLOSED DUE TO DOWNED WIRES. TIME ESTIMATED FROM RADAR.
Sep 28, 10:47 PM EDTTSTM WND DMGCherry Hill Twp, NJCORRECTS PREVIOUS TSTM WND DMG REPORT FROM CHERRY HILL TWP. CHERRY HILL BLVD IS CLOSED IN ALL DIRECTIONS DUE TO DOWNED WIRES. TIME ESTIMATED FROM RADAR.
Sep 28, 10:52 PM EDTTSTM WND DMG1 Nne Cherry Hill, NJDOWNED TREE ON NJ 38 EASTBOUND AREA OF CHERRY HILL MALL (CHERRY HILL TWP) RIGHT AND CENTER LANES CLOSED. TIME ESTIMATED FROM RADAR.
Sep 28, 10:52 PM EDTTSTM WND DMGCherry Hill, NJPOWER LINES DOWN ON KINGSTON, NEAR KINGS HIGHWAY AND CHAPEL AVE. REPORT FROM SOCIAL MEDIA. TIME ESTIMATED FROM RADAR.
Sep 28, 10:52 PM EDTTSTM WND DMGCherry Hill, NJTRANSFORMER FIRE OFF KINGS HIGHWAY IN CHERRY HILL. POWER LINES DOWN. REPORT FROM SOCIAL MEDIA.
Sep 28, 10:52 PM EDTTSTM WND DMGCherry Hill, NJTREES AND BRANCHES DOWN ALL OVER KNOLLWOOD AREA OF CHERRY HILL. REPORT FROM SOCIAL MEDIA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 2.7 hours before the alert went out and 204 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 2019-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 129 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 2019-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
129 J/kg
Mixed-layer CIN
-186 J/kg
Mixed-layer LCL
616 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

733 
WUUS51 KPHI 290241
SVRPHI
NJC005-007-015-PAC101-290330-
/O.NEW.KPHI.SV.W.0397.190929T0241Z-190929T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1041 PM EDT Sat Sep 28 2019

The National Weather Service in Mount Holly NJ has issued a

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

* Until 1130 PM EDT.

* At 1041 PM EDT, a severe thunderstorm was located over Golden
  Triangle, or near Camden, moving southeast 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...
  Philadelphia, Camden, Gloucester City, Cherry Hill, Evesham, Mount
  Laurel, Voorhees, Medford, Lindenwold, Hammonton, Bellmawr,
  Woodbury, Berlin, Palmyra, Tabernacle, Shamong, Magnolia,
  Westville, National Park and Brooklawn.

This includes the following highways...
 Atlantic City Expressway near mile marker 44.
 Interstate 295 in New Jersey between mile markers 23 and 42.
 Interstate 95 in Pennsylvania between mile markers 14 and 30.
 New Jersey Turnpike between exits 3 and 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3988 7461 3966 7481 3964 7484 3989 7523
      4006 7508
TIME...MOT...LOC 0241Z 303DEG 21KT 3991 7506 

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

JEO
4 follow-up statements
065 
WWUS51 KPHI 290254
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1054 PM EDT Sat Sep 28 2019

PAC101-290303-
/O.CAN.KPHI.SV.W.0397.000000T0000Z-190929T0330Z/
Philadelphia PA-
1054 PM EDT Sat Sep 28 2019

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

LAT...LON 3988 7461 3966 7481 3964 7484 3983 7514
      4002 7498
TIME...MOT...LOC 0253Z 303DEG 21KT 3987 7498 

$$

NJC005-007-015-290330-
/O.CON.KPHI.SV.W.0397.000000T0000Z-190929T0330Z/
Camden NJ-Gloucester NJ-Burlington NJ-
1054 PM EDT Sat Sep 28 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR CAMDEN...NORTH CENTRAL GLOUCESTER AND WEST CENTRAL BURLINGTON
COUNTIES...

At 1053 PM EDT, a severe thunderstorm was located over Springdale, or
7 miles east of Gloucester City, moving southeast 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...
Cherry Hill, Evesham, Mount Laurel, Voorhees, Medford, Lindenwold,
Hammonton, Bellmawr, Woodbury, Berlin, Tabernacle, Shamong, Magnolia,
Chesilhurst, Audubon Park, Barclay-Kingston, Cherry Hill Mall, Golden
Triangle, Marlton and Leisuretowne.

This includes the following highways...
 Atlantic City Expressway near mile marker 44.
 Interstate 295 in New Jersey between mile markers 26 and 42.
 New Jersey Turnpike between exits 3 and 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3988 7461 3966 7481 3964 7484 3983 7514
      4002 7498
TIME...MOT...LOC 0253Z 303DEG 21KT 3987 7498 

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

JEO
701 
WWUS51 KPHI 290307
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1107 PM EDT Sat Sep 28 2019

NJC015-290316-
/O.CAN.KPHI.SV.W.0397.000000T0000Z-190929T0330Z/
Gloucester NJ-
1107 PM EDT Sat Sep 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.

LAT...LON 3988 7461 3967 7480 3964 7484 3979 7507
      3980 7507 3999 7493
TIME...MOT...LOC 0306Z 303DEG 21KT 3983 7490 

$$

NJC005-007-290330-
/O.CON.KPHI.SV.W.0397.000000T0000Z-190929T0330Z/
Camden NJ-Burlington NJ-
1107 PM EDT Sat Sep 28 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR CAMDEN AND CENTRAL BURLINGTON COUNTIES...

At 1106 PM EDT, a severe thunderstorm was located over Marlton Lakes,
or 12 miles east of Gloucester City, moving southeast at 25 mph.

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

SOURCE...Emergency management. County emergency management reported 
         multiple downed trees and limbs earlier near Cherry Hill.

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

Locations impacted include...
Cherry Hill, Evesham, Mount Laurel, Voorhees, Medford, Lindenwold,
Hammonton, Berlin, Tabernacle, Shamong, Magnolia, Chesilhurst,
Ramblewood, Echelon, Marlton, Leisuretowne, Ashland, Springdale, Atco
and Greentree.

This includes the following highways...
 Atlantic City Expressway near mile marker 44.
 Interstate 295 in New Jersey between mile markers 33 and 41.
 New Jersey Turnpike near exit 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3988 7461 3967 7480 3964 7484 3979 7507
      3980 7507 3999 7493
TIME...MOT...LOC 0306Z 303DEG 21KT 3983 7490 

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

JEO
358 
WWUS51 KPHI 290320
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1120 PM EDT Sat Sep 28 2019

NJC005-007-290330-
/O.CON.KPHI.SV.W.0397.000000T0000Z-190929T0330Z/
Camden NJ-Burlington NJ-
1120 PM EDT Sat Sep 28 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR SOUTHEASTERN CAMDEN AND CENTRAL BURLINGTON COUNTIES...

At 1119 PM EDT, a severe thunderstorm was located near Chesilhurst,
or 19 miles southeast of Gloucester City, moving southeast at 35 mph.

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

SOURCE...Emergency management.

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

Locations impacted include...
Hammonton, Berlin, Tabernacle, Shamong, Chesilhurst, Atco and Medford
Lakes.

This includes Atlantic City Expressway between mile markers 34 and
35.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3972 7497 3990 7481 3982 7467 3967 7480
      3964 7484
TIME...MOT...LOC 0319Z 305DEG 29KT 3973 7482 

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

MPS
690 
WWUS51 KPHI 290328
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1128 PM EDT Sat Sep 28 2019

NJC005-007-290337-
/O.EXP.KPHI.SV.W.0397.000000T0000Z-190929T0330Z/
Camden NJ-Burlington NJ-
1128 PM EDT Sat Sep 28 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CAMDEN AND
CENTRAL BURLINGTON COUNTIES WILL EXPIRE AT 1130 PM EDT...
                
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 will be allowed to expire. There is a Special 
Weather Statement in effect for wind gusts to 50 mph and small hail 
for portions of Camden and Burlington counties.

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 3972 7497 3990 7481 3982 7467 3967 7480
      3964 7484
TIME...MOT...LOC 0327Z 303DEG 21KT 3971 7478 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 8:06 PM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean5 days
Sep 28, 10:24 PM EDTSpecial Weather StatementPHICamden36 min
Sep 28, 11:19 PM EDTSpecial Weather StatementPHIAtlantic41 min
Sep 29, 3:55 AM EDTSmall Craft AdvisoryPHI12 hr
Sep 29, 3:29 PM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean23 hr
Sep 29, 3:51 PM EDTSmall Craft AdvisoryPHI36 hr
Sep 28, 8:11 PM EDTSpecial Weather StatementPHILebanon64 min
Sep 28, 9:33 PM EDTSpecial Weather StatementPHIMontgomery42 min
Sep 28, 9:36 PM EDTSpecial Weather StatementPHICarbon39 min
Sep 28, 9:58 PM EDTSpecial Weather StatementPHIDelaware47 min

Nearby

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