Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 125, NWS Philadelphia/Mount Holly

July 23, 20164 counties in New Jersey; Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 23, 2016, 5:24 PM EDT for 4 counties in New Jersey; Philadelphia County, Pennsylvania. It was in force for 51 min. 13 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
Jul 23, 2016, 5:24 PM EDT (21:24 UTC)
Expired
Jul 23, 2016, 6:15 PM EDT
In force
51 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Philadelphia radar (KDIX), 51 km from the middle of the area, began a volume at 21:27 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
Jul 23, 5:29 PM EDTHAIL 1Audubon, NJ
Jul 23, 5:30 PM EDTTSTM WND DMGCherry Hill, NJTREES DOWN. TIME ESTIMATED FROM RADAR.
Jul 23, 5:30 PM EDTTSTM WND DMGGlendora, NJSEVERAL TREES DOWN IN THE GLENDORA AND RUNNEMEDE AREAS. TIME ESTIMATED FROM RADAR.
Jul 23, 5:30 PM EDTTSTM WND DMGMagnolia, NJA LARGE TREE COMPLETELY TOPPLED OVER ONTO TWO CARS ON THE 400 BLOCK OF LINCOLN AVENUE. A WOMAN WAS TRAPPED IN ONE OF THE CARS AND HAD TO BE RESCUED. TIME ESTIMATED FROM RADAR.
Jul 23, 5:30 PM EDTHAIL 0.88Haddon Heights, NJNICKEL SIZED HAIL. TIME ESTIMATED FROM RADAR.
Jul 23, 5:30 PM EDTHAIL 1Westmont, NJQUARTER SIZE HAIL. TIME ESTIMATED FROM RADAR.
Jul 23, 5:32 PM EDTTSTM WND DMGBarrington, NJSOME TREES DOWN. SOME LARGE TREE LIMBS FELL ONTO A HOUSE. TIME ESTIMATED FROM RADAR.
Jul 23, 5:33 PM EDTTSTM WND DMGBarrington, NJTREES DOWN ON CARS AT INTERSECTION OF BARR DRIVE AND CLEMENTS DRIVE
Jul 23, 5:33 PM EDTHAIL 1Haddonfield, NJ
Jul 23, 5:35 PM EDTTSTM WND DMGLawnside, NJPOWER POLE SNAPPED IN HALF.
Jul 23, 5:35 PM EDTTSTM WND DMGSomerdale, NJLARGE TREE LIMBS DOWN ON BURBANK DRIVE. TIME ESTIMATED FROM RADAR.
Jul 23, 5:35 PM EDTHAIL 0.75Lawnside, NJ
Jul 23, 5:37 PM EDTTSTM WND DMGVoorhees, NJDOWNED WIRES ON BURNT MILL ROAD.

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 12:00Z, 9.4 hours before the alert went out and 214 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 12:00Z on 2016-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2016-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1872 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

310 
WUUS51 KPHI 232124
SVRPHI
NJC001-005-007-015-PAC101-232215-
/O.NEW.KPHI.SV.W.0125.160723T2124Z-160723T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
524 PM EDT SAT JUL 23 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  NORTHEASTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  WEST CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  SOUTH CENTRAL PHILADELPHIA COUNTY IN SOUTHEASTERN PENNSYLVANIA...

* UNTIL 615 PM EDT

* AT 523 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER AUDUBON
  PARK... OR OVER CAMDEN...MOVING SOUTHEAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  PHILADELPHIA...CAMDEN...GLOUCESTER CITY...CHERRY HILL...EVESHAM...
  MOUNT LAUREL...VOORHEES...LINDENWOLD...HAMMONTON...BELLMAWR...
  WOODBURY...BERLIN...PALMYRA...SHAMONG...MAGNOLIA...WESTVILLE...
  NATIONAL PARK...BROOKLAWN...CHESILHURST AND AUDUBON PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. 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 THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3989 7523 4003 7508 3978 7460 3958 7481
TIME...MOT...LOC 2123Z 308DEG 28KT 3991 7508 

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

LF
1 follow-up statement
854 
WWUS51 KPHI 232149
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
549 PM EDT SAT JUL 23 2016

NJC015-PAC101-232158-
/O.CAN.KPHI.SV.W.0125.000000T0000Z-160723T2215Z/
GLOUCESTER NJ-PHILADELPHIA PA-
549 PM EDT SAT JUL 23 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GLOUCESTER AND
SOUTH CENTRAL PHILADELPHIA COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER
ADDITIONAL STORMS ARE DEVELOPING OVER PHILADELPHIA.

LAT...LON 3958 7481 3966 7491 3968 7491 3970 7494
      3970 7496 3978 7505 3991 7486 3978 7460
TIME...MOT...LOC 2148Z 307DEG 36KT 3975 7482 

$$

NJC001-005-007-232215-
/O.CON.KPHI.SV.W.0125.000000T0000Z-160723T2215Z/
CAMDEN NJ-ATLANTIC NJ-BURLINGTON NJ-
549 PM EDT SAT JUL 23 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SOUTHERN CAMDEN...NORTHWESTERN ATLANTIC AND CENTRAL BURLINGTON
COUNTIES...

AT 548 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
CHESILHURST...OR 18 MILES SOUTHEAST OF GLOUCESTER CITY...MOVING
SOUTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
EVESHAM...LINDENWOLD...HAMMONTON...BERLIN...SHAMONG...CHESILHURST...
SICKLERVILLE...MARLTON LAKES...ATSION...ATCO...PINE HILL...
CLEMENTON...MEDFORD LAKES...GIBBSBORO...FOLSOM AND PINE VALLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3958 7481 3966 7491 3968 7491 3970 7494
      3970 7496 3978 7505 3991 7486 3978 7460
TIME...MOT...LOC 2148Z 307DEG 36KT 3975 7482 

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

GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 4:12 PM EDTHeat AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Hunterdon, Middlesex and 7 more50 hr
Jul 23, 4:55 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden35 min
Jul 23, 5:03 PM EDTSevere Thunderstorm WarningPHISalem28 min
Jul 23, 5:10 PM EDTSpecial Marine WarningPHI65 min
Jul 23, 5:43 PM EDTSpecial Weather StatementPHIOcean62 min
Jul 23, 5:55 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Ocean65 min
Jul 23, 6:05 PM EDTSpecial Marine WarningPHI85 min
Jul 23, 7:11 PM EDTSpecial Weather StatementPHIAtlantic34 min
Jul 23, 7:18 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland27 min
Jul 23, 7:23 PM EDTSpecial Marine WarningPHI82 min
Jul 23, 3:58 PM EDTSpecial Weather StatementPHIChester47 min
Jul 23, 4:10 PM EDTSpecial Weather StatementPHIPhiladelphia50 min
Jul 23, 4:28 PM EDTSevere Thunderstorm WarningPHIChester47 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2016Severe Thunderstorm Warnings in Pennsylvania, 2016Every severe thunderstorm warning in 2016

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.