Alert archive / New Jersey / Tornado Warnings in 2015

Tornado Warning 4, NWS Philadelphia/Mount Holly

June 23, 2015Burlington County, Camden County, Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Jun 23, 2015, 5:58 PM EDT for Burlington County, Camden County, Gloucester County, New Jersey. It was in force for 20 min. 12 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 23, 2015, 5:58 PM EDT (21:58 UTC)
Expired
Jun 23, 2015, 6:18 PM EDT
In force
20 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

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

The radar

The Philadelphia radar (KDIX), 60 km from the middle of the area, began a volume at 22:01 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 23, 5:58 PM EDTTSTM WND DMGWest Deptford Twp, NJCAR OVERTURNED IN PARKING LOT OF DEPTFORD MALL
Jun 23, 5:59 PM EDTTSTM WND DMGMantua, NJMULTIPLE REPORTS OF TREES AND POWERLINES DOWN
Jun 23, 6:07 PM EDTTSTM WND DMGBlackwood, NJ50 FOOT PINE TREE SNAPPED IN HALF 6 TO 8 FEET FROM GROUND LEVEL. TIME ESTIMATED FROM RADAR.
Jun 23, 6:07 PM EDTTSTM WND DMGCherry Hill, NJWIRES DOWN ON EAST VALLEYBROOK ROAD
Jun 23, 6:07 PM EDTTSTM WND DMGGrenloch, NJ40 FOOT 100 YEAR OLD TREE PULLED UP FROM ITS ROOTS... TELEPHONE POLE SNAPPED IN HALF AND TRANSFORMER EXPLODED. WIRES DOWN ON THE GROUND. LOCATION IS ON WOODBURY TURNERSVILLE ROAD. TIME ESTIMATED FROM RADAR.
Jun 23, 6:12 PM EDTTSTM WND DMGClementon, NJTREES REPORTED DOWN IN CLEMENTON.
Jun 23, 6:13 PM EDTTSTM WND DMGMarlton, NJWIRES DOWN AND ON FIRE
Jun 23, 6:15 PM EDTFUNNEL CLOUDWest Berlin, NJPOSSIBLE FUNNEL CLOUD
Jun 23, 6:15 PM EDTTSTM WND DMGLindenwold, NJNUMEROUS TREES AND WIRES DOWN
Jun 23, 6:15 PM EDTTSTM WND DMGMarlton, NJTREES SNAPPED IN MARLTON IN NEIGHBORHOODS BEHIND DEMASI SCHOOL. SIDING RIPPED OFF SOME HOMES... AND SHEDS AND FENCES DESTROYED.
Jun 23, 6:20 PM EDTTSTM WND DMGLakeland, NJTRESS DOWN NEAR THE FIRE ACADEMY
Jun 23, 6:20 PM EDTTSTM WND DMGWoodbury Heights, NJTREE DOWN BLOCKING THE SOUTHBOUND LANES OF THE NEW JERSEY TURNPIKE.

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 23, 4:09 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.0 hours before the alert went out and 215 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 2015-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 844 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 2015-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
844 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
1420 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

532 
WFUS51 KPHI 232158
TORPHI
NJC005-007-015-232230-
/O.NEW.KPHI.TO.W.0004.150623T2158Z-150623T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
558 PM EDT TUE JUN 23 2015

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  NORTH CENTRAL GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  WEST CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 630 PM EDT
    
* AT 557 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  OVER PAULSBORO...OR 8 MILES SOUTHWEST OF GLOUCESTER CITY...AND
  MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CAMDEN...GLOUCESTER CITY...CHERRY HILL...EVESHAM...MOUNT LAUREL...
  DEPTFORD...VOORHEES...WEST DEPTFORD...LINDENWOLD...BELLMAWR...
  WOODBURY...BERLIN...PAULSBORO...MAGNOLIA...WESTVILLE...WOODBURY
  HEIGHTS...NATIONAL PARK...BROOKLAWN...AUDUBON PARK AND
  ERLTON-ELLISBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3977 7485 3979 7528 3985 7529 3986 7524
      3988 7519 3988 7515 3990 7513 3997 7490
TIME...MOT...LOC 2157Z 261DEG 43KT 3983 7525 

$$

TFG
1 follow-up statement
966 
WWUS51 KPHI 232218
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
618 PM EDT TUE JUN 23 2015

NJC005-007-015-232228-
/O.CAN.KPHI.TO.W.0004.000000T0000Z-150623T2230Z/
CAMDEN NJ-GLOUCESTER NJ-BURLINGTON NJ-
618 PM EDT TUE JUN 23 2015

...THE TORNADO WARNING FOR NORTHWESTERN CAMDEN...NORTH CENTRAL
GLOUCESTER AND WEST CENTRAL BURLINGTON COUNTIES IS CANCELLED...
    
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING 
HAS BEEN CANCELLED. HOWEVER...HAIL AND DAMAGING WINDS REMAIN LIKELY 
AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA.

LAT...LON 3977 7485 3979 7528 3985 7529 3986 7524
      3988 7519 3988 7515 3990 7513 3997 7490
TIME...MOT...LOC 2215Z 261DEG 43KT 3987 7492 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 9:10 AM EDTSpecial Weather StatementPHISussex35 min
Jun 23, 11:13 AM EDTSpecial Weather StatementPHIWarren32 min
Jun 23, 2:29 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren46 min
Jun 23, 5:38 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Cumberland, Gloucester, Salem52 min
Jun 23, 5:44 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Cumberland, Gloucester, Salem4 hr
Jun 23, 6:02 PM EDTSpecial Weather StatementPHIMorris, Sussex, Warren43 min
Jun 23, 6:13 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more77 min
Jun 23, 6:14 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem4 hr
Jun 23, 6:18 PM EDTAreal Flood AdvisoryPHIMorris, Sussex, Warren4 hr
Jun 23, 6:24 PM EDTSpecial Marine WarningPHI2 hr
Jun 23, 6:41 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Ocean4 hr
Jun 23, 7:44 PM EDTSpecial Marine WarningPHI91 min
Jun 23, 7:58 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland47 min

Nearby

Tornado Warnings in New Jersey, 2015Every tornado warning in 2015Tornadoes in 2015

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.