Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 47, NWS Philadelphia/Mount Holly

June 5, 2016Delaware County, Montgomery County, Philadelphia County, Pennsylvania; 6 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 5, 2016, 5:58 PM EDT for Delaware County, Montgomery County, Philadelphia County, Pennsylvania; 6 counties in New Jersey. It was in force for 47 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: Jun 5, 2016, 5:58 PM EDT (21:58 UTC)
Expired: Jun 5, 2016, 6:45 PM EDT
In force: 47 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 46 km from the middle of the area, began a volume at 21:59 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

Time	Report	Where	Remark
Jun 5, 5:58 PM EDT	TSTM WND GST 60	Collingdale, PA
Jun 5, 6:01 PM EDT	TSTM WND GST 52	Philadelphia Intl Airpo, PA
Jun 5, 6:02 PM EDT	TSTM WND DMG	Sewell, NJ	SEVERAL TREES UPROOTED. DIX 88D TIME EST.
Jun 5, 6:05 PM EDT	TSTM WND GST 50	Upper Deerfield Twp, NJ
Jun 5, 6:06 PM EDT	TSTM WND DMG	Mullica Hill, NJ	2 TREES DOWN
Jun 5, 6:08 PM EDT	TSTM WND DMG	Washington Twp, NJ	POWER OUT.
Jun 5, 6:08 PM EDT	TSTM WND GST 65	Clayton, NJ	LARGE LIMBS DOWN. DIX 88D TIME EST.
Jun 5, 6:13 PM EDT	TSTM WND GST 74	Blackwood, NJ	1 FOOT DIAMETER TREE SNAPPED
Jun 5, 6:14 PM EDT	TSTM WND GST 70	Williamstown, NJ	EST 60-70. DIX88D TIME EST.
Jun 5, 6:16 PM EDT	TSTM WND DMG	Pine Hill, NJ	TREE DOWN WHICH DAMAGED A FENCE. ANOTHER TREE DOWN ONTO A HOUSE. TIME ESTIMATED BY RADAR.
Jun 5, 6:19 PM EDT	TSTM WND DMG	West Deptford Twp, NJ	TREES AND POWERLINES DOWN.
Jun 5, 6:21 PM EDT	TSTM WND DMG	Atco, NJ	SVRL LARGE LIMBS DOWN ON VAN. GAZEBO LIFTED AND MOVED 3 FT AND BROKE APART. DIX 88D TIME EST.
Jun 5, 6:25 PM EDT	TSTM WND DMG	Moorestown, NJ	LARGE TREE DOWN AT CENTRAL AND NORTH WASHINGTON BLOCKING THE ROAD. PSEG WIRES INVOLVED. TIME ESTIMATED BY RADAR.

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.

Issued	Product	Office	Lasted
Jun 5, 3:12 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.0 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 915 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

486 
WUUS51 KPHI 052158
SVRPHI
NJC001-005-007-011-015-033-PAC045-091-101-052245-
/O.NEW.KPHI.SV.W.0047.160605T2158Z-160605T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
558 PM EDT SUN JUN 5 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY...
  NORTHERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
  CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  EASTERN DELAWARE COUNTY IN SOUTHEASTERN PENNSYLVANIA...
  SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEASTERN PENNSYLVANIA...
  PHILADELPHIA COUNTY IN SOUTHEASTERN PENNSYLVANIA...

* UNTIL 645 PM EDT

* AT 555 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM MORRIS PARK TO MULLICA HILL TO NEAR ALLOWAY...MOVING
  EAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  PHILADELPHIA...CAMDEN...VINELAND...BRIDGETON...GLOUCESTER CITY...CHERRY
  HILL...EVESHAM...MOUNT LAUREL...WILLINGBORO...DEPTFORD...VOORHEES...
  MEDFORD...WEST DEPTFORD...GLASSBORO...LINDENWOLD...HAMMONTON...
  LUMBERTON...FLORENCE...BELLMAWR AND YEADON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IN ADDITION TO 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.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3947 7476 3944 7545 3972 7531 4005 7535
      4011 7497 4010 7496 4008 7496 4006 7498
      4005 7497 4008 7487 4013 7482 4012 7478
      4015 7470 3976 7462
TIME...MOT...LOC 2155Z 263DEG 42KT 3999 7526 3973 7523 3952 7534 

HAIL...<.75IN
WIND...60MPH
 
$$

LF

1 follow-up statement

245 
WWUS51 KPHI 052223
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
623 PM EDT SUN JUN 5 2016

PAC045-091-052230-
/O.CAN.KPHI.SV.W.0047.000000T0000Z-160605T2245Z/
DELAWARE PA-MONTGOMERY PA-
623 PM EDT SUN JUN 5 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DELAWARE AND
SOUTHEASTERN MONTGOMERY 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 1000 PM EDT FOR
SOUTHERN NEW JERSEY...AND SOUTHEASTERN PENNSYLVANIA.

LAT...LON 3947 7476 3945 7532 3987 7521 4008 7519
      4005 7510 4009 7507 4010 7496 4008 7496
      4006 7498 4005 7497 4008 7487 4013 7482
      4012 7478 4015 7470 3976 7462
TIME...MOT...LOC 2220Z 262DEG 42KT 3998 7499 3976 7489 3955 7500 

$$

NJC001-005-007-011-015-033-PAC101-052245-
/O.CON.KPHI.SV.W.0047.000000T0000Z-160605T2245Z/
CAMDEN NJ-GLOUCESTER NJ-ATLANTIC NJ-SALEM NJ-CUMBERLAND NJ-
BURLINGTON NJ-PHILADELPHIA PA-
623 PM EDT SUN JUN 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CAMDEN...GLOUCESTER...NORTHWESTERN ATLANTIC...EAST CENTRAL
SALEM...NORTHERN CUMBERLAND...CENTRAL BURLINGTON AND PHILADELPHIA
COUNTIES...

AT 620 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR PALMYRA TO ATCO TO NEWFIELD...MOVING EAST AT 50
MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS. A REPORT OF A 74 MPH WIND GUST
         WAS RECEIVED FROM BLACKWOOD IN CAMDEN COUNTY. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
PHILADELPHIA...CAMDEN...VINELAND...GLOUCESTER CITY...CHERRY HILL...
EVESHAM...MOUNT LAUREL...WILLINGBORO...DEPTFORD...VOORHEES...MEDFORD...WEST
DEPTFORD...GLASSBORO...LINDENWOLD...HAMMONTON...LUMBERTON...FLORENCE...
BELLMAWR...WOODBURY AND BURLINGTON.

AREAS OF DESTRUCTIVE WINDS WILL OCCUR WITH THIS LINE OF STORMS,
WHICH IS NOW MOVING INTO BURLINGTON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3947 7476 3945 7532 3987 7521 4008 7519
      4005 7510 4009 7507 4010 7496 4008 7496
      4006 7498 4005 7497 4008 7487 4013 7482
      4012 7478 4015 7470 3976 7462
TIME...MOT...LOC 2220Z 262DEG 42KT 3998 7499 3976 7489 3955 7500 

HAIL...<.75IN
WIND...70MPH
 
$$

GORSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 3:34 PM EDT	Special Weather Statement	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	86 min
Jun 5, 4:29 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	46 min
Jun 5, 4:37 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Delaware, Montgomery	38 min
Jun 5, 5:06 PM EDT	Severe Thunderstorm Warning	PHI	Northampton	54 min
Jun 5, 5:23 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	52 min
Jun 5, 5:53 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	52 min
Jun 5, 4:02 PM EDT	Special Weather Statement	PHI	Atlantic	43 min
Jun 5, 4:44 PM EDT	Special Marine Warning	PHI		61 min
Jun 5, 5:18 PM EDT	Special Marine Warning	PHI		87 min
Jun 5, 6:31 PM EDT	Special Marine Warning	PHI		89 min
Jun 5, 6:33 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Monmouth, Ocean	42 min
Jun 5, 6:47 PM EDT	Special Marine Warning	PHI		118 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2016 Severe Thunderstorm Warnings in Pennsylvania, 2016 Every 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.