Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 50, NWS Philadelphia/Mount Holly

June 8, 2016New Castle County, Delaware; 5 counties in Pennsylvania; 4 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 8, 2016, 11:27 AM EDT for New Castle County, Delaware; 5 counties in Pennsylvania; 4 counties in New Jersey. It was in force for 48 min. 46 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 8, 2016, 11:27 AM EDT (15:27 UTC)
Expired: Jun 8, 2016, 12:15 PM EDT
In force: 48 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Salem County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 15:28 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 8, 11:30 AM EDT	TSTM WND DMG	Pennsbury Twp, PA	TREES DOWN ON HOUSE
Jun 8, 11:35 AM EDT	TSTM WND GST 60	Brookhaven, PA
Jun 8, 11:40 AM EDT	TSTM WND GST 60	Collingdale, PA
Jun 8, 11:43 AM EDT	TSTM WND DMG	Drexel Hill, PA	TREE DOWN ON HOUSE
Jun 8, 11:45 AM EDT	TSTM WND DMG	Ardmore, PA	TREES AND WIRES DOWN. TIME CHECKED VIA RADAR.
Jun 8, 11:45 AM EDT	TSTM WND DMG	Bryn Mawr, PA	LARGE TREES DOWN BLOCKING ROAD. TIME CHECKED VIA RADAR.
Jun 8, 11:45 AM EDT	TSTM WND DMG	Wynnewood, PA	TREES AND WIRES DOWN... SOME BLOCKING ROADS. A STREET LIGHT WAS BLOWN DOWN. TIME CHECKED VIA RADAR.
Jun 8, 11:45 AM EDT	TSTM WND GST 50	Drexel Hill, PA
Jun 8, 11:45 AM EDT	TSTM WND GST 55	Logan Twp, NJ
Jun 8, 11:46 AM EDT	TSTM WND DMG	Lower Merion Twp, PA	TREES AND WIRES DOWN. TIME CHECKED VIA RADAR.
Jun 8, 11:47 AM EDT	TSTM WND GST 59	Philadelphia Intl Airpo, PA
Jun 8, 11:50 AM EDT	TSTM WND DMG	Bala Cynwyd, PA	LARGE TREE DOWN BLOCKING A ROAD. TIME CHECKED VIA RADAR.
Jun 8, 11:50 AM EDT	TSTM WND DMG	Philadelphia, PA	SEPTA SERVICE SUSPENDED ON THE CHESTNUT HILL WEST AND TRENTON LINES DUE TO DOWNED WIRES. TIME ESTIMATED BY RADAR.
Jun 8, 11:50 AM EDT	TSTM WND DMG	Plymouth Twp, PA	TREE FELL ONTO A VEHICLE. TIME CHECKED VIA RADAR.
Jun 8, 11:51 AM EDT	TSTM WND GST 57	Merchantville, NJ	TREES DOWN NEAR FEDERAL STREET
Jun 8, 11:53 AM EDT	TSTM WND DMG	Clarksboro, NJ	SEVERAL TREES DOWN. TIME ESTIMATED BY RADAR.
Jun 8, 11:53 AM EDT	TSTM WND DMG	Elkins Park, PA	TREES AND WIRES DOWN. TIME CHECKED VIA RADAR.
Jun 8, 11:53 AM EDT	TSTM WND DMG	Mount Royal, NJ	SEVERAL TREES DOWN. TIME ESTIMATED BY RADAR.
Jun 8, 11:54 AM EDT	TSTM WND GST 69	Camden, NJ
Jun 8, 11:55 AM EDT	TSTM WND DMG	Abington, PA	TREES AND WIRES DOWN...SOME BLOCKING ROADS. TIME CHECKED VIA RADAR.
Jun 8, 11:55 AM EDT	TSTM WND DMG	Philadelphia, PA	WIRES DOWN ON 9TH AVE AT NORTH LIBERTY BLVD
Jun 8, 11:55 AM EDT	TSTM WND DMG	Philadelphia, PA	TREES AND WIRES DOWN ON FRANKFORD AVE
Jun 8, 11:55 AM EDT	TSTM WND DMG	Philadelphia, PA	TREES AND WIRES DOWN ON NORTH MAIN STREET
Jun 8, 11:55 AM EDT	TSTM WND DMG	Upper Moreland Twp, PA	LARGE TREES DOWN...SOME BLOCKING ROADS. WIRES ALSO DOWN. TIME CHECKED VIA RADAR.
Jun 8, 11:57 AM EDT	TSTM WND DMG	Blackwood, NJ	TREE DOWN IN YARD
Jun 8, 11:57 AM EDT	TSTM WND DMG	Haddon Heights, NJ	MASSIVE TREE SNAPPED AT THE BASE. ALSO APPROXIMATELY 20 TREES DOWN IN A LOCAL PARK. TIME ESTIMATED BY RADAR.
Jun 8, 11:57 AM EDT	TSTM WND DMG	Pennsauken, NJ	TREES AND WIRES DOWN. TIME ESTIMATED BY RADAR.
Jun 8, 11:59 AM EDT	TSTM WND GST 55	Pitman, NJ
Jun 8, 12:00 PM EDT	TSTM WND DMG	Cheltenham, PA	TREES AND WIRES DOWN. TIME CHECKED VIA RADAR.
Jun 8, 12:00 PM EDT	TSTM WND DMG	Lower Moreland Twp, PA	SEVERAL TREES DOWN... SOME BLOCKING ROADS. TIME CHECKED VIA RADAR.
Jun 8, 12:00 PM EDT	TSTM WND DMG	Northeast Philadelphia, PA	SEVERAL LARGE TREES UPROOTED. TIME ESTIMATED BY RADAR.
Jun 8, 12:00 PM EDT	TSTM WND GST 51	Ne Philadelphia Airport, PA
Jun 8, 12:01 PM EDT	TSTM WND GST 60	Maple Shade, NJ
Jun 8, 12:02 PM EDT	TSTM WND DMG	Barrington, NJ	TREES DOWN WITH POWER OUTAGES. TIME ESTIMATED BY RADAR.
Jun 8, 12:02 PM EDT	TSTM WND DMG	Cherry Hill, NJ	NUMEROUS TREES DOWN ALONG KINGS HIGHWAY BETWEEN RT 70 AND 73
Jun 8, 12:02 PM EDT	TSTM WND DMG	Cinnaminson, NJ	LARGE TREE DOWN WHICH CRUSHED A CAR. NO INJURIES REPORTED. NUMEROUS TREES DOWN IN THE TOWNSHIP WITH SOME ONTO HOMES. TIME ESTIMATED BY RADAR.
Jun 8, 12:02 PM EDT	TSTM WND DMG	Maple Shade, NJ	NUMEROUS TREES DOWN. TIME ESTIMATED BY RADAR.
Jun 8, 12:02 PM EDT	TSTM WND GST 60	Washington Twp, NJ	TREES DOWN
Jun 8, 12:03 PM EDT	TSTM WND DMG	Blackwood, NJ	THE ROOF OF A BUILDING AT CAMDEN COUNTY COLLEGE WAS TORN OFF. TIME ESTIMATED BY RADAR.
Jun 8, 12:03 PM EDT	TSTM WND DMG	Mount Laurel, NJ	TREES DOWN. TIME ESTIMATED BY RADAR.
Jun 8, 12:05 PM EDT	TSTM WND DMG	Delran Twp, NJ	SEVERAL TREES SNAPPED AND UPROOTED IN DELRAN TOWNSHIP. A POWER POLE WAS DOWN ACROSS HAINES MILL ROAD. TIME ESTIMATED BY RADAR.
Jun 8, 12:06 PM EDT	TSTM WND DMG	Sicklerville, NJ
Jun 8, 12:06 PM EDT	TSTM WND GST 50	Sewell, NJ
Jun 8, 12:07 PM EDT	TSTM WND DMG	Gloucester Twp, NJ	A LARGE SCOREBOARD AT THE HIGHLAND REGIONAL HIGH SCHOOL FOOTBALL FIELD BLOWN OVER. TIME ESTIMATED BY RADAR.
Jun 8, 12:16 PM EDT	HAIL 0.25	Sicklerville, NJ
Jun 8, 12:20 PM EDT	TSTM WND DMG	Medford Twp, NJ	MULTIPLE TREES AND WIRES DOWN. SEVERAL PINE TREES WERE EITHER SNAPPED OR UPROOTED ALONG MEDFORD LEAS WAY AND NEW FREEDOM ROAD. PARKED VEHICLES SUSTAINED WINDSHIELD DAMAGE AT MEDFORD LEAS DUE TO FALLEN TREE LIMBS. TIME ESTIMATED BY RADAR.

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

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 3.5 hours before the alert went out and 88 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: 1275 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

171 
WUUS51 KPHI 081527
SVRPHI
DEC003-NJC005-007-015-033-PAC017-029-045-091-101-081615-
/O.NEW.KPHI.SV.W.0050.160608T1527Z-160608T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1127 AM EDT WED JUN 8 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
  CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  NORTH CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  EASTERN CHESTER COUNTY IN SOUTHEASTERN PENNSYLVANIA...
  SOUTHEASTERN BUCKS COUNTY IN SOUTHEASTERN PENNSYLVANIA...
  DELAWARE COUNTY IN SOUTHEASTERN PENNSYLVANIA...
  SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEASTERN PENNSYLVANIA...
  PHILADELPHIA COUNTY IN SOUTHEASTERN PENNSYLVANIA...

* UNTIL 1215 PM EDT

* AT 1127 AM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM COLLEGEVILLE TO NEAR GRADYVILLE TO GREENVILLE...
  MOVING EAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* SEVERE THUNDERSTORMS WILL BE NEAR...
  NORRISTOWN...WEST NORRITON...EAST NORRITON...NEWTOWN SQUARE...
  BROOMALL...KING OF PRUSSIA...CHESTER TOWNSHIP AND RADNOR TOWNSHIP 
  AROUND 1135 AM EDT. 
  CHESTER...CONSHOHOCKEN...SWARTHMORE...NETHER PROVIDENCE TOWNSHIP...
  PLYMOUTH MEETING...TROUT LAKE AND BRYN MAWR AROUND 1140 AM EDT. 
  YEADON...FOLCROFT...AMBLER...PAULSBORO...NARBERTH...EAST LANSDOWNE...
  BECKETT...DARBY TOWNSHIP...DREXEL HILL AND MORRIS PARK AROUND 1145 
  AM EDT. 
  JENKINTOWN...NATIONAL PARK...SWEDESBORO...ABINGTON...WILLOW GROVE...
  SOUTH PHILADELPHIA...GIBBSTOWN AND GERMANTOWN AROUND 1150 AM EDT. 
  CAMDEN...GLOUCESTER CITY...WEST DEPTFORD...BELLMAWR...WOODBURY...
  HATBORO...WESTVILLE...ROCKLEDGE...BROOKLAWN AND BRYN ATHYN AROUND 
  1155 AM EDT. 
  PHILADELPHIA...DEPTFORD...PALMYRA...MAGNOLIA...WOODBURY HEIGHTS...
  FEASTERVILLE...ASHLAND...FEASTERVILLE-TREVOSE...ERLTON-ELLISBURG AND 
  GOLDEN TRIANGLE AROUND 1200 PM EDT. 
  CHERRY HILL...BENSALEM...VOORHEES...GLASSBORO...LINDENWOLD...PITMAN...
  RIVERSIDE...BEVERLY...LANGHORNE AND SPRINGDALE AROUND 1205 PM EDT. 
  EVESHAM...MOUNT LAUREL...WILLINGBORO...BURLINGTON...BRISTOL...CLAYTON...
  MARLTON...LEVITTOWN AND MARLTON LAKES AROUND 1210 PM EDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
ORELAND...SPRINGFIELD...WEST CONSHOHOCKEN...COLWYN...GLENOLDEN...CORNWELLS
HEIGHTS-EDDINGTON...COLLINGSWOOD...DARBY...TROOPER AND NWS OFFICE.

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.

&&

LAT...LON 3999 7558 4023 7553 4019 7479 3988 7480
      3963 7500 3976 7567
TIME...MOT...LOC 1527Z 278DEG 39KT 4019 7545 3996 7550 3979 7561 

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

ROBERTSON

1 follow-up statement

974 
WWUS51 KPHI 081550
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1150 AM EDT WED JUN 8 2016

DEC003-PAC029-081558-
/O.CAN.KPHI.SV.W.0050.000000T0000Z-160608T1615Z/
NEW CASTLE DE-CHESTER PA-
1150 AM EDT WED JUN 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NEW CASTLE AND
EASTERN CHESTER COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3988 7480 3963 7500 3972 7548 3977 7546
      3979 7541 3982 7545 3995 7536 4022 7535
      4019 7479
TIME...MOT...LOC 1548Z 278DEG 39KT 4016 7517 3993 7522 3976 7533 

$$

NJC005-007-015-033-PAC017-045-091-101-081615-
/O.CON.KPHI.SV.W.0050.000000T0000Z-160608T1615Z/
CAMDEN NJ-GLOUCESTER NJ-SALEM NJ-BURLINGTON NJ-BUCKS PA-DELAWARE PA-
MONTGOMERY PA-PHILADELPHIA PA-
1150 AM EDT WED JUN 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR CAMDEN...GLOUCESTER...NORTH CENTRAL SALEM...NORTHWESTERN
BURLINGTON...SOUTHEASTERN BUCKS...EASTERN DELAWARE...SOUTHEASTERN
MONTGOMERY AND PHILADELPHIA COUNTIES...

AT 1148 AM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR WILLOW GROVE TO SOUTH PHILADELPHIA TO SWEDESBORO...
MOVING EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...ASOS AND PUBLIC REPORTED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  GLOUCESTER CITY...BELLMAWR...HATBORO...WESTVILLE...ROCKLEDGE...
  BROOKLAWN...BRYN ATHYN...IVYLAND AND BEN FRANKLIN BRIDGE AROUND 1155 
  AM EDT. 
  CAMDEN...PALMYRA...MAGNOLIA...WOODBURY HEIGHTS...AUDUBON PARK...
  FEASTERVILLE...FEASTERVILLE-TREVOSE...GOLDEN TRIANGLE...CHERRY HILL 
  MALL AND NORTHEAST PHILADELPHIA AROUND 1200 PM EDT. 
  CHERRY HILL...BENSALEM...GLASSBORO...LINDENWOLD...PITMAN...RIVERSIDE...
  BEVERLY...LANGHORNE...SPRINGDALE AND GREENTREE AROUND 1205 PM EDT. 
  EVESHAM...MOUNT LAUREL...WILLINGBORO...VOORHEES...BURLINGTON...BRISTOL...
  CLAYTON...MARLTON...TURNERSVILLE AND LEVITTOWN AROUND 1210 PM EDT. 
  MEDFORD...LUMBERTON...FLORENCE...BERLIN...TULLYTOWN...
  FLORENCE-ROEBLING...SICKLERVILLE...WILLIAMSTOWN...MONROE TOWNSHIP AND 
  ATCO AROUND 1215 PM EDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
ORELAND...MARCUS HOOK...LAWNSIDE...BARRINGTON...WOODLYN...TRAINER...
SPRINGFIELD...WEST CONSHOHOCKEN...EDGEWATER PARK AND COLWYN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3988 7480 3963 7500 3972 7548 3977 7546
      3979 7541 3982 7545 3995 7536 4022 7535
      4019 7479
TIME...MOT...LOC 1548Z 278DEG 39KT 4016 7517 3993 7522 3976 7533 

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

ROBERTSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 11:03 AM EDT	Severe Thunderstorm Warning	PHI	New Castle	42 min
Jun 8, 11:23 AM EDT	Special Weather Statement	PHI	New Castle	37 min
Jun 8, 12:01 PM EDT	Special Weather Statement	PHI	Kent	29 min
Jun 8, 12:35 PM EDT	Special Weather Statement	PHI	Sussex	40 min
Jun 8, 2:25 PM EDT	Special Weather Statement	PHI	New Castle	50 min
Jun 8, 10:26 AM EDT	Special Weather Statement	PHI	Berks, Lehigh, Northampton	49 min
Jun 8, 10:36 AM EDT	Special Weather Statement	PHI	Chester	39 min
Jun 8, 11:12 AM EDT	Special Weather Statement	PHI	Bucks, Montgomery	48 min
Jun 8, 11:33 AM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Northampton	42 min
Jun 8, 12:02 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	43 min
Jun 8, 3:04 PM EDT	Special Weather Statement	PHI	Montgomery, Philadelphia	26 min
Jun 8, 11:23 AM EDT	Special Marine Warning	PHI		97 min
Jun 8, 12:04 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Middlesex, Monmouth, Somerset	56 min
Jun 8, 12:24 PM EDT	Severe Thunderstorm Warning	PHI	Cape May, Cumberland	51 min
Jun 8, 12:28 PM EDT	Special Marine Warning	PHI		92 min
Jun 8, 12:37 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean	38 min
Jun 8, 12:47 PM EDT	Gale Warning	PHI		8 hr
Jun 8, 12:47 PM EDT	Small Craft Advisory	PHI		45 hr
Jun 8, 12:47 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	28 min
Jun 8, 2:11 PM EDT	Special Marine Warning	PHI		64 min
Jun 8, 3:07 PM EDT	Special Marine Warning	PHI		83 min
Jun 8, 5:18 PM EDT	Special Weather Statement	PHI	Ocean	27 min

Nearby

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