Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 45, NWS Philadelphia/Mount Holly

June 5, 20164 states

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 5, 2016, 5:23 PM EDT for 4 states. It was in force for 52 min. 18 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, 5:23 PM EDT (21:23 UTC)
Expired
Jun 5, 2016, 6:15 PM EDT
In force
52 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties New Castle County, DE, Cecil County, MD, 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), 66 km from the middle of the area, began a volume at 21:23 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 5, 5:25 PM EDTTSTM WND GST 48White Clay Creek, DE
Jun 5, 5:28 PM EDTTSTM WND DMGPike Creek, DELARGE PINE TREE SPLIT AND UPROOTED. TIME ESTIMATED BY RADAR.
Jun 5, 5:30 PM EDTTSTM WND GST 46Wilmington, DEHANDHELD.
Jun 5, 5:35 PM EDTTSTM WND DMGHolly Oak, DELARGE LIMBS DOWN. DIX 88D TIME EST.
Jun 5, 5:35 PM EDTTSTM WND DMGWilmington, DEBRANCHES DOWN VCNTY WILMINGTON HOSPITAL. TIME EST.
Jun 5, 5:35 PM EDTTSTM WND GST 48New Castle County Airpo, DE
Jun 5, 5:40 PM EDTTSTM WND DMGPennsville, NJLARGE TREE DOWN BLOCKING A ROAD. TIME ESTIMATED BY RADAR.
Jun 5, 5:42 PM EDTMARINE TSTM WIND 39Delaware City, DE
Jun 5, 5:50 PM EDTTSTM WND DMGWallingford, PALARGE TREE DOWN TAKING WIRES WITH IT AND LANDING ON A CAR. NO INJURIES REPORTED.
Jun 5, 5:51 PM EDTTSTM WND DMGSwedesboro, NJLARGE TREE DOWN. DIX 88D TIME EST.
Jun 5, 5:58 PM EDTTSTM WND GST 60Collingdale, PA
Jun 5, 6:01 PM EDTTSTM WND GST 52Philadelphia Intl Airpo, PA
Jun 5, 6:02 PM EDTTSTM WND DMGSewell, NJSEVERAL TREES UPROOTED. DIX 88D TIME EST.
Jun 5, 6:06 PM EDTTSTM WND DMGMullica Hill, NJ2 TREES DOWN
Jun 5, 6:08 PM EDTTSTM WND DMGWashington Twp, NJPOWER OUT.
Jun 5, 6:08 PM EDTTSTM WND GST 65Clayton, NJLARGE LIMBS DOWN. DIX 88D TIME EST.
Jun 5, 6:13 PM EDTTSTM WND GST 74Blackwood, NJ1 FOOT DIAMETER TREE SNAPPED
Jun 5, 6:19 PM EDTTSTM WND DMGWest Deptford Twp, NJTREES AND POWERLINES DOWN.

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 5, 3:12 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.4 hours before the alert went out and 218 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 2016-06-05Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2016-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.19395878Sfc1 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
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.

312 
WUUS51 KPHI 052123
SVRPHI
DEC003-MDC015-NJC007-015-033-PAC017-029-045-091-101-052215-
/O.NEW.KPHI.SV.W.0045.160605T2123Z-160605T2215Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

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

* UNTIL 615 PM EDT

* AT 522 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR GERYVILLE TO LIONVILLE TO NORTH STAR...MOVING
  EAST AT 55 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  PHILADELPHIA...CAMDEN...WILMINGTON...NEWARK...WEST CHESTER...ELKTON...
  GLOUCESTER CITY...CHERRY HILL...BENSALEM...NORRISTOWN...CHESTER...
  DEPTFORD...WEST DEPTFORD...GLASSBORO...LINDENWOLD...PHOENIXVILLE...
  LANSDALE...WEST NORRITON...EAST NORRITON AND PENNSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

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

&&

LAT...LON 4003 7573 4040 7548 4026 7485 4025 7484
      4007 7491 4005 7497 3999 7506 3999 7503
      3998 7501 3995 7502 3992 7497 3956 7512
      3958 7586
TIME...MOT...LOC 2122Z 253DEG 48KT 4040 7541 4006 7564 3975 7573 

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

GORSE
1 follow-up statement
802 
WWUS51 KPHI 052146
SVSPHI

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

MDC015-052155-
/O.CAN.KPHI.SV.W.0045.000000T0000Z-160605T2215Z/
CECIL MD-
546 PM EDT SUN JUN 5 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CECIL COUNTY 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
NORTHERN DELAWARE...SOUTHERN NEW JERSEY...AND SOUTHEASTERN
PENNSYLVANIA.

LAT...LON 3999 7559 4036 7535 4026 7485 4025 7484
      4007 7491 4005 7497 3999 7506 3998 7501
      3995 7502 3992 7497 3956 7512 3959 7568
TIME...MOT...LOC 2145Z 292DEG 36KT 4027 7521 3992 7541 3960 7547 

$$

DEC003-NJC007-015-033-PAC017-029-045-091-101-052215-
/O.CON.KPHI.SV.W.0045.000000T0000Z-160605T2215Z/
NEW CASTLE DE-CAMDEN NJ-GLOUCESTER NJ-SALEM NJ-CHESTER PA-BUCKS PA-
DELAWARE PA-MONTGOMERY PA-PHILADELPHIA PA-
546 PM EDT SUN JUN 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHEASTERN NEW CASTLE...NORTHWESTERN CAMDEN...GLOUCESTER...
CENTRAL SALEM...SOUTHEASTERN CHESTER...SOUTHERN BUCKS...DELAWARE...
MONTGOMERY AND PHILADELPHIA COUNTIES...

AT 545 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM CHALFONT TO LIMA TO NEAR SALEM...MOVING SOUTHEAST AT 40
MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
PHILADELPHIA...CAMDEN...WILMINGTON...WEST CHESTER...GLOUCESTER CITY...
CHERRY HILL...BENSALEM...NORRISTOWN...CHESTER...DEPTFORD...WEST DEPTFORD...
GLASSBORO...LINDENWOLD...LANSDALE...WEST NORRITON...EAST NORRITON...
PENNSVILLE...BELLMAWR...YEADON AND WESTTOWN.

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 ALONG PORTIONS OF THE LINE OF STORMS. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3999 7559 4036 7535 4026 7485 4025 7484
      4007 7491 4005 7497 3999 7506 3998 7501
      3995 7502 3992 7497 3956 7512 3959 7568
TIME...MOT...LOC 2145Z 292DEG 36KT 4027 7521 3992 7541 3960 7547 

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

GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 3:34 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh, Monroe, Northampton86 min
Jun 5, 4:29 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton46 min
Jun 5, 4:37 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Delaware, Montgomery38 min
Jun 5, 5:06 PM EDTSevere Thunderstorm WarningPHINorthampton54 min
Jun 5, 5:53 PM EDTSevere Thunderstorm WarningPHIBucks52 min
Jun 5, 5:58 PM EDTSevere Thunderstorm WarningPHIDelaware, Montgomery, Philadelphia47 min
Jun 5, 4:02 PM EDTSpecial Weather StatementPHIAtlantic43 min
Jun 5, 4:44 PM EDTSpecial Marine WarningPHI61 min
Jun 5, 5:18 PM EDTSpecial Marine WarningPHI87 min
Jun 5, 6:31 PM EDTSpecial Marine WarningPHI89 min
Jun 5, 6:33 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Monmouth, Ocean42 min
Jun 5, 6:47 PM EDTSpecial Marine WarningPHI118 min
Jun 5, 4:05 PM EDTSpecial Weather StatementPHISussex40 min
Jun 5, 4:35 PM EDTSevere Thunderstorm WarningPHISussex40 min
Jun 5, 6:25 PM EDTSpecial Weather StatementPHIQueen Anne's50 min
Jun 5, 7:51 PM EDTSpecial Weather StatementPHIQueen Anne's39 min

Nearby

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