Alert archive / New Jersey / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 97, NWS Philadelphia/Mount Holly

July 9, 20157 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 9, 2015, 8:19 PM EDT for 7 counties in New Jersey. It was in force for 71 min. 4 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 9, 2015, 8:19 PM EDT (00:19 UTC)
Expired
Jul 9, 2015, 9:30 PM EDT
In force
71 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 24 km from the middle of the area, began a volume at 00:18 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 9, 8:20 PM EDTTSTM WND DMGPitman, NJWIRES DOWN EVENT TIME ESTIMATED BY RADAR
Jul 9, 8:30 PM EDTTSTM WND DMGWashington Twp, NJWIRES DOWN EVENT TIME ESTIMATED BY RADAR
Jul 9, 8:48 PM EDTFUNNEL CLOUD2 Se Marlton Lakes, NJFUNNEL CLOUD REPORTED BETWEEN MEDFORD LAKES AND ATCO. NO REPORTS OF A TOUCHDOWN. TIME ESTIMATED FROM RADAR.
Jul 9, 8:48 PM EDTTSTM WND DMGWaterford Twp, NJWIRES DOWN ON US 30 AT MILE POST 20.7

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
Jul 9, 4:57 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.3 hours before the alert went out and 176 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 00:00Z on 2015-07-10Temperature 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 00:00Z on 2015-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
676 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

417 
WUUS51 KPHI 100019
SVRPHI
NJC001-005-007-011-015-029-033-100130-
/O.NEW.KPHI.SV.W.0097.150710T0019Z-150710T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
819 PM EDT THU JUL 9 2015

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  EAST CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY...
  OCEAN COUNTY IN SOUTHERN NEW JERSEY...
  EASTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  NORTHERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 930 PM EDT

* AT 819 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
  KENDALL PARK TO NEAR BORDENTOWN TO NEAR PALMYRA TO PITMAN TO
  SHILOH...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TOMS RIVER...VINELAND...ATLANTIC CITY...MILLVILLE...BRIDGETON...
  LAKEWOOD...CHERRY HILL...JACKSON...EVESHAM...MOUNT LAUREL...
  WILLINGBORO...VOORHEES...MEDFORD...BARNEGAT...PLEASANTVILLE...
  GLASSBORO...LINDENWOLD...HAMMONTON...LUMBERTON AND BELLMAWR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

THESE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE. THIS IS A VERY
DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.
 
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 4006 7412 3979 7410 4000 7412 3999 7414
      3977 7410 3975 7420 3976 7410 3950 7434
      3955 7441 3941 7440 3942 7436 3949 7431
      3947 7430 3939 7438 3936 7538 3999 7504
      4017 7431 4010 7403
TIME...MOT...LOC 0019Z 242DEG 39KT 4043 7461 4013 7468 3999 7507 3975
7510 3945 7532

$$

GORSE
2 follow-up statements
869 
WWUS51 KPHI 100050
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
850 PM EDT THU JUL 9 2015

NJC001-005-007-011-015-029-033-100130-
/O.CON.KPHI.SV.W.0097.000000T0000Z-150710T0130Z/
ATLANTIC NJ-CAMDEN NJ-SALEM NJ-OCEAN NJ-GLOUCESTER NJ-BURLINGTON NJ-
CUMBERLAND NJ-
850 PM EDT THU JUL 9 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR ATLANTIC...CAMDEN...EAST CENTRAL SALEM...OCEAN...SOUTHEASTERN
GLOUCESTER...BURLINGTON AND NORTHEASTERN CUMBERLAND COUNTIES...

AT 849 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
ROBERTSVILLE TO NEAR CASSVILLE TO MEDFORD TO NEAR HAMMONTON TO NEAR
MILLVILLE...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
TOMS RIVER...VINELAND...ATLANTIC CITY...MILLVILLE...LAKEWOOD...
JACKSON...EVESHAM...MOUNT LAUREL...WILLINGBORO...VOORHEES...
MEDFORD...BARNEGAT...PLEASANTVILLE...LINDENWOLD...HAMMONTON...
LUMBERTON...BEACHWOOD...MOUNT HOLLY...BRIGANTINE AND NORTHFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DEADLY LIGHTNING AND 
VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE 
LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS 
QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 4006 7412 3979 7410 4000 7412 3999 7414
      3977 7410 3975 7420 3976 7410 3950 7434
      3955 7441 3941 7440 3942 7436 3949 7431
      3947 7430 3939 7438 3937 7519 4002 7492
      4017 7431 4010 7403
TIME...MOT...LOC 0049Z 271DEG 27KT 4036 7431 4006 7438 3992 7478 3968
7481 3938 7503

$$

GORSE
150 
WWUS51 KPHI 100114
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
914 PM EDT THU JUL 9 2015

NJC015-033-100122-
/O.CAN.KPHI.SV.W.0097.000000T0000Z-150710T0130Z/
SALEM NJ-GLOUCESTER NJ-
914 PM EDT THU JUL 9 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SALEM AND
SOUTHEASTERN GLOUCESTER COUNTIES IS CANCELLED...

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

LAT...LON 4006 7412 3979 7410 4000 7412 3999 7414
      3977 7410 3975 7420 3976 7410 3950 7434
      3955 7441 3941 7440 3942 7436 3949 7431
      3947 7430 3939 7438 3938 7496 3968 7481
      3984 7481 4006 7475 4010 7403
TIME...MOT...LOC 0112Z 242DEG 39KT 4047 7404 4017 7411 4003 7451 3979
7454 3949 7476

$$

NJC001-005-007-011-029-100130-
/O.CON.KPHI.SV.W.0097.000000T0000Z-150710T0130Z/
ATLANTIC NJ-CAMDEN NJ-OCEAN NJ-BURLINGTON NJ-CUMBERLAND NJ-
914 PM EDT THU JUL 9 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR ATLANTIC...SOUTHEASTERN CAMDEN...OCEAN...BURLINGTON AND EASTERN
CUMBERLAND COUNTIES...

AT 912 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 
60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR 
SANDY HOOK TO ALLENWOOD TO NEAR WOODRUFF TO NEAR CHATSWORTH TO NEAR
WEYMOUTH...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
TOMS RIVER...VINELAND...ATLANTIC CITY...LAKEWOOD...JACKSON...
BARNEGAT...PLEASANTVILLE...HAMMONTON...BEACHWOOD...BRIGANTINE...
NORTHFIELD...ABSECON...TABERNACLE...SHAMONG...POINT PLEASANT BEACH...
EGG HARBOR CITY...TUCKERTON...PRESIDENTIAL LAKES ESTATES...WEYMOUTH
AND LAKEHURST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DEADLY LIGHTNING AND 
VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE 
LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY 
SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4006 7412 3979 7410 4000 7412 3999 7414
      3977 7410 3975 7420 3976 7410 3950 7434
      3955 7441 3941 7440 3942 7436 3949 7431
      3947 7430 3939 7438 3938 7496 3968 7481
      3984 7481 4006 7475 4010 7403
TIME...MOT...LOC 0112Z 242DEG 39KT 4047 7404 4017 7411 4003 7451 3979
7454 3949 7476

$$

GORSE/FRANCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 8:17 PM EDTSpecial Marine WarningPHI58 min
Jul 9, 8:28 PM EDTSpecial Weather StatementPHIMonmouth47 min
Jul 9, 8:45 PM EDTSpecial Marine WarningPHI60 min
Jul 9, 8:51 PM EDTFlash Flood WarningPHIBurlington, Camden4 hr
Jul 9, 8:53 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland37 min
Jul 9, 8:55 PM EDTTornado WarningPHIBurlington20 min
Jul 9, 9:19 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May41 min
Jul 9, 9:28 PM EDTSpecial Marine WarningPHI62 min
Jul 9, 10:00 PM EDTSpecial Marine WarningPHI60 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2015Every severe thunderstorm warning 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.