Alert archive / New Jersey / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 70, NWS Philadelphia/Mount Holly

July 2, 20146 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 2, 2014, 8:53 PM EDT for 6 counties in New Jersey. It was in force for 67 min. 1 report 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 2, 2014, 8:53 PM EDT (00:53 UTC)
Expired
Jul 2, 2014, 10:00 PM EDT
In force
67 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

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

The radar

The Philadelphia radar (KDIX), 34 km from the middle of the area, began a volume at 00:56 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 2, 9:09 PM EDTHAIL 0.25Berlin, NJPEA SIZED HAIL REPORTED

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 2, 1:22 PM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.9 hours before the alert went out and 200 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 2014-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1001 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, Brookhaven, NY at 00:00Z on 2014-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
1001 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.5

Open this sounding in Storm Lab

The text

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

930 
WUUS51 KPHI 030053
SVRPHI
NJC001-005-007-015-029-033-030200-
/O.NEW.KPHI.SV.W.0070.140703T0053Z-140703T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
853 PM EDT WED JUL 2 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  CENTRAL GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  NORTH CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...
  NORTH CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1000 PM EDT

* AT 849 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
  LEISURETOWNE TO WOODSTOWN...MOVING EAST AT 30 MPH. THESE STORMS ARE
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PITMAN AROUND 900 PM EDT...
  BROWNS MILLS AROUND 905 PM EDT...
  LEISURETOWNE AND BERLIN AROUND 910 PM EDT...
  MARLTON LAKES AROUND 915 PM EDT...
  MONROE TOWNSHIP AROUND 920 PM EDT...
  WILLIAMSTOWN AND SICKLERVILLE AROUND 925 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.

&&

LAT...LON 3964 7466 3964 7542 3999 7479 3996 7414
TIME...MOT...LOC 0053Z 252DEG 26KT 3994 7468 3967 7527

$$

FORECASTER:
SFJ
2 follow-up statements
781 
WWUS51 KPHI 030129
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
929 PM EDT WED JUL 2 2014

NJC033-030140-
/O.CAN.KPHI.SV.W.0070.000000T0000Z-140703T0200Z/
SALEM NJ-
929 PM EDT WED JUL 2 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SALEM COUNTY IS 
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR SOUTHERN NEW JERSEY.

LAT...LON 3964 7466 3965 7511 3999 7479 3996 7414
TIME...MOT...LOC 0130Z 259DEG 28KT 3999 7431 3972 7490

$$

NJC001-005-007-015-029-030200-
/O.CON.KPHI.SV.W.0070.000000T0000Z-140703T0200Z/
CAMDEN NJ-GLOUCESTER NJ-BURLINGTON NJ-ATLANTIC NJ-OCEAN NJ-
929 PM EDT WED JUL 2 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR CENTRAL OCEAN...NORTH CENTRAL ATLANTIC...CENTRAL BURLINGTON...
EAST CENTRAL GLOUCESTER AND SOUTHEASTERN CAMDEN COUNTIES...

AT 927 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM CRESTWOOD VILLAGE TO SICKLERVILLE...OR ALONG A LINE
EXTENDING FROM 9 MILES WEST OF TOMS RIVER TO 16 MILES SOUTHEAST OF
GLOUCESTER CITY...MOVING EAST AT 30 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  CRESTWOOD VILLAGE BY 935 PM EDT...
  SHAMONG BY 940 PM EDT...
  HOLIDAY CITY BY 945 PM EDT...
  ATSION BY 950 PM EDT...
  WHARTON STATE FOREST...SILVER RIDGE...HOLIDAY HEIGHTS AND
  CHATSWORTH BY 955 PM EDT...
  BAMBER LAKE AND SOUTH TOMS RIVER BY 1000 PM EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR SOUTHERN NEW JERSEY.

LAT...LON 3964 7466 3965 7511 3999 7479 3996 7414
TIME...MOT...LOC 0130Z 259DEG 28KT 3999 7431 3972 7490

$$

SFJ
806 
WWUS51 KPHI 030148
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
948 PM EDT WED JUL 2 2014

NJC001-007-015-030158-
/O.CAN.KPHI.SV.W.0070.000000T0000Z-140703T0200Z/
CAMDEN NJ-GLOUCESTER NJ-ATLANTIC NJ-
948 PM EDT WED JUL 2 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ATLANTIC...EAST
CENTRAL GLOUCESTER AND SOUTHEASTERN CAMDEN COUNTIES IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR SOUTHERN NEW JERSEY.

LAT...LON 3966 7462 3988 7489 3999 7479 3996 7414
TIME...MOT...LOC 0148Z 259DEG 28KT 4001 7413 3975 7472

$$

NJC005-029-030200-
/O.CON.KPHI.SV.W.0070.000000T0000Z-140703T0200Z/
BURLINGTON NJ-OCEAN NJ-
948 PM EDT WED JUL 2 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR CENTRAL OCEAN AND CENTRAL BURLINGTON COUNTIES...

AT 945 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM TOMS RIVER TO SHAMONG...OR ALONG A LINE EXTENDING FROM
TOMS RIVER TO 22 MILES SOUTHEAST OF GLOUCESTER CITY...MOVING EAST AT
30 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  WHARTON STATE FOREST BY 955 PM EDT...
  TOMS RIVER...BEACHWOOD...SOUTH TOMS RIVER AND BAMBER LAKE BY 1000
  PM EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR SOUTHERN NEW JERSEY.

LAT...LON 3966 7462 3988 7489 3999 7479 3996 7414
TIME...MOT...LOC 0148Z 259DEG 28KT 4001 7413 3975 7472

$$

SFJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:07 PM EDTAreal Flood AdvisoryPHIBurlington, Mercer, Middlesex, Monmouth, Ocean4 hr
Jul 2, 8:08 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Cumberland, Gloucester, Salem52 min
Jul 2, 8:19 PM EDTSpecial Weather StatementPHIMercer, Middlesex, Monmouth56 min
Jul 2, 8:25 PM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth, Somerset4 hr
Jul 2, 8:33 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean57 min
Jul 2, 8:59 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Monmouth, Ocean4 hr
Jul 2, 9:54 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean44 min
Jul 2, 10:20 PM EDTSpecial Marine WarningPHI55 min
Jul 2, 10:30 PM EDTSpecial Weather StatementPHIAtlantic60 min
Jul 2, 10:38 PM EDTAreal Flood AdvisoryPHIBurlington, Camden112 min
Jul 2, 10:58 PM EDTSpecial Weather StatementPHIBurlington62 min
Jul 2, 11:17 PM EDTFlash Flood WarningPHIBurlington3 hr
Jul 3, 12:19 AM EDTSpecial Marine WarningPHI116 min
Jul 3, 12:23 AM EDTSpecial Marine WarningPHI67 min
Jul 3, 12:26 AM EDTSpecial Marine WarningPHI64 min
Jul 3, 12:41 AM EDTSevere Thunderstorm WarningPHICumberland50 min
Jul 3, 1:00 AM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem45 min
Jul 3, 1:14 AM EDTSpecial Marine WarningPHI61 min
Jul 3, 1:19 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more56 min
Jul 3, 1:52 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Ocean4 hr
Jul 3, 1:56 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Ocean53 min
Jul 3, 2:08 AM EDTSpecial Marine WarningPHI67 min
Jul 3, 2:34 AM EDTSpecial Weather StatementPHIMonmouth56 min
Jul 3, 5:46 AM EDTSmall Craft AdvisoryPHI54 hr
Jul 3, 1:22 PM EDTSpecial Weather StatementPHIWarren38 min
Jul 3, 1:57 PM EDTTornado WarningPHIWarren24 min
Jul 3, 2:23 PM EDTSpecial Weather StatementPHISussex52 min
Jul 3, 3:27 PM EDTHigh Surf AdvisoryPHIAtlantic, Cape May, Monmouth, Ocean41 hr
Jul 3, 4:26 PM EDTSpecial Weather StatementPHIWarren49 min
Jul 3, 5:00 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex60 min
Jul 3, 5:21 PM EDTSpecial Weather StatementPHISussex54 min
Jul 3, 5:50 PM EDTSevere Thunderstorm WarningPHISussex55 min
Jul 3, 6:17 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jul 3, 6:38 PM EDTSpecial Weather StatementPHIWarren67 min
Jul 3, 6:42 PM EDTFlash Flood WarningPHISussex4 hr
Jul 3, 6:46 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester44 min
Jul 3, 6:47 PM EDTSevere Thunderstorm WarningPHIHunterdon, Sussex, Warren58 min
Jul 3, 7:02 PM EDTAreal Flood AdvisoryPHISussex, Warren4 hr
Jul 3, 7:05 PM EDTSpecial Weather StatementPHIHunterdon55 min
Jul 3, 7:14 PM EDTSpecial Weather StatementPHISussex61 min
Jul 3, 7:20 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Morris, Somerset55 min
Jul 3, 7:25 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Morris, Somerset, Warren65 min
Jul 3, 7:29 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean61 min
Jul 3, 7:44 PM EDTFlash Flood WarningPHIMercer, Middlesex, Morris, Somerset4 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2014Every severe thunderstorm warning in 2014

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.