Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 28, NWS Philadelphia/Mount Holly

June 7, 2012Atlantic County, Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 7, 2012, 6:45 PM EDT for Atlantic County, Burlington County, New Jersey. It was in force for 41 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
Jun 7, 2012, 6:45 PM EDT (22:45 UTC)
Expired
Jun 7, 2012, 7:26 PM EDT
In force
41 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Atlantic County, NJ, Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 53 km from the middle of the area, began a volume at 22:47 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 7, 6:50 PM EDTFUNNEL CLOUDGalloway Twp, NJA FUNNEL CLOUD WAS REPORTED IN GALLOWAY TOWNSHIP. HOWEVER SOME PICTURES SHOW THIS COULD HAVE BEEN A DEVELOPING WALL CLOUD.
Jun 7, 7:00 PM EDTHAIL 0.75Galloway Twp, NJPEA TO PENNY SIZE HAIL REPORTED IN GALLOWAY TOWNSHIP.
Jun 7, 7:00 PM EDTHAIL 0.88Absecon, NJNICKEL SIZE HAIL REPORTED IN ABSECON.
Jun 7, 7:00 PM EDTHAIL 0.88Pomona, NJNICKEL SIZE HAIL REPORTED IN POMONA.

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, 10.8 hours before the alert went out and 145 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, Phillips Aaf/Abe, MD at 12:00Z on 2012-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2012-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 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
52 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1309 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
43 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.

307 
WUUS51 KPHI 072245
SVRPHI
NJC001-005-072345-
/O.NEW.KPHI.SV.W.0028.120607T2245Z-120607T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
645 PM EDT THU JUN 7 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  THIS INCLUDES THE CITY OF ATLANTIC CITY...
  SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 745 PM EDT

* AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND   
  DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR PORT         
  REPUBLIC...OR 12 MILES NORTH OF ATLANTIC CITY...AND                
  MOVING SOUTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  POMONA AROUND 655 PM EDT...
  ABSECON AROUND 715 PM EDT...
  6 MILES NORTHEAST OF PLEASANTVILLE AND 9 MILES NORTHEAST OF
  NORTHFIELD AROUND 720 PM EDT...
  9 MILES NORTHEAST OF MARGATE CITY AROUND 740 PM EDT...
  BRIGANTINE...ATLANTIC CITY AND 7 MILES NORTHEAST OF VENTNOR CITY
  AROUND 745 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND 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.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3941 7434 3938 7440 3935 7441 3932 7451
      3951 7467 3963 7447 3959 7439 3957 7442
      3950 7440 3949 7437 3950 7435 3950 7431
      3947 7429
TIME...MOT...LOC 2244Z 317DEG 9KT 3952 7451

$$

GORSE
2 follow-up statements
872 
WWUS51 KPHI 072303
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
703 PM EDT THU JUN 7 2012

NJC005-072312-
/O.CAN.KPHI.SV.W.0028.000000T0000Z-120607T2345Z/
BURLINGTON NJ-
703 PM EDT THU JUN 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BURLINGTON COUNTY
IS CANCELLED...

THE STRONGEST PART OF THE STORM HAS MOVED OUT OF THE AREA.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3941 7434 3938 7440 3935 7441 3932 7451
      3951 7467 3956 7445 3954 7444 3955 7443
      3955 7441 3950 7440 3949 7437 3950 7431
      3947 7429
TIME...MOT...LOC 2302Z 315DEG 16KT 3946 7445

$$

NJC001-072345-
/O.CON.KPHI.SV.W.0028.000000T0000Z-120607T2345Z/
ATLANTIC NJ-
703 PM EDT THU JUN 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHEASTERN ATLANTIC COUNTY...

AT 700 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE 
HAIL...AND DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR 
ABSECON...OR 8 MILES NORTH OF ATLANTIC CITY...MOVING SOUTHEAST AT 20 
MPH. AT 700 PM, A TRAINED SPOTTER REPORTED HAIL UP TO THE SIZE OF 
PENNIES NEAR ABSECON.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  7 MILES NORTHEAST OF VENTNOR CITY AND 9 MILES NORTHEAST OF MARGATE
  CITY BY 715 PM EDT...
  BRIGANTINE AND ATLANTIC CITY BY 720 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND 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.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3941 7434 3938 7440 3935 7441 3932 7451
      3951 7467 3956 7445 3954 7444 3955 7443
      3955 7441 3950 7440 3949 7437 3950 7431
      3947 7429
TIME...MOT...LOC 2302Z 315DEG 16KT 3946 7445

$$

GORSE
475 
WWUS51 KPHI 072326
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
726 PM EDT THU JUN 7 2012

NJC001-072335-
/O.CAN.KPHI.SV.W.0028.000000T0000Z-120607T2345Z/
ATLANTIC NJ-
726 PM EDT THU JUN 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ATLANTIC COUNTY
IS CANCELLED...

THE STORM HAS WEAKENED BELOW SEVERE LIMITS, THEREFORE THE WARNING HAS
BEEN CANCELLED. HOWEVER, ADDITIONAL THUNDERSTORMS ARE MOVING IN FROM 
THE WEST AND THESE MAY PRODUCE SMALL HAIL.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3941 7434 3938 7440 3935 7441 3932 7451
      3951 7467 3956 7445 3954 7444 3955 7443
      3955 7441 3950 7440 3949 7437 3950 7431
      3947 7429
TIME...MOT...LOC 2325Z 315DEG 16KT 3939 7436

$$

GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:51 AM EDTCoastal Flood StatementPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more23 hr
Jun 7, 12:48 PM EDTSpecial Weather StatementPHIOcean42 min
Jun 7, 2:21 PM EDTSpecial Weather StatementPHIAtlantic54 min
Jun 7, 4:43 PM EDTSpecial Weather StatementPHIMonmouth62 min
Jun 7, 5:13 PM EDTSpecial Weather StatementPHIOcean47 min
Jun 7, 5:41 PM EDTSpecial Weather StatementPHIAtlantic34 min
Jun 7, 6:12 PM EDTSpecial Weather StatementPHIOcean48 min
Jun 7, 6:19 PM EDTSpecial Weather StatementPHIAtlantic41 min
Jun 7, 6:57 PM EDTSpecial Marine WarningPHI63 min
Jun 7, 7:30 PM EDTSpecial Weather StatementPHIAtlantic60 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2012Every severe thunderstorm warning in 2012

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.