Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 103, NWS Philadelphia/Mount Holly

June 9, 20116 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 9, 2011, 10:59 PM EDT for 6 counties in New Jersey. It was in force for 46 min. 3 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 9, 2011, 10:59 PM EDT (02:59 UTC)
Expired
Jun 9, 2011, 11:45 PM EDT
In force
46 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 40 km from the middle of the area, began a volume at 02:59 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 9, 11:05 PM EDTHAIL 1Woodbine, NJ
Jun 9, 11:07 PM EDTHAIL 0.75Mays Landing, NJ
Jun 9, 11:10 PM EDTHAIL 0.75Mays Landing, NJ

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.0 hours before the alert went out and 208 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, Wallops Is Stn, VA at 00:00Z on 2011-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1702 joules per kilogram.LCLLFCEL10008507005003002001001 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, Wallops Is Stn, VA at 00:00Z on 2011-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
1702 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
1829 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
-9 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.

737 
WUUS51 KPHI 100259
SVRPHI
NJC001-005-007-009-011-029-100345-
/O.NEW.KPHI.SV.W.0103.110610T0259Z-110610T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1059 PM EDT THU JUN 9 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  THIS INCLUDES THE CITY OF ATLANTIC CITY...
  SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  EXTREME SOUTHEASTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  NORTHERN CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
  EXTREME EAST CENTRAL CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1145 PM EDT

* AT 1054 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  ESTELL MANOR...OR 13 MILES EAST OF VINELAND...AND MOVING EAST AT 50
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES NORTH OF SOMERS POINT AND 9 MILES NORTH OF OCEAN CITY
  AROUND 1105 PM EDT...
  PLEASANTVILLE...ABSECON...NORTHFIELD AND POMONA AROUND 1110 PM
  EDT...
  ATLANTIC CITY AND VENTNOR CITY AROUND 1115 PM EDT...
  BRIGANTINE AROUND 1120 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 3974 7409 3952 7425 3950 7433 3953 7434
      3953 7440 3949 7438 3947 7429 3942 7433
      3930 7455 3912 7471 3912 7489 3971 7480
      3985 7413 3984 7413 3976 7418 3972 7415
      3975 7412 3977 7415 3977 7412 3986 7408
TIME...MOT...LOC 0259Z 272DEG 43KT 3941 7469

$$

IOVINO
1 follow-up statement
589 
WWUS51 KPHI 100316
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1116 PM EDT THU JUN 9 2011

NJC001-005-007-009-011-029-100345-
/O.CON.KPHI.SV.W.0103.000000T0000Z-110610T0345Z/
CUMBERLAND NJ-CAMDEN NJ-CAPE MAY NJ-OCEAN NJ-ATLANTIC NJ-
BURLINGTON NJ-
1116 PM EDT THU JUN 9 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR SOUTHEASTERN BURLINGTON...ATLANTIC...SOUTHERN OCEAN...NORTHERN
CAPE MAY...EXTREME SOUTHEASTERN CAMDEN AND EXTREME EAST CENTRAL
CUMBERLAND COUNTIES...

AT 1115 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM NEW GRETNA TO SEA ISLE 
CITY...MOVING EAST AT 50 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  BRIGANTINE...BEACH HAVEN AND 8 MILES SOUTH OF MANAHAWKIN BY 1125 PM
  EDT...
  NORTH BEACH HAVEN...SHIP BOTTOM...6 MILES SOUTH OF SURF CITY AND 6
  MILES SOUTH OF BEACH HAVEN WEST BY 1130 PM EDT...
  8 MILES SOUTH OF HARVEY CEDARS BY 1135 PM EDT...

LAT...LON 3974 7409 3952 7425 3950 7433 3953 7434
      3953 7440 3949 7438 3947 7429 3942 7433
      3930 7455 3912 7471 3912 7489 3971 7480
      3985 7413 3984 7413 3976 7418 3972 7415
      3975 7412 3977 7415 3977 7412 3986 7408
TIME...MOT...LOC 0316Z 272DEG 43KT 3959 7441 3911 7463

$$

IOVINO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 8:10 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Cumberland, Gloucester, Mercer, Salem65 min
Jun 9, 10:05 PM EDTSpecial Marine WarningPHI40 min
Jun 9, 10:13 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem47 min
Jun 9, 10:32 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem58 min
Jun 9, 10:52 PM EDTSpecial Marine WarningPHI83 min
Jun 9, 11:24 PM EDTSpecial Marine WarningPHI96 min
Jun 10, 6:14 PM EDTSpecial Weather StatementPHICumberland61 min
Jun 10, 7:07 PM EDTSpecial Weather StatementPHICumberland53 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2011Every severe thunderstorm warning in 2011

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.