Alert archive / New Jersey / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 16, NWS Philadelphia/Mount Holly

June 2, 20134 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2013, 9:03 PM EDT for 4 counties in New Jersey. It was in force for 42 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
Jun 2, 2013, 9:03 PM EDT (01:03 UTC)
Expired
Jun 2, 2013, 9:45 PM EDT
In force
42 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

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

The radar

The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 01:04 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 2, 9:15 PM EDTTSTM WND DMGPittsgrove Twp, NJTREE DOWN ON PORCHTOWN ROAD

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, 1.1 hours before the alert went out and 198 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 2013-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 162 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, Wallops Is Stn, VA at 00:00Z on 2013-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
162 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1306 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
110 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.

140 
WUUS51 KPHI 030103
SVRPHI
NJC001-007-015-033-030145-
/O.NEW.KPHI.SV.W.0016.130603T0103Z-130603T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
903 PM EDT SUN JUN 2 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHEASTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  EAST CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 945 PM EDT

* AT 900 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM. THE STORM WAS NEAR ELMER...MOVING NORTHEAST AT
  30 MPH. THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. 

* LOCATIONS IMPACTED INCLUDE...
  FRANKLINVILLE...
  GLASSBORO...
  MONROE TOWNSHIP...
  SICKLERVILLE...
  CHESILHURST...
  VOORHEES...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS CREATE WINDS OF MORE THAN 57 MPH...OR HAIL ONE
INCH OR LARGER.

&&

LAT...LON 3967 7466 3953 7501 3957 7506 3955 7508
      3951 7508 3949 7513 3958 7529 3989 7495
      3989 7493 3980 7491 3978 7489 3979 7485
      3979 7481
TIME...MOT...LOC 0103Z 231DEG 27KT 3959 7513

$$

IOVINO
1 follow-up statement
497 
WWUS51 KPHI 030130
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
930 PM EDT SUN JUN 2 2013

NJC001-007-015-033-030140-
/O.CAN.KPHI.SV.W.0016.000000T0000Z-130603T0145Z/
CAMDEN NJ-GLOUCESTER NJ-ATLANTIC NJ-SALEM NJ-
930 PM EDT SUN JUN 2 2013

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

THE STORM HAS WEAKENED TO BELOW SEVERE LIMITS...THEREFORE THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.

LAT...LON 3967 7466 3953 7501 3957 7506 3955 7508
      3951 7508 3949 7513 3958 7529 3989 7495
      3989 7493 3980 7491 3978 7489 3979 7485
      3979 7481
TIME...MOT...LOC 0130Z 231DEG 27KT 3972 7492

$$

IOVINO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 8:41 PM EDTSpecial Weather StatementPHIGloucester49 min
Jun 2, 11:19 PM EDTSpecial Weather StatementPHIMiddlesex26 min
Jun 3, 7:54 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Mercer, Middlesex, Monmouth, Somerset51 min
Jun 3, 8:50 AM EDTAreal Flood AdvisoryPHICape May115 min
Jun 3, 6:11 PM EDTSpecial Weather StatementPHIMonmouth64 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2013Every severe thunderstorm warning in 2013

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.