Alert archive / New Jersey / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 29, NWS Philadelphia/Mount Holly

June 13, 20135 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 13, 2013, 6:17 PM EDT for 5 counties in New Jersey. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 13, 2013, 6:17 PM EDT (22:17 UTC)
Expired
Jun 13, 2013, 7:15 PM EDT
In force
58 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

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

The radar

The Philadelphia radar (KDIX), 27 km from the middle of the area, began a volume at 22:19 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.

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.3 hours before the alert went out and 142 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 2013-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 416 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, Phillips Aaf/Abe, MD at 12:00Z on 2013-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.19395878Sfc1 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
416 J/kg
Mixed-layer CIN
-188 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

747 
WUUS51 KPHI 132217
SVRPHI
NJC001-005-009-011-029-132315-
/O.NEW.KPHI.SV.W.0029.130613T2217Z-130613T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
617 PM EDT THU JUN 13 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  NORTHEASTERN CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
  ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  OCEAN COUNTY IN SOUTHERN NEW JERSEY...
  NORTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 715 PM EDT

* AT 614 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM. THE STORM WAS NEAR MIZPAH...MOVING EAST AT 55
  MPH. THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ELWOOD-MAGNOLIA AND HAMMONTON AROUND 625 PM EDT...
  EGG HARBOR CITY AND BATSTO AROUND 630 PM EDT...
  WADING RIVER AND PORT REPUBLIC AROUND 635 PM EDT...
  NEW GRETNA AND PENN STATE FOREST AROUND 640 PM EDT...
  BASS RIVER STATE FOREST AND TUCKERTON AROUND 645 PM EDT...
  NORTH BEACH HAVEN AND BEACH HAVEN AROUND 650 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS SEVERE THUNDERSTORM HAS A HISTORY OF PRODUCING WIND DAMAGE.
DO NOT GO OUTDOORS!

&&

LAT...LON 3981 7407 3967 7414 3956 7422 3950 7430
      3940 7435 3930 7453 3914 7471 3947 7504
      3955 7508 3957 7506 3952 7498 3973 7473
      3979 7483 3980 7482 4011 7421 4010 7415
      4014 7411 4009 7407 4011 7403
TIME...MOT...LOC 2217Z 252DEG 49KT 3952 7484

$$

NIERENBERG
2 follow-up statements
241 
WWUS51 KPHI 132258
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
658 PM EDT THU JUN 13 2013

NJC001-009-011-132306-
/O.CAN.KPHI.SV.W.0029.000000T0000Z-130613T2315Z/
CAPE MAY NJ-ATLANTIC NJ-CUMBERLAND NJ-
658 PM EDT THU JUN 13 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CUMBERLAND...
ATLANTIC AND NORTHEASTERN CAPE MAY COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
THURSDAY EVENING FOR SOUTHERN DELAWARE AND NORTHEASTERN MARYLAND.

LAT...LON 3998 7404 3989 7408 3981 7407 3977 7408
      3977 7409 3967 7414 3960 7421 3956 7422
      3950 7430 3979 7483 4011 7421 4010 7415
      4014 7411 4009 7407 4010 7403
TIME...MOT...LOC 2256Z 252DEG 49KT 3968 7418

$$

NJC005-029-132315-
/O.CON.KPHI.SV.W.0029.000000T0000Z-130613T2315Z/
BURLINGTON NJ-OCEAN NJ-
658 PM EDT THU JUN 13 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR OCEAN AND SOUTHERN BURLINGTON COUNTIES...

AT 653 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR BEACH HAVEN WEST...OR 20 MILES SOUTH OF TOMS RIVER...MOVING EAST
AT 55 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
OCEAN GATE AND SEASIDE HEIGHTS AROUND 705 PM EDT...
SEASIDE HEIGHTS AND LAVALLETTE AROUND 710 PM EDT...


LAT...LON 3998 7404 3989 7408 3981 7407 3977 7408
      3977 7409 3967 7414 3960 7421 3956 7422
      3950 7430 3979 7483 4011 7421 4010 7415
      4014 7411 4009 7407 4010 7403
TIME...MOT...LOC 2256Z 252DEG 49KT 3968 7418

$$

NIERENBERG
603 
WWUS51 KPHI 132306
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
706 PM EDT THU JUN 13 2013

NJC005-029-132317-
/O.CAN.KPHI.SV.W.0029.000000T0000Z-130613T2315Z/
BURLINGTON NJ-OCEAN NJ-
706 PM EDT THU JUN 13 2013

...THE SEVERE THUNDERSTORM WARNING FOR OCEAN AND SOUTHERN BURLINGTON
COUNTIES IS CANCELLED...

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

LAT...LON 3998 7404 3989 7408 3981 7407 3977 7408
      3977 7409 3967 7414 3960 7421 3956 7422
      3950 7430 3979 7483 4011 7421 4010 7415
      4014 7411 4009 7407 4010 7403
TIME...MOT...LOC 2307Z 252DEG 49KT 3972 7399

$$


NIERENBERG
FORECASTER:

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 9:18 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem57 min
Jun 13, 9:47 AM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more58 min
Jun 13, 9:58 AM EDTSpecial Marine WarningPHI62 min
Jun 13, 10:03 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more57 min
Jun 13, 10:26 AM EDTSpecial Marine WarningPHI94 min
Jun 13, 10:43 AM EDTSpecial Marine WarningPHI2 hr
Jun 13, 10:50 AM EDTSevere Thunderstorm WarningPHICape May55 min
Jun 13, 10:58 AM EDTSpecial Marine WarningPHI62 min
Jun 13, 11:01 AM EDTSpecial Weather StatementPHIOcean29 min
Jun 13, 11:27 AM EDTSpecial Marine WarningPHI63 min
Jun 13, 4:46 PM EDTSpecial Marine WarningPHI59 min
Jun 13, 4:56 PM EDTSpecial Marine WarningPHI64 min
Jun 13, 5:26 PM EDTSpecial Weather StatementPHICumberland64 min
Jun 13, 5:27 PM EDTAreal Flood AdvisoryPHIAtlantic, Cape May, Cumberland, Salem4 hr
Jun 13, 5:38 PM EDTSpecial Weather StatementPHIAtlantic67 min
Jun 13, 5:40 PM EDTSpecial Marine WarningPHI65 min
Jun 13, 5:47 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem58 min
Jun 13, 5:51 PM EDTSpecial Marine WarningPHI54 min
Jun 13, 5:56 PM EDTSpecial Marine WarningPHI64 min
Jun 13, 6:31 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Gloucester, Ocean4 hr
Jun 13, 6:40 PM EDTSpecial Marine WarningPHI95 min
Jun 13, 7:50 PM EDTAreal Flood AdvisoryPHIMercer, Middlesex, Monmouth, Somerset4 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.