Alert archive / New Jersey / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 42, NWS Philadelphia/Mount Holly

June 24, 2013Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 24, 2013, 9:04 PM EDT for Burlington County, Ocean County, New Jersey. It was in force for 56 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 24, 2013, 9:04 PM EDT (01:04 UTC)
Expired
Jun 24, 2013, 10:00 PM EDT
In force
56 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 23 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 1.1 hours before the alert went out and 168 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 2013-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1608 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 2013-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
1608 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
-3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

082 
WUUS51 KPHI 250104
SVRPHI
NJC005-029-250200-
/O.NEW.KPHI.SV.W.0042.130625T0104Z-130625T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
904 PM EDT MON JUN 24 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1000 PM EDT

* AT 902 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM. THE STORM WAS NEAR SHAMONG...MOVING EAST AT 30
  MPH. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
  60 MPH. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CHATSWORTH AROUND 915 PM EDT...
  PENN STATE FOREST AROUND 925 PM EDT...
  WARREN GROVE AROUND 935 PM EDT...
  BROOKVILLE AROUND 940 PM EDT...
  BARNEGAT AND BEACH HAVEN WEST AROUND 950 PM EDT...
  SURF CITY AROUND 955 PM EDT...

LAT...LON 3986 7411 3978 7418 3975 7418 3972 7415
      3977 7415 3981 7412 3981 7411 3969 7412
      3965 7416 3972 7472 3973 7473 3983 7471
      3987 7412 3985 7409
TIME...MOT...LOC 0104Z 273DEG 26KT 3977 7465

$$

FORECASTER:JJM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 8:40 PM EDTSevere Thunderstorm WarningPHIBurlington35 min
Jun 24, 8:56 PM EDTSpecial Weather StatementPHIBurlington, Ocean64 min
Jun 24, 9:15 PM EDTSpecial Marine WarningPHI2 hr
Jun 25, 3:26 PM EDTHeat AdvisoryPHIBurlington, Camden, Gloucester, Mercer20 hr
Jun 25, 3:30 PM EDTSpecial Weather StatementPHISomerset60 min
Jun 25, 3:36 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Warren54 min
Jun 25, 4:32 PM EDTSpecial Weather StatementPHIMiddlesex58 min
Jun 25, 4:37 PM EDTSpecial Weather StatementPHICamden, Gloucester, Salem53 min
Jun 25, 4:49 PM EDTSevere Thunderstorm WarningPHICamden26 min
Jun 25, 4:58 PM EDTSpecial Weather StatementPHIBurlington, Ocean62 min
Jun 25, 5:25 PM EDTSpecial Weather StatementPHIAtlantic, Camden, Cumberland, Gloucester, Salem65 min
Jun 25, 5:48 PM EDTSevere Thunderstorm WarningPHIAtlantic57 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.