Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 31, NWS Philadelphia/Mount Holly

June 14, 20245 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2024, 5:51 PM EDT for 5 counties in New Jersey. It was in force for 39 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 14, 2024, 5:51 PM EDT (21:51 UTC)
Expired
Jun 14, 2024, 6:30 PM EDT
In force
39 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 27 km from the middle of the area, began a volume at 21:50 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 14, 6:01 PM EDTTSTM WND DMG1 Ssw Heathcote, NJDowned tree on US 1 southbound South of Raymond Rd (South Brunswick Twp). Right shoulder closed. Time estimated from radar.
Jun 14, 6:20 PM EDTTSTM WND GST 60Columbus Njwxnet, NJNJWxNet measured gust at Columbus.
Jun 14, 6:28 PM EDTTSTM WND DMG6 W Jackson, NJTrees down in area of Jackson. Time estimated from radar.
Jun 14, 6:36 PM EDTTSTM WND DMGFreehold, NJSeveral trees and wires down around Freehold. Time estimated from radar.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 14, 4:57 PM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 158 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 12:00Z on 2024-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 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 12:00Z on 2024-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 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
61 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
969 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

896 
WUUS51 KPHI 142151
SVRPHI
NJC005-021-023-025-029-142230-
/O.NEW.KPHI.SV.W.0031.240614T2151Z-240614T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
551 PM EDT Fri Jun 14 2024

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Ocean County in southern New Jersey...
  Eastern Mercer County in central New Jersey...
  Northeastern Burlington County in southern New Jersey...
  Western Monmouth County in central New Jersey...
  Southern Middlesex County in northern New Jersey...

* Until 630 PM EDT.

* At 550 PM EDT, a cluster of severe thunderstorms was located over 
  Crosswicks, or near Trenton, moving east at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Old Bridge, Jackson, East Brunswick, Marlboro, Manalapan,
  Princeton, Mount Holly, Jamesburg, Hightstown, Bordentown,
  Cranbury, Presidential Lakes Estates, Lakehurst, Allentown,
  Pemberton, Roosevelt, Wrightstown, East Freehold, Six Flags Theme
  Park, and Jacksonville.

This includes the following highways...
 New Jersey Turnpike between exits 7 and 9.
 Interstate 195 in New Jersey between mile markers 1 and 25.
 Interstate 295 in New Jersey between mile markers 54 and 58.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3985 7435 3999 7479 4039 7463 4037 7461
      4040 7458 4039 7419
TIME...MOT...LOC 2150Z 259DEG 16KT 4018 7466 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

AKL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 4:14 PM EDTSevere Thunderstorm WarningPHISussex, Warren46 min
Jun 14, 4:40 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren50 min
Jun 14, 5:02 PM EDTSevere Thunderstorm WarningPHISussex43 min
Jun 14, 5:18 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren42 min
Jun 14, 5:23 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset, Warren52 min
Jun 14, 5:37 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Hunterdon, Mercer38 min
Jun 14, 5:56 PM EDTSpecial Marine WarningPHI64 min
Jun 14, 5:59 PM EDTFlash Flood WarningPHIBurlington4 hr
Jun 14, 6:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Somerset21 min
Jun 14, 6:18 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth, Somerset27 min
Jun 14, 6:24 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean51 min
Jun 14, 6:29 PM EDTSpecial Marine WarningPHI2 hr
Jun 14, 6:34 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland41 min
Jun 14, 6:40 PM EDTSpecial Marine WarningPHI65 min
Jun 14, 6:44 PM EDTFlash Flood WarningPHIBurlington, Mercer3 hr
Jun 14, 6:47 PM EDTSpecial Marine WarningPHI58 min
Jun 14, 7:03 PM EDTSpecial Marine WarningPHI87 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2024Every severe thunderstorm warning in 2024

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.