Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 29, NWS Philadelphia/Mount Holly

June 14, 20245 counties in New Jersey; Bucks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2024, 5:23 PM EDT for 5 counties in New Jersey; Bucks County, Pennsylvania. It was in force for 52 min. 8 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, 5:23 PM EDT (21:23 UTC)
Expired
Jun 14, 2024, 6:15 PM EDT
In force
52 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hunterdon County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ, Warren County, NJ, Bucks County, PA

The radar

The Philadelphia radar (KDIX), 68 km from the middle of the area, began a volume at 21:23 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, 5:37 PM EDTTSTM WND DMGTewksbury Twp, NJSeveral trees and wires down around Tewksbury. Time estimated from radar.
Jun 14, 5:39 PM EDTTSTM WND DMGReadington, NJReport of trees and wires down around Readington Township, NJ. Time estimated from radar.
Jun 14, 5:50 PM EDTTSTM WND DMGFar Hills, NJTrees down in Far Hills. NJ. Time estimated from radar.
Jun 14, 5:53 PM EDTTSTM WND GST 393 Nw Bridgewater, NJASOS station KSMQ Somerville.
Jun 14, 5:54 PM EDTTSTM WND DMGBridgewater, NJTrees down around Bridgewater. Time estimated from radar.
Jun 14, 6:00 PM EDTTSTM WND DMGMontgomery Twp, NJTrees down in Montgomery Township. Time estimated from radar.
Jun 14, 6:01 PM EDTTSTM WND DMG1 S Manville, NJTrees down in Manville. Time estimated from radar.
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.

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, 9.4 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, 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°0°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.

216 
WUUS51 KPHI 142123
SVRPHI
NJC019-023-027-035-041-PAC017-142215-
/O.NEW.KPHI.SV.W.0029.240614T2123Z-240614T2215Z/

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

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Hunterdon County in northwestern New Jersey...
  Southern Morris County in northern New Jersey...
  South central Warren County in northwestern New Jersey...
  Somerset County in northern New Jersey...
  Middlesex County in northern New Jersey...
  North central Bucks County in southeastern Pennsylvania...

* Until 615 PM EDT.

* At 523 PM EDT, severe thunderstorms were located along a line
  extending from near Washington to near Erwinna, moving east at 50
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  New Brunswick, Perth Amboy, Morristown, Somerville, Somerset,
  Edison, Old Bridge, East Brunswick, Bridgewater, South Brunswick,
  Sayreville, North Brunswick, Carteret, Madison, Middlesex, Bound
  Brook, Manville, Chatham, Matawan, and Washington.

This includes the following highways...
 New Jersey Turnpike between exits 10 and 12.
 Interstate 78 in New Jersey between mile markers 9 and 42.
 Interstate 287 in New Jersey between mile markers 0 and 35.
 Garden State Parkway between mile markers 121 and 133.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4055 7425 4050 7426 4050 7428 4045 7422
      4034 7433 4040 7474 4042 7475 4041 7481
      4045 7504 4053 7517 4080 7493 4078 7440
      4074 7437 4067 7446 4065 7441 4060 7446
      4059 7421 4056 7421
TIME...MOT...LOC 2123Z 274DEG 42KT 4076 7492 4053 7510 

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

$$

Hoeflich
2 follow-up statements
463 
WWUS51 KPHI 142159
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
559 PM EDT Fri Jun 14 2024

NJC019-041-PAC017-142209-
/O.CAN.KPHI.SV.W.0029.000000T0000Z-240614T2215Z/
Hunterdon NJ-Warren NJ-Bucks PA-
559 PM EDT Fri Jun 14 2024

...THE SEVERE THUNDERSTORM WARNING FOR HUNTERDON...SOUTH CENTRAL
WARREN AND NORTH CENTRAL BUCKS COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central, northern and northwestern New Jersey.

LAT...LON 4055 7425 4050 7426 4050 7428 4045 7422
      4034 7433 4040 7474 4051 7480 4051 7477
      4058 7471 4064 7472 4079 7462 4078 7440
      4074 7437 4067 7446 4065 7441 4060 7446
      4059 7421 4056 7421
TIME...MOT...LOC 2159Z 279DEG 27KT 4077 7457 4044 7478 

$$

NJC023-027-035-142215-
/O.CON.KPHI.SV.W.0029.000000T0000Z-240614T2215Z/
Morris NJ-Somerset NJ-Middlesex NJ-
559 PM EDT Fri Jun 14 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SOUTHEASTERN MORRIS...SOMERSET AND MIDDLESEX COUNTIES...

At 559 PM EDT, severe thunderstorms were located along a line
extending from Mendham to near Cloverhill, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
New Brunswick, Perth Amboy, Morristown, Somerville, Somerset, Edison,
Old Bridge, East Brunswick, Bridgewater, South Brunswick, Sayreville,
North Brunswick, Carteret, Madison, Middlesex, Bound Brook, Manville,
Chatham, Matawan, and Jamesburg.

This includes the following highways...
 New Jersey Turnpike between exits 10 and 12.
 Interstate 78 in New Jersey between mile markers 28 and 42.
 Interstate 287 in New Jersey between mile markers 0 and 35.
 Garden State Parkway between mile markers 121 and 133.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4055 7425 4050 7426 4050 7428 4045 7422
      4034 7433 4040 7474 4051 7480 4051 7477
      4058 7471 4064 7472 4079 7462 4078 7440
      4074 7437 4067 7446 4065 7441 4060 7446
      4059 7421 4056 7421
TIME...MOT...LOC 2159Z 279DEG 27KT 4077 7457 4044 7478 

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

$$

Hoeflich
438 
WWUS51 KPHI 142210
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
610 PM EDT Fri Jun 14 2024

NJC023-027-035-142219-
/O.EXP.KPHI.SV.W.0029.000000T0000Z-240614T2215Z/
Morris NJ-Somerset NJ-Middlesex NJ-
610 PM EDT Fri Jun 14 2024

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORRIS...SOMERSET
AND MIDDLESEX COUNTIES WILL EXPIRE AT 615 PM EDT...

The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central, northern and northwestern New Jersey.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 4055 7425 4050 7426 4050 7428 4045 7422
      4034 7433 4040 7474 4051 7480 4051 7477
      4058 7471 4064 7472 4079 7462 4078 7440
      4074 7437 4067 7446 4065 7441 4060 7446
      4059 7421 4056 7421
TIME...MOT...LOC 2209Z 274DEG 42KT 4076 7441 4043 7462 

$$

Hoeflich

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, 5:37 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Hunterdon, Mercer38 min
Jun 14, 5:51 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean39 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
Jun 14, 4:37 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh38 min
Jun 14, 5:07 PM EDTFlash Flood WarningPHIChester4 hr
Jun 14, 5:17 PM EDTSevere Thunderstorm WarningPHIDelaware, Montgomery, Philadelphia43 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2024Severe Thunderstorm Warnings in Pennsylvania, 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.