Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 63, NWS Philadelphia/Mount Holly

June 26, 2024Middlesex County, Monmouth County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 2024, 8:13 PM EDT for Middlesex County, Monmouth County, Somerset County, New Jersey. It was in force for 28 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 26, 2024, 8:13 PM EDT (00:13 UTC)
Expired
Jun 26, 2024, 8:41 PM EDT
In force
28 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Middlesex County, NJ, Monmouth County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 00:13 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 26, 6:19 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.2 hours before the alert went out and 122 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 2024-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 760 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 2024-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
760 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1059 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

040 
WUUS51 KPHI 270013
SVRPHI
NJC023-025-035-270100-
/O.NEW.KPHI.SV.W.0063.240627T0013Z-240627T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
813 PM EDT Wed Jun 26 2024

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central Somerset County in northern New Jersey...
  Northeastern Monmouth County in central New Jersey...
  Northeastern Middlesex County in northern New Jersey...

* Until 900 PM EDT.

* At 813 PM EDT, a severe thunderstorm was located over Bound Brook,
  or near Somerville, 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, Somerville, Somerset, Edison, East
  Brunswick, Sayreville, Carteret, Middlesex, Bound Brook, Manville,
  Keansburg, Millstone, Colonia, Martinsville, Society Hill, North
  Brunswick Township, Woodbridge, South Plainfield, and North
  Plainfield.

This includes the following highways...
 New Jersey Turnpike between exits 10 and 13.
 Interstate 78 in New Jersey between mile markers 36 and 41.
 Interstate 287 in New Jersey between mile markers 0 and 18.
 Garden State Parkway between mile markers 123 and 134.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4046 7401 4045 7413 4044 7410 4046 7462
      4064 7463 4066 7440 4060 7446 4060 7421
      4056 7421 4055 7425 4050 7426 4050 7428
      4046 7426 4045 7421 4046 7418 4048 7401
      4044 7398
TIME...MOT...LOC 0013Z 268DEG 27KT 4056 7453 

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

$$

RCM
2 follow-up statements
728 
WWUS51 KPHI 270032
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
832 PM EDT Wed Jun 26 2024

NJC035-270042-
/O.CAN.KPHI.SV.W.0063.000000T0000Z-240627T0100Z/
Somerset NJ-
832 PM EDT Wed Jun 26 2024

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SOMERSET COUNTY IS
CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until midnight EDT for
northern and central New Jersey.

LAT...LON 4044 7398 4046 7401 4047 7401 4045 7413
      4044 7410 4045 7420 4046 7447 4060 7446
      4060 7421 4056 7421 4055 7425 4050 7426
      4050 7428 4046 7426 4045 7419 4048 7401
TIME...MOT...LOC 0032Z 268DEG 27KT 4056 7434 

$$

NJC023-025-270100-
/O.CON.KPHI.SV.W.0063.000000T0000Z-240627T0100Z/
Monmouth NJ-Middlesex NJ-
832 PM EDT Wed Jun 26 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHEASTERN MONMOUTH AND NORTHEASTERN MIDDLESEX COUNTIES...

At 832 PM EDT, a severe thunderstorm was located over Colonia, or
near Perth Amboy, 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, Somerset, Edison, East Brunswick,
Sayreville, Carteret, Keansburg, Colonia, Society Hill, North
Brunswick Township, Woodbridge, South Plainfield, South River,
Highland Park, Metuchen, Milltown, Iselin, Sewaren, and Port Reading.

This includes the following highways...
 New Jersey Turnpike between exits 10 and 13.
 Interstate 287 in New Jersey between mile markers 0 and 7.
 Garden State Parkway between mile markers 123 and 134.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4044 7398 4046 7401 4047 7401 4045 7413
      4044 7410 4045 7420 4046 7447 4060 7446
      4060 7421 4056 7421 4055 7425 4050 7426
      4050 7428 4046 7426 4045 7419 4048 7401
TIME...MOT...LOC 0032Z 268DEG 27KT 4056 7434 

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

$$

RCM
717 
WWUS51 KPHI 270041
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
841 PM EDT Wed Jun 26 2024

NJC023-025-270051-
/O.CAN.KPHI.SV.W.0063.000000T0000Z-240627T0100Z/
Monmouth NJ-Middlesex NJ-
841 PM EDT Wed Jun 26 2024

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MONMOUTH AND
NORTHEASTERN MIDDLESEX COUNTIES IS CANCELLED...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight EDT for
northern and central New Jersey.

LAT...LON 4044 7398 4046 7401 4047 7401 4045 7413
      4044 7410 4045 7420 4046 7447 4060 7446
      4060 7421 4056 7421 4055 7425 4050 7426
      4050 7428 4046 7426 4045 7419 4048 7401
TIME...MOT...LOC 0039Z 268DEG 27KT 4056 7425 

$$

RCM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 10:51 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer39 min
Jun 26, 11:01 PM EDTSpecial Marine WarningPHI59 min
Jun 26, 11:04 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden41 min
Jun 26, 11:38 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean52 min
Jun 26, 11:49 PM EDTSpecial Marine WarningPHI56 min
Jun 26, 11:51 PM EDTSpecial Marine WarningPHI54 min
Jun 27, 12:15 AM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean24 min
Jun 27, 12:16 AM EDTSpecial Marine WarningPHI59 min
Jun 27, 12:37 AM EDTSpecial Marine WarningPHI53 min
Jun 27, 1:12 AM EDTSpecial Marine WarningPHI47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.