Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 140, NWS Philadelphia/Mount Holly

July 16, 20244 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 16, 2024, 9:07 PM EDT for 4 counties in New Jersey. It was in force for 68 min. 2 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
Jul 16, 2024, 9:07 PM EDT (01:07 UTC)
Expired
Jul 16, 2024, 10:15 PM EDT
In force
68 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 01:09 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
Jul 16, 10:08 PM EDTTSTM WND DMGWest Long Branch, NJTrees down. Time estimated from radar.
Jul 16, 10:14 PM EDTTSTM WND DMG1 Ese Ocean Twp., NJTree limbs fell onto a vehicle on Berkley Avenue in Ocean Township. Time estimated.

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
Jul 16, 3:36 PM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 1.1 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 2024-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 598 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 2024-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
598 J/kg
Mixed-layer CIN
-198 J/kg
Mixed-layer LCL
1518 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

945 
WUUS51 KPHI 170107
SVRPHI
NJC021-023-025-035-170215-
/O.NEW.KPHI.SV.W.0140.240717T0107Z-240717T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
907 PM EDT Tue Jul 16 2024

The National Weather Service in Mount Holly NJ has issued a

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

* Until 1015 PM EDT.

* At 907 PM EDT, a severe thunderstorm was located over Kingston, or
  10 miles southwest of New Brunswick, 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, Long Branch, Asbury Park, Sandy Hook,
  Somerset, Edison, Middletown, Old Bridge, East Brunswick, South
  Brunswick, Sayreville, North Brunswick, Marlboro, Manalapan, Tinton
  Falls, Holmdel, Princeton, Red Bank, and Keansburg.

This includes the following highways...
 New Jersey Turnpike between exits 8A and 12.
 Interstate 295 in New Jersey between mile markers 65 and 67.
 Interstate 287 in New Jersey between mile markers 0 and 2.
 Garden State Parkway between mile markers 102 and 129.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4022 7398 4023 7470 4050 7471 4055 7425
      4050 7426 4050 7428 4046 7426 4044 7420
      4046 7418 4045 7413 4042 7405 4041 7398
      4048 7402 4048 7401 4043 7397
TIME...MOT...LOC 0107Z 267DEG 25KT 4038 7458 

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

$$

Staarmann
2 follow-up statements
373 
WWUS51 KPHI 170133
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
933 PM EDT Tue Jul 16 2024

NJC021-035-170143-
/O.CAN.KPHI.SV.W.0140.000000T0000Z-240717T0215Z/
Mercer NJ-Somerset NJ-
933 PM EDT Tue Jul 16 2024

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MERCER AND
SOUTHERN SOMERSET COUNTIES 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 1000 PM EDT for
central and northern New Jersey.

LAT...LON 4022 7398 4023 7451 4024 7448 4028 7449
      4046 7441 4047 7427 4044 7420 4046 7418
      4041 7403 4041 7398 4048 7402 4048 7401
      4043 7397
TIME...MOT...LOC 0133Z 267DEG 27KT 4037 7427 

$$

NJC023-025-170215-
/O.CON.KPHI.SV.W.0140.000000T0000Z-240717T0215Z/
Monmouth NJ-Middlesex NJ-
933 PM EDT Tue Jul 16 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR NORTHERN MONMOUTH AND SOUTHEASTERN MIDDLESEX COUNTIES...

At 933 PM EDT, a severe thunderstorm was located over Morganville, or
10 miles south of 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...
Long Branch, Asbury Park, Sandy Hook, Middletown, Old Bridge, East
Brunswick, Sayreville, Marlboro, Manalapan, Tinton Falls, Holmdel,
Red Bank, Matawan, Jamesburg, Highlands, Roosevelt, Brownville, East
Freehold, West Freehold, and Yorketown.

This includes Garden State Parkway between mile markers 102 and 124.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4022 7398 4023 7451 4024 7448 4028 7449
      4046 7441 4047 7427 4044 7420 4046 7418
      4041 7403 4041 7398 4048 7402 4048 7401
      4043 7397
TIME...MOT...LOC 0133Z 267DEG 27KT 4037 7427 

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

$$

Staarmann
014 
WWUS51 KPHI 170206
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1006 PM EDT Tue Jul 16 2024

NJC023-025-170216-
/O.EXP.KPHI.SV.W.0140.000000T0000Z-240717T0215Z/
Monmouth NJ-Middlesex NJ-
1006 PM EDT Tue Jul 16 2024

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MONMOUTH AND
SOUTHEASTERN MIDDLESEX COUNTIES WILL EXPIRE AT 1015 PM EDT...

The storm which prompted the warning has weakened below severe 
limits, and has exited the warned area offshore. Therefore, the 
warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
northern and central 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 4022 7398 4023 7451 4024 7448 4028 7449
      4046 7441 4047 7427 4044 7420 4046 7418
      4041 7403 4041 7398 4048 7402 4048 7401
      4043 7397
TIME...MOT...LOC 0206Z 267DEG 25KT 4038 7399 

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 8:13 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset62 min
Jul 16, 8:23 PM EDTSevere Thunderstorm WarningPHIMercer, Salem67 min
Jul 16, 8:50 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Mercer, Monmouth and 1 more55 min
Jul 16, 9:04 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem56 min
Jul 16, 9:05 PM EDTSpecial Marine WarningPHI115 min
Jul 16, 9:10 PM EDTSpecial Marine WarningPHI2 hr
Jul 16, 9:49 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more71 min
Jul 16, 9:53 PM EDTSpecial Marine WarningPHI2 hr
Jul 16, 10:50 PM EDTSpecial Marine WarningPHI115 min
Jul 16, 10:58 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland, Gloucester, Salem62 min
Jul 17, 12:00 AM EDTSpecial Marine WarningPHI90 min
Jul 17, 1:28 AM EDTSpecial Marine WarningPHI62 min
Jul 17, 3:04 AM EDTSmall Craft AdvisoryPHI33 hr
Jul 17, 2:25 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren65 min
Jul 17, 3:05 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester39 min
Jul 17, 3:13 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren62 min
Jul 17, 6:40 PM EDTSevere Thunderstorm WarningPHIWarren65 min
Jul 17, 7:06 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren54 min
Jul 17, 7:18 PM EDTFlash Flood WarningPHISussex, Warren2 hr

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.