Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 169, NWS Philadelphia/Mount Holly

August 2, 20245 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 2, 2024, 6:19 PM EDT for 5 counties in New Jersey. It was in force for 39 min. 3 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
Aug 2, 2024, 6:19 PM EDT (22:19 UTC)
Expired
Aug 2, 2024, 6:58 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), 31 km from the middle of the area, began a volume at 22:20 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
Aug 2, 6:22 PM EDTTSTM WND DMGAllentown, NJReport of trees and wires down around Allentown. Time estimated from radar.
Aug 2, 6:32 PM EDTTSTM WND DMG1 Wnw Imlaystown, NJTrees and wires down around Upper Freehold, NJ.
Aug 2, 6:41 PM EDTTSTM WND DMG1 Sse Perrineville, NJReport of trees and wires down around Millstone Township in Monmouth County. 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
Aug 2, 4:07 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.3 hours before the alert went out and 141 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 2024-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1134 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 2024-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939Sfc1 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
1134 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

446 
WUUS51 KPHI 022219
SVRPHI
NJC005-021-023-025-029-022315-
/O.NEW.KPHI.SV.W.0169.240802T2219Z-240802T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
619 PM EDT Fri Aug 2 2024

The National Weather Service in Mount Holly NJ has issued a

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

* Until 715 PM EDT.

* At 618 PM EDT, severe thunderstorms were located along a line
  extending from Jamesburg to near Roosevelt to Georgetown, moving
  southeast at 15 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Toms River, Long Branch, Asbury Park, Lakewood, Middletown, Old
  Bridge, Jackson, Howell, East Brunswick, Marlboro, Manalapan,
  Tinton Falls, Holmdel, Red Bank, Matawan, Jamesburg, Manasquan,
  Hightstown, Point Pleasant Beach, and Cranbury.

This includes the following highways...
 New Jersey Turnpike between exits 8 and 9.
 Interstate 195 in New Jersey between mile markers 5 and 34.
 Garden State Parkway between mile markers 84 and 117.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4038 7393 3996 7402 3999 7430 4007 7471
      4024 7463 4045 7451
TIME...MOT...LOC 2218Z 306DEG 14KT 4035 7447 4021 7451 4009 7467 

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

$$

Hoeflich
2 follow-up statements
605 
WWUS51 KPHI 022242
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
642 PM EDT Fri Aug 2 2024

NJC005-021-022251-
/O.CAN.KPHI.SV.W.0169.000000T0000Z-240802T2315Z/
Mercer NJ-Burlington NJ-
642 PM EDT Fri Aug 2 2024

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MERCER AND
NORTHEASTERN BURLINGTON 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
southern, northern and central New Jersey.

LAT...LON 4038 7393 4004 7400 3996 7403 3999 7430
      4004 7453 4012 7458 4019 7449 4043 7435
TIME...MOT...LOC 2241Z 306DEG 14KT 4030 7438 4016 7442 4004 7458 

$$

NJC023-025-029-022315-
/O.CON.KPHI.SV.W.0169.000000T0000Z-240802T2315Z/
Ocean NJ-Monmouth NJ-Middlesex NJ-
642 PM EDT Fri Aug 2 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTHERN OCEAN...MONMOUTH AND SOUTHEASTERN MIDDLESEX COUNTIES...

At 641 PM EDT, severe thunderstorms were located along a line
extending from near Yorketown to Six Flags Theme Park to near
Wrightstown, moving southeast at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Toms River, Long Branch, Asbury Park, Lakewood, Middletown, Old
Bridge, Jackson, Howell, Marlboro, Manalapan, Tinton Falls, Holmdel,
Red Bank, Matawan, Manasquan, Point Pleasant Beach, Lakehurst,
Farmingdale, Roosevelt, and Mantoloking.

This includes the following highways...
 Interstate 195 in New Jersey between mile markers 13 and 34.
 Garden State Parkway between mile markers 84 and 117.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4038 7393 4004 7400 3996 7403 3999 7430
      4004 7453 4012 7458 4019 7449 4043 7435
TIME...MOT...LOC 2241Z 306DEG 14KT 4030 7438 4016 7442 4004 7458 

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

$$

Hoeflich
066 
WWUS51 KPHI 022258
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
658 PM EDT Fri Aug 2 2024

NJC023-025-029-022308-
/O.CAN.KPHI.SV.W.0169.000000T0000Z-240802T2315Z/
Ocean NJ-Monmouth NJ-Middlesex NJ-
658 PM EDT Fri Aug 2 2024

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN OCEAN...MONMOUTH AND
SOUTHEASTERN MIDDLESEX COUNTIES IS CANCELLED...

The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern, 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 4038 7393 4004 7400 3996 7403 3999 7430
      4004 7453 4012 7458 4019 7449 4043 7435
TIME...MOT...LOC 2257Z 306DEG 14KT 4026 7431 4012 7435 4000 7451 

$$

Hoeflich

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 4:17 AM EDTExcessive Heat WarningPHIBurlington, Camden, Cumberland, Gloucester, Mercer, Middlesex and 3 more16 hr
Aug 2, 3:27 PM EDTSmall Craft AdvisoryPHI36 hr
Aug 2, 4:26 PM EDTSpecial Marine WarningPHI2 hr
Aug 2, 4:32 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem24 min
Aug 2, 5:51 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Mercer39 min
Aug 2, 6:22 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean83 min
Aug 2, 6:30 PM EDTSpecial Marine WarningPHI66 min
Aug 2, 6:38 PM EDTSpecial Marine WarningPHI83 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.