Alert archive / New Jersey / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 152, NWS Philadelphia/Mount Holly

August 4, 2022Mercer County, Middlesex County, Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 4, 2022, 9:39 PM EDT for Mercer County, Middlesex County, Monmouth County, New Jersey. It was in force for 51 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
Aug 4, 2022, 9:39 PM EDT (01:39 UTC)
Expired
Aug 4, 2022, 10:30 PM EDT
In force
51 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

The radar

The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 01:42 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 nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.7 hours before the alert went out and 273 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, Albany, NY at 00:00Z on 2022-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Albany, NY at 00:00Z on 2022-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -82 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
3 J/kg
Mixed-layer CIN
-341 J/kg
Mixed-layer LCL
1425 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-82 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

614 
WUUS51 KPHI 050139
SVRPHI
NJC021-023-025-050230-
/O.NEW.KPHI.SV.W.0152.220805T0139Z-220805T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
939 PM EDT Thu Aug 4 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  East central Mercer County in central New Jersey...
  Central Monmouth County in central New Jersey...
  Southwestern Middlesex County in northern New Jersey...

* Until 1030 PM EDT.

* At 939 PM EDT, a severe thunderstorm was located over Twin Rivers,
  or 13 miles south of New Brunswick, moving east at 5 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Old Bridge, Manalapan, Jamesburg, Hightstown, Cranbury, Roosevelt,
  Yorketown, Twin Rivers, Whittingham, West Freehold, Clearbrook
  Park, Morganville, Freehold, Spotswood, Helmetta, Englishtown,
  Concordia and Rossmoor.

This includes New Jersey Turnpike between exits 8A and 9.
 
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 4021 7452 4034 7454 4042 7432 4019 7427
TIME...MOT...LOC 0139Z 261DEG 5KT 4029 7448 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS
2 follow-up statements
438 
WWUS51 KPHI 050200
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1000 PM EDT Thu Aug 4 2022

NJC021-050210-
/O.CAN.KPHI.SV.W.0152.000000T0000Z-220805T0230Z/
Mercer NJ-
1000 PM EDT Thu Aug 4 2022

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MERCER COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4022 7447 4037 7446 4041 7435 4041 7432
      4019 7427 4020 7433
TIME...MOT...LOC 0200Z 273DEG 10KT 4031 7438 

$$

NJC023-025-050230-
/O.CON.KPHI.SV.W.0152.000000T0000Z-220805T0230Z/
Monmouth NJ-Middlesex NJ-
1000 PM EDT Thu Aug 4 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR CENTRAL MONMOUTH AND SOUTH CENTRAL MIDDLESEX COUNTIES...

At 1000 PM EDT, a severe thunderstorm was located over Yorketown, or
12 miles south of New Brunswick, moving east at 10 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Old Bridge, East Brunswick, Manalapan, Jamesburg, Roosevelt,
Yorketown, Whittingham, West Freehold, Clearbrook Park, Morganville,
Freehold, Spotswood, Helmetta, Englishtown and Concordia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4022 7447 4037 7446 4041 7435 4041 7432
      4019 7427 4020 7433
TIME...MOT...LOC 0200Z 273DEG 10KT 4031 7438 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS
963 
WWUS51 KPHI 050220
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1020 PM EDT Thu Aug 4 2022

NJC023-025-050230-
/O.EXP.KPHI.SV.W.0152.000000T0000Z-220805T0230Z/
Monmouth NJ-Middlesex NJ-
1020 PM EDT Thu Aug 4 2022

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONMOUTH AND SOUTH
CENTRAL MIDDLESEX COUNTIES WILL EXPIRE AT 1030 PM EDT...
                
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 will be allowed to expire.

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 7447 4037 7446 4041 7435 4041 7432
      4019 7427 4020 7433
TIME...MOT...LOC 0220Z 261DEG 5KT 4031 7434 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 8:09 PM EDTSpecial Weather StatementPHISomerset36 min
Aug 4, 8:17 PM EDTSpecial Weather StatementPHICumberland, Gloucester, Salem28 min
Aug 4, 8:25 PM EDTSpecial Marine WarningPHI95 min
Aug 4, 9:00 PM EDTSpecial Marine WarningPHI60 min
Aug 4, 9:06 PM EDTSpecial Weather StatementPHIMiddlesex24 min
Aug 4, 9:16 PM EDTSpecial Weather StatementPHIMiddlesex29 min
Aug 4, 9:44 PM EDTSpecial Weather StatementPHICape May, Cumberland31 min
Aug 4, 9:52 PM EDTSpecial Marine WarningPHI38 min
Aug 4, 10:25 PM EDTSpecial Weather StatementPHIMonmouth35 min
Aug 4, 11:36 PM EDTSpecial Marine WarningPHI21 min
Aug 5, 12:13 PM EDTSpecial Marine WarningPHI62 min
Aug 5, 1:54 PM EDTSpecial Marine WarningPHI37 min
Aug 5, 3:05 PM EDTSpecial Marine WarningPHI42 min
Aug 5, 3:23 PM EDTSpecial Marine WarningPHI67 min
Aug 5, 5:06 PM EDTSpecial Weather StatementPHIMonmouth24 min
Aug 5, 5:43 PM EDTSpecial Weather StatementPHIOcean32 min
Aug 5, 6:02 PM EDTAreal Flood AdvisoryPHIMonmouth, Ocean47 min
Aug 5, 6:18 PM EDTSpecial Weather StatementPHIMonmouth27 min
Aug 5, 6:26 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean49 min
Aug 5, 6:47 PM EDTFlash Flood WarningPHIMonmouth, Ocean3 hr
Aug 5, 7:06 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean54 min
Aug 5, 7:34 PM EDTFlash Flood WarningPHIBurlington, Ocean3 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2022Every severe thunderstorm warning in 2022

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.