Alert archive / New Jersey / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 24, NWS Philadelphia/Mount Holly

April 14, 20224 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 14, 2022, 5:32 PM EDT for 4 counties in New Jersey. It was in force for 43 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
Apr 14, 2022, 5:32 PM EDT (21:32 UTC)
Expired
Apr 14, 2022, 6:15 PM EDT
In force
43 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 53 km from the middle of the area, began a volume at 21:36 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.5 hours before the alert went out and 289 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, Wallops Is Stn, VA at 12:00Z on 2022-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Wallops Is Stn, VA at 12:00Z on 2022-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

378 
WUUS51 KPHI 142132
SVRPHI
NJC019-021-023-035-142215-
/O.NEW.KPHI.SV.W.0024.220414T2132Z-220414T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
532 PM EDT Thu Apr 14 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southeastern Hunterdon County in northwestern New Jersey...
  Mercer County in central New Jersey...
  Southern Somerset County in northern New Jersey...
  Middlesex County in northern New Jersey...

* Until 615 PM EDT.

* At 532 PM EDT, a severe thunderstorm was located over Princeton, or
  10 miles northeast of Trenton, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Trenton, New Brunswick, Perth Amboy, Somerset, Edison, Old Bridge,
  East Brunswick, South Brunswick, Sayreville, North Brunswick,
  Ewing, Middlesex, Princeton, Bound Brook, Manville, Jamesburg,
  Cranbury, Pennington, Hopewell and Rocky Hill.

This includes the following highways...
 New Jersey Turnpike between exits 9 and 12.
 Interstate 295 in New Jersey between mile markers 64 and 76.
 Interstate 287 in New Jersey between mile markers 0 and 12.
 Garden State Parkway between mile markers 121 and 132.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to damaging winds, 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.

&&

LAT...LON 4043 7425 4020 7476 4022 7478 4023 7481
      4037 7495 4060 7445 4060 7437 4055 7425
      4050 7426 4050 7428 4046 7426 4045 7423
TIME...MOT...LOC 2132Z 253DEG 33KT 4034 7463 

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

$$

Gorse
2 follow-up statements
395 
WWUS51 KPHI 142200
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
600 PM EDT Thu Apr 14 2022

NJC019-142210-
/O.CAN.KPHI.SV.W.0024.000000T0000Z-220414T2215Z/
Hunterdon NJ-
600 PM EDT Thu Apr 14 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUNTERDON 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 4043 7425 4024 7468 4031 7473 4046 7466
      4057 7452 4060 7445 4060 7437 4055 7425
      4050 7426 4050 7428 4046 7426 4045 7423
TIME...MOT...LOC 2200Z 252DEG 31KT 4041 7434 

$$

NJC021-023-035-142215-
/O.CON.KPHI.SV.W.0024.000000T0000Z-220414T2215Z/
Mercer NJ-Somerset NJ-Middlesex NJ-
600 PM EDT Thu Apr 14 2022

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

At 600 PM EDT, a severe thunderstorm was located over Old Bridge, or
7 miles southeast of New Brunswick, moving east at 35 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, Old Bridge, East
Brunswick, South Brunswick, Sayreville, North Brunswick, Middlesex,
Princeton, Bound Brook, Jamesburg, Cranbury, Rocky Hill, Millstone,
Princeton Meadows, Kingston, Dayton and Plainsboro Center.

This includes the following highways...
 New Jersey Turnpike between exits 9 and 12.
 Interstate 295 in New Jersey between mile markers 66 and 68.
 Interstate 287 in New Jersey between mile markers 0 and 12.
 Garden State Parkway between mile markers 121 and 132.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4043 7425 4024 7468 4031 7473 4046 7466
      4057 7452 4060 7445 4060 7437 4055 7425
      4050 7426 4050 7428 4046 7426 4045 7423
TIME...MOT...LOC 2200Z 252DEG 31KT 4041 7434 

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

$$

BAH
115 
WWUS51 KPHI 142212
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
612 PM EDT Thu Apr 14 2022

NJC021-023-035-142222-
/O.EXP.KPHI.SV.W.0024.000000T0000Z-220414T2215Z/
Mercer NJ-Somerset NJ-Middlesex NJ-
612 PM EDT Thu Apr 14 2022

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MERCER...SOUTHEASTERN
SOMERSET AND MIDDLESEX COUNTIES WILL EXPIRE AT 615 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

LAT...LON 4043 7425 4024 7468 4031 7473 4046 7466
      4057 7452 4060 7445 4060 7437 4055 7425
      4050 7426 4050 7428 4046 7426 4045 7423
TIME...MOT...LOC 2212Z 253DEG 33KT 4044 7422 

$$

BAH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 3:28 PM EDTSpecial Weather StatementPHIWarren32 min
Apr 14, 4:10 PM EDTSpecial Weather StatementPHIMorris35 min
Apr 14, 4:16 PM EDTSevere Thunderstorm WarningPHIMorris44 min
Apr 14, 4:42 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem48 min
Apr 14, 5:19 PM EDTSpecial Marine WarningPHI56 min
Apr 14, 5:30 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester45 min
Apr 14, 5:46 PM EDTSpecial Marine WarningPHI59 min
Apr 14, 5:56 PM EDTSpecial Marine WarningPHI52 min
Apr 14, 5:59 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean46 min
Apr 14, 6:10 PM EDTSpecial Marine WarningPHI20 min
Apr 14, 6:35 PM EDTSpecial Marine WarningPHI27 min

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.