Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 42, NWS Philadelphia/Mount Holly

June 22, 2024Hunterdon County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 22, 2024, 7:57 PM EDT for Hunterdon County, New Jersey. It was in force for 17 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
Jun 22, 2024, 7:57 PM EDT (23:57 UTC)
Expired
Jun 22, 2024, 8:14 PM EDT
In force
17 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Hunterdon County, NJ

The radar

The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 23:55 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
Jun 22, 8:03 PM EDTTSTM WND DMG2 Sw Mcpherson, NJTree down into a house. Time estimated from radar.
Jun 22, 8:05 PM EDTTSTM WND DMG1 N Mcpherson, NJTrees and wires down near Lebanon and McPherson Township. Time estimated from radar.
Jun 22, 8:05 PM EDTTSTM WND DMG1 N Stanton, NJReport and photos relayed via social media of a large tree fallen onto a house on Tamarack Trail. Additional trees were down in the neighborhood as well. Time estimated.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 12.0 hours before the alert went out and 166 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 2024-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 264 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 2024-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
264 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
1033 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

109 
WUUS51 KPHI 222357
SVRPHI
NJC019-230030-
/O.NEW.KPHI.SV.W.0042.240622T2357Z-240623T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
757 PM EDT Sat Jun 22 2024

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  East central Hunterdon County in northwestern New Jersey...

* Until 830 PM EDT.

* At 757 PM EDT, a severe thunderstorm was located near Clinton, or
  14 miles west of Somerville, moving east 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...
  Lebanon and White House Station.

This includes Interstate 78 in New Jersey between mile markers 25 and
26.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4055 7474 4053 7475 4056 7493 4062 7493
      4066 7473 4056 7473
TIME...MOT...LOC 2357Z 269DEG 13KT 4059 7488 

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

$$

AKL
2 follow-up statements
608 
WWUS51 KPHI 230007
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
807 PM EDT Sat Jun 22 2024

NJC019-230030-
/O.CON.KPHI.SV.W.0042.000000T0000Z-240623T0030Z/
Hunterdon NJ-
807 PM EDT Sat Jun 22 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR EAST CENTRAL HUNTERDON COUNTY...

At 806 PM EDT, a severe thunderstorm was located near Lebanon, or 11
miles west of Somerville, moving east 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...
Lebanon and White House Station.

This includes Interstate 78 in New Jersey between mile markers 25 and
26.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4057 7488 4063 7488 4066 7473 4056 7473
      4055 7474
TIME...MOT...LOC 0006Z 269DEG 13KT 4059 7483 

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

$$

AKL
508 
WWUS51 KPHI 230014
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
814 PM EDT Sat Jun 22 2024

NJC019-230024-
/O.CAN.KPHI.SV.W.0042.000000T0000Z-240623T0030Z/
Hunterdon NJ-
814 PM EDT Sat Jun 22 2024

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HUNTERDON COUNTY
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.

LAT...LON 4057 7488 4063 7488 4066 7473 4056 7473
      4055 7474
TIME...MOT...LOC 0009Z 269DEG 13KT 4059 7479 

$$

AKL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 2:38 AM EDTSmall Craft AdvisoryPHI71 hr
Jun 22, 3:47 AM EDTExcessive Heat WarningPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more40 hr
Jun 22, 12:26 PM EDTSevere Thunderstorm WarningPHISussex34 min
Jun 22, 3:06 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Somerset20 min
Jun 22, 4:10 PM EDTSevere Thunderstorm WarningPHIMonmouth35 min
Jun 22, 4:15 PM EDTSpecial Marine WarningPHI45 min
Jun 22, 4:39 PM EDTSpecial Marine WarningPHI17 min
Jun 22, 4:39 PM EDTRip Current StatementPHIAtlantic, Cape May, Ocean11 hr
Jun 22, 4:39 PM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean11 hr
Jun 22, 6:39 PM EDTSevere Thunderstorm WarningPHIMorris36 min
Jun 22, 7:07 PM EDTSevere Thunderstorm WarningPHIMorris23 min
Jun 22, 7:32 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Morris, Somerset22 min
Jun 22, 7:48 PM EDTFlash Flood WarningPHIHunterdon4 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.