Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 38, NWS Philadelphia/Mount Holly

June 22, 2024Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 22, 2024, 4:10 PM EDT for Monmouth County, New Jersey. It was in force for 35 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, 4:10 PM EDT (20:10 UTC)
Expired
Jun 22, 2024, 4:45 PM EDT
In force
35 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 20:10 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, 4:12 PM EDTTSTM WND GST 62Sandy Hook, NJA 62 mph thunderstorm wind gust measured at the Sandy Hook NOS weather station.
Jun 22, 4:16 PM EDTTSTM WND DMG2 Ne Monmouth Hills, NJReport from mPING: Trees uprooted or snapped.
Jun 22, 4:25 PM EDTTSTM WND DMG1 Ese Atlantic Highland, NJNumerous trees blown down across NE Monmouth County from Port Monmouth to the Highlands. Time estimated from radar.

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, 8.2 hours before the alert went out and 110 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.

181 
WUUS51 KPHI 222010
SVRPHI
NJC025-222045-
/O.NEW.KPHI.SV.W.0038.240622T2010Z-240622T2045Z/

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

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern Monmouth County in central New Jersey...

* Until 445 PM EDT.

* At 410 PM EDT, a severe thunderstorm was located near Keansburg, or
  near Sandy Hook, moving east at 15 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...
  Sandy Hook, Keansburg, Highlands, Navesink, and North Middletown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4038 7397 4043 7415 4045 7415 4045 7413
      4042 7405 4041 7398 4043 7399 4044 7399
      4048 7402 4048 7401 4043 7397
TIME...MOT...LOC 2010Z 277DEG 12KT 4047 7408 

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

$$

AKL
2 follow-up statements
579 
WWUS51 KPHI 222023
SVSPHI

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

NJC025-222045-
/O.CON.KPHI.SV.W.0038.000000T0000Z-240622T2045Z/
Monmouth NJ-
423 PM EDT Sat Jun 22 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHEASTERN MONMOUTH COUNTY...

At 422 PM EDT, a severe thunderstorm was located over Sandy Hook,
moving east at 15 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...
Sandy Hook, Highlands, and Navesink.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4041 7408 4042 7409 4043 7408 4041 7398
      4047 7401 4048 7401 4043 7397 4038 7397
TIME...MOT...LOC 2022Z 284DEG 14KT 4044 7402 

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

$$

AKL
637 
WWUS51 KPHI 222040
SVSPHI

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

NJC025-222050-
/O.EXP.KPHI.SV.W.0038.000000T0000Z-240622T2045Z/
Monmouth NJ-
440 PM EDT Sat Jun 22 2024

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MONMOUTH COUNTY
WILL EXPIRE AT 445 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 4041 7408 4042 7409 4043 7408 4041 7398
      4047 7401 4048 7401 4043 7397 4038 7397
TIME...MOT...LOC 2040Z 277DEG 12KT 4043 7395 

$$

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, 4:15 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
Jun 22, 7:57 PM EDTSevere Thunderstorm WarningPHIHunterdon17 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.