Alert archive / New Jersey / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 90, NWS Philadelphia/Mount Holly

June 30, 2024Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 30, 2024, 5:20 PM EDT for Monmouth County, New Jersey. It was in force for 25 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
Jun 30, 2024, 5:20 PM EDT (21:20 UTC)
Expired
Jun 30, 2024, 5:45 PM EDT
In force
25 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), 61 km from the middle of the area, began a volume at 21:24 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 30, 11:09 AM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.3 hours before the alert went out and 114 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 2024-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 856 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2024-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
856 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1165 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

972 
WUUS51 KPHI 302120 RRA
SVRPHI
NJC025-302145-
/O.NEW.KPHI.SV.W.0090.240630T2120Z-240630T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
520 PM EDT Sun Jun 30 2024

The National Weather Service in Mount Holly NJ has issued a

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

* Until 545 PM EDT.

* At 520 PM EDT, a severe thunderstorm was located near Sandy Hook,
  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...
  Sandy Hook, Matawan, Highlands, Navesink, Keyport, Rumson, North
  Middletown, and Strathmore.

This includes Garden State Parkway between mile markers 118 and 120.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4042 7425 4044 7424 4045 7422 4044 7420
      4046 7418 4041 7399 4041 7398 4043 7399
      4044 7399 4048 7402 4048 7401 4043 7397
      4037 7397
TIME...MOT...LOC 2120Z 284DEG 30KT 4051 7397 

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

$$

Fitzsimmons
1 follow-up statement
858 
WWUS51 KPHI 302145
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
545 PM EDT Sun Jun 30 2024

NJC025-302154-
/O.EXP.KPHI.SV.W.0090.000000T0000Z-240630T2145Z/
Monmouth NJ-
545 PM EDT Sun Jun 30 2024

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MONMOUTH COUNTY
WILL EXPIRE AT 545 PM EDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
northern and central New Jersey.

LAT...LON 4042 7425 4044 7424 4045 7422 4044 7420
      4046 7418 4041 7399 4041 7398 4043 7399
      4044 7399 4048 7402 4048 7401 4043 7397
      4037 7397
TIME...MOT...LOC 2144Z 284DEG 30KT 4046 7373 

$$

Fitzsimmons

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:23 AM EDTFlash Flood WarningPHIAtlantic, Cape May, Cumberland4 hr
Jun 30, 8:00 AM EDTSpecial Marine WarningPHI49 min
Jun 30, 1:57 PM EDTSevere Thunderstorm WarningPHISussex, Warren48 min
Jun 30, 2:10 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren50 min
Jun 30, 2:42 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex, Warren63 min
Jun 30, 3:16 PM EDTSmall Craft AdvisoryPHI21 hr
Jun 30, 3:26 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Warren49 min
Jun 30, 4:10 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset35 min
Jun 30, 4:25 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester50 min
Jun 30, 4:37 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer53 min
Jun 30, 4:44 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset31 min
Jun 30, 4:53 PM EDTFlash Flood WarningPHIHunterdon, Middlesex, Morris, Somerset3 hr
Jun 30, 5:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden51 min
Jun 30, 5:11 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Somerset49 min
Jun 30, 5:26 PM EDTSpecial Marine WarningPHI34 min
Jun 30, 5:51 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Salem39 min
Jun 30, 5:54 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester3 hr
Jun 30, 5:55 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth, Somerset50 min
Jun 30, 6:06 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem39 min
Jun 30, 6:17 PM EDTSpecial Marine WarningPHI58 min
Jun 30, 6:26 PM EDTSpecial Marine WarningPHI64 min
Jun 30, 6:35 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem40 min
Jun 30, 6:40 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Ocean65 min
Jun 30, 6:42 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth48 min
Jun 30, 6:44 PM EDTSpecial Marine WarningPHI2 hr
Jun 30, 6:49 PM EDTSpecial Marine WarningPHI83 min
Jun 30, 7:00 PM EDTSevere Thunderstorm WarningPHICumberland45 min
Jun 30, 7:31 PM EDTSevere Thunderstorm WarningPHISalem44 min
Jun 30, 7:34 PM EDTSpecial Marine WarningPHI27 min
Jun 30, 7:37 PM EDTSpecial Marine WarningPHI53 min
Jun 30, 7:43 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland24 min
Jun 30, 7:56 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.