Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 49, NWS Philadelphia/Mount Holly

May 20, 2026Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 20, 2026, 6:12 PM EDT for Ocean County, New Jersey. It was in force for 33 min. 1 report 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
May 20, 2026, 6:12 PM EDT (22:12 UTC)
Expired
May 20, 2026, 6:45 PM EDT
In force
33 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 30 km from the middle of the area, began a volume at 22:16 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
May 20, 6:30 PM EDTTSTM WND DMG4 Ese Lakehurst, NJPicture on social media showed multiple large limbs blown down. Time estimated from radar.

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

The watch it was issued in

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

IssuedProductOfficeLasted
May 20, 2:10 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.2 hours before the alert went out and 138 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 2026-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 2026-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
31 J/kg
Mixed-layer CIN
-279 J/kg
Mixed-layer LCL
1524 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

563 
WUUS51 KPHI 202212
SVRPHI
NJC029-202245-
/O.NEW.KPHI.SV.W.0049.260520T2212Z-260520T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
612 PM EDT Wed May 20 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern Ocean County in southern New Jersey...

* Until 645 PM EDT.

* At 612 PM EDT, a severe thunderstorm was located over Holiday City
  South, or over Toms River, moving east at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Toms River, Beachwood, Manasquan, Point Pleasant Beach, Seaside
  Heights, Lakehurst, Mantoloking, Leisure Village, Dover Beaches
  North, Holiday City South, Pleasant Plains, Cedar Glen West,
  Leisure Village East, Dover Beaches South, Holiday City-Berkeley,
  Bamber Lake, Brick Township, Pine Ridge At Crestwood, Leisure
  Village West-Pine Lake Park, and Point Pleasant.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4013 7397 3986 7397 3984 7436 4003 7435
      4010 7408 4009 7407 4011 7404 4010 7404
      4011 7403
TIME...MOT...LOC 2212Z 258DEG 23KT 3997 7422 

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

$$

Fitzsimmons
1 follow-up statement
339 
WWUS51 KPHI 202243
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
643 PM EDT Wed May 20 2026

NJC029-202253-
/O.EXP.KPHI.SV.W.0049.000000T0000Z-260520T2245Z/
Ocean NJ-
643 PM EDT Wed May 20 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OCEAN COUNTY WILL
EXPIRE AT 645 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.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central and southern New Jersey.

LAT...LON 4013 7397 3986 7397 3984 7436 4003 7435
      4010 7408 4009 7407 4011 7404 4010 7404
      4011 7403
TIME...MOT...LOC 2243Z 258DEG 23KT 4001 7399 

$$

Fitzsimmons

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 2:25 PM EDTSmall Craft AdvisoryPHI3 days
May 20, 4:43 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren47 min
May 20, 5:01 PM EDTSpecial Marine WarningPHI86 min
May 20, 5:10 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester50 min
May 20, 5:15 PM EDTSevere Thunderstorm WarningPHIBurlington, Hunterdon, Mercer, Somerset45 min
May 20, 5:24 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset, Warren51 min
May 20, 5:29 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem46 min
May 20, 5:35 PM EDTSevere Thunderstorm WarningPHISalem40 min
May 20, 5:40 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester3 hr
May 20, 5:41 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Monmouth, Ocean49 min
May 20, 5:52 PM EDTSevere Thunderstorm WarningPHIBurlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more38 min
May 20, 6:01 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester44 min
May 20, 6:04 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIHunterdon, Middlesex, Monmouth, Morris, Somerset56 min
May 20, 6:07 PM EDTSpecial Marine WarningPHI53 min
May 20, 6:09 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean46 min
May 20, 6:17 PM EDTSpecial Marine WarningPHI118 min
May 20, 6:23 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean, Somerset56 min
May 20, 6:58 PM EDTSevere Thunderstorm WarningPHIOcean32 min
May 20, 7:30 PM EDTSpecial Marine WarningPHI90 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2026Every severe thunderstorm warning in 2026

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.