Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 328, NWS Philadelphia/Mount Holly

August 27, 2026Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 27, 2026, 2:02 PM EDT for Monmouth County, New Jersey. It was in force for 28 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
Aug 27, 2026, 2:02 PM EDT (18:02 UTC)
Expired
Aug 27, 2026, 2:30 PM EDT
In force
28 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 18:02 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
Aug 27, 12:51 PM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.0 hours before the alert went out and 111 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 2026-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 346 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 2026-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
346 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
890 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

555 
WUUS51 KPHI 271802
SVRPHI
NJC025-271830-
/O.NEW.KPHI.SV.W.0328.260827T1802Z-260827T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
202 PM EDT Thu Aug 27 2026

The National Weather Service in Mount Holly NJ has issued a

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

* Until 230 PM EDT.

* At 202 PM EDT, a severe thunderstorm was located over Middletown,
  or near Sandy Hook, moving east at 15 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Sandy Hook, Middletown, Red Bank, Keansburg, Highlands, Lincroft,
  Navesink, Rumson, Little Silver, and North Middletown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4036 7397 4033 7415 4044 7419 4046 7418
      4045 7417 4045 7414 4046 7414 4042 7406
      4041 7398 4042 7398 4042 7399 4045 7399
      4045 7400 4048 7401 4047 7400 4043 7397
TIME...MOT...LOC 1802Z 257DEG 13KT 4042 7409 

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

$$

PHI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 11:38 AM EDTFlash Flood WarningPHIGloucester4 hr
Aug 27, 12:26 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester49 min
Aug 27, 12:41 PM EDTFlash Flood WarningPHICamden, Gloucester, Salem5 hr
Aug 27, 1:06 PM EDTSevere Thunderstorm WarningPHIMiddlesex24 min
Aug 27, 1:07 PM EDTFlash Flood WarningPHIMiddlesex, Somerset4 hr
Aug 27, 1:15 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester45 min
Aug 27, 1:17 PM EDTFlash Flood WarningPHIMercer, Somerset7 hr
Aug 27, 1:20 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth40 min
Aug 27, 1:26 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth49 min
Aug 27, 1:32 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem43 min
Aug 27, 1:34 PM EDTSpecial Marine WarningPHI21 min
Aug 27, 1:50 PM EDTFlash Flood WarningPHISalem4 hr
Aug 27, 1:57 PM EDTTornado WarningPHISalem11 min
Aug 27, 2:13 PM EDTSevere Thunderstorm WarningPHIMonmouth47 min
Aug 27, 2:16 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem44 min
Aug 27, 2:18 PM EDTFlash Flood WarningPHIMiddlesex, Monmouth4 hr
Aug 27, 2:20 PM EDTSpecial Marine WarningPHI40 min
Aug 27, 2:31 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean44 min
Aug 27, 2:38 PM EDTFlash Flood WarningPHICamden4 hr
Aug 27, 2:58 PM EDTSevere Thunderstorm WarningPHIMonmouth30 min
Aug 27, 3:00 PM EDTSpecial Marine WarningPHI60 min
Aug 27, 3:04 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden41 min
Aug 27, 3:26 PM EDTAreal Flood WarningPHIGloucester, Salem5 hr
Aug 27, 3:43 PM EDTFlash Flood WarningPHICamden3 hr
Aug 27, 4:52 PM EDTFlash Flood WarningPHIWarren3 hr
Aug 27, 4:59 PM EDTAreal Flood WarningPHIMiddlesex, Somerset4 hr
Aug 27, 5:44 PM EDTAreal Flood WarningPHICamden, Gloucester5 hr
Aug 27, 6:17 PM EDTAreal Flood WarningPHIMiddlesex, Monmouth4 hr
Aug 27, 7:00 PM EDTFlash Flood WarningPHIBurlington, Camden3 hr
Aug 27, 7:26 PM EDTSpecial Marine WarningPHI32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.