Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 322, NWS Philadelphia/Mount Holly

November 13, 2021Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 13, 2021, 2:21 PM EST for Ocean County, New Jersey. It was in force for 24 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
Nov 13, 2021, 2:21 PM EST (19:21 UTC)
Expired
Nov 13, 2021, 2:45 PM EST
In force
24 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 22 km from the middle of the area, began a volume at 19:23 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 nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.4 hours before the alert went out and 154 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 2021-11-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

369 
WUUS51 KPHI 131921
SVRPHI
NJC029-131945-
/O.NEW.KPHI.SV.W.0322.211113T1921Z-211113T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
221 PM EST Sat Nov 13 2021

The National Weather Service in Mount Holly NJ has issued a

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

* Until 245 PM EST.

* At 221 PM EST, a severe thunderstorm was located over Beachwood, or
  near Toms River, moving northeast at 55 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Toms River, Beachwood, Seaside Heights, Mantoloking, Dover Beaches
  South, Dover Beaches North, Holiday City South, South Toms River,
  Island Heights, Holiday Heights, Gilford Park and Silver Ridge.

This includes Garden State Parkway between mile markers 75 and 82.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3984 7419 3988 7427 3994 7426 4007 7401
      3984 7407
TIME...MOT...LOC 1921Z 233DEG 46KT 3994 7417 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BAH
2 follow-up statements
945 
WWUS51 KPHI 131932
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
232 PM EST Sat Nov 13 2021

NJC029-131945-
/O.CON.KPHI.SV.W.0322.000000T0000Z-211113T1945Z/
Ocean NJ-
232 PM EST Sat Nov 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EST
FOR EAST CENTRAL OCEAN COUNTY...

At 232 PM EST, a severe thunderstorm was located over Mantoloking, or
9 miles east of Toms River, moving northeast at 55 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Toms River, Seaside Heights, Mantoloking, Dover Beaches South, Dover
Beaches North, Island Heights and Gilford Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3984 7419 3999 7416 4007 7401 3984 7407
TIME...MOT...LOC 1932Z 233DEG 46KT 4003 7401 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BAH
837 
WWUS51 KPHI 131936
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
236 PM EST Sat Nov 13 2021

NJC029-131946-
/O.EXP.KPHI.SV.W.0322.000000T0000Z-211113T1945Z/
Ocean NJ-
236 PM EST Sat Nov 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL OCEAN COUNTY WILL
EXPIRE AT 245 PM EST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3984 7419 3999 7416 4007 7401 3984 7407
TIME...MOT...LOC 1936Z 233DEG 46KT 4001 7404 

$$

BAH

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 13, 2:55 AM ESTWind AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more14 hr
Nov 13, 12:22 PM ESTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex, Warren53 min
Nov 13, 1:15 PM ESTSevere Thunderstorm WarningPHIMercer, Middlesex, Somerset13 min
Nov 13, 1:51 PM ESTSevere Thunderstorm WarningPHIMiddlesex9 min
Nov 13, 2:04 PM ESTSevere Thunderstorm WarningPHIMonmouth, Ocean41 min
Nov 13, 2:06 PM ESTSpecial Marine WarningPHI54 min
Nov 13, 2:22 PM ESTSpecial Marine WarningPHI53 min
Nov 13, 2:57 PM ESTSpecial Marine WarningPHI20 min
Nov 13, 6:59 PM ESTSmall Craft AdvisoryPHI11 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2021Every severe thunderstorm warning in 2021

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.