Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 65, NWS Philadelphia/Mount Holly

June 8, 2021Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 8, 2021, 4:58 PM EDT for Ocean County, New Jersey. It was in force for 47 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 8, 2021, 4:58 PM EDT (20:58 UTC)
Expired
Jun 8, 2021, 5:45 PM EDT
In force
47 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), 30 km from the middle of the area, began a volume at 21:00 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, 9.0 hours before the alert went out and 139 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 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 740 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 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
740 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
1004 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

470 
WUUS51 KPHI 082058
SVRPHI
NJC029-082145-
/O.NEW.KPHI.SV.W.0065.210608T2058Z-210608T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
458 PM EDT Tue Jun 8 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 545 PM EDT.

* At 458 PM EDT, severe thunderstorms were located along a line
  extending from Manasquan to Dover Beaches North to Brookville,
  moving east at 15 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, Barnegat, Beachwood, Manasquan, Point Pleasant Beach,
  Seaside Heights, Mantoloking, Brick Township, Dover Beaches North,
  Dover Beaches South, Holiday City South, Point Pleasant, Brielle,
  South Toms River, Spring Lake, Sea Girt, Island Heights, Bay Head,
  Gilford Park and Waretown.

This includes Garden State Parkway between mile markers 68 and 82.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with this storm, and
the storm will affect the beaches. For your safety, immediately move
off the beach and seek shelter indoors.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3999 7404 3968 7410 3982 7438 4000 7417
      4010 7408 4010 7406 4012 7405 4010 7403
      4012 7404 4017 7401 4017 7398
TIME...MOT...LOC 2058Z 277DEG 15KT 4013 7401 4000 7409 3981 7432 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann
3 follow-up statements
516 
WWUS51 KPHI 082112
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
512 PM EDT Tue Jun 8 2021

NJC029-082145-
/O.CON.KPHI.SV.W.0065.000000T0000Z-210608T2145Z/
Ocean NJ-
512 PM EDT Tue Jun 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR EAST CENTRAL OCEAN COUNTY...

At 512 PM EDT, severe thunderstorms were located along a line
extending from Mantoloking to Seaside Heights to near Brookville,
moving east at 15 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, Barnegat, Beachwood, Point Pleasant Beach, Seaside
Heights, Mantoloking, Dover Beaches North, Dover Beaches South, Point
Pleasant, South Toms River, Island Heights, Bay Head, Gilford Park,
Waretown and Ocean Acres.

This includes Garden State Parkway between mile markers 68 and 80.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with this storm, and
the storm will affect the beaches. For your safety, immediately move
off the beach and seek shelter indoors.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3996 7405 3968 7410 3975 7425 3981 7435
      4009 7404 4009 7401
TIME...MOT...LOC 2112Z 284DEG 14KT 4005 7404 3993 7409 3980 7426 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann
553 
WWUS51 KPHI 082122
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
522 PM EDT Tue Jun 8 2021

NJC029-082145-
/O.CON.KPHI.SV.W.0065.000000T0000Z-210608T2145Z/
Ocean NJ-
522 PM EDT Tue Jun 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR EAST CENTRAL OCEAN COUNTY...

At 521 PM EDT, trained weather spotters reported quarter sized hail 
in Seaside Park. These severe thunderstorms were located along a 
line extending from near Mantoloking to Seaside Heights to near 
Barnegat, moving east at 15 mph.

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

SOURCE...Trained weather spotters.

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

Locations impacted include...
Toms River, Barnegat, Beachwood, Point Pleasant Beach, Seaside
Heights, Mantoloking, Dover Beaches North, Dover Beaches South, Point
Pleasant, South Toms River, Island Heights, Bay Head, Gilford Park,
Waretown and Ocean Acres.

This includes Garden State Parkway between mile markers 68 and 80.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with this storm, and
the storm will affect the beaches. For your safety, immediately move
off the beach and seek shelter indoors.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3996 7405 3968 7410 3975 7425 3981 7435
      4009 7404 4009 7401
TIME...MOT...LOC 2121Z 277DEG 15KT 4005 7401 3993 7406 3980 7423 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann
457 
WWUS51 KPHI 082136
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
536 PM EDT Tue Jun 8 2021

NJC029-082145-
/O.CON.KPHI.SV.W.0065.000000T0000Z-210608T2145Z/
Ocean NJ-
536 PM EDT Tue Jun 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR EAST CENTRAL OCEAN COUNTY...

At 536 PM EDT, severe thunderstorms were located along a line
extending from Seaside Heights to Barnegat, moving east at 10 mph.

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

SOURCE...Trained weather spotters.

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

Locations impacted include...
Toms River, Barnegat, Seaside Heights, Dover Beaches South, Dover
Beaches North, Island Heights, Waretown and Ocean Acres.

This includes Garden State Parkway between mile markers 68 and 76.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3995 7405 3968 7410 3975 7425 3979 7431
      3999 7408 3999 7404
TIME...MOT...LOC 2136Z 288DEG 9KT 3992 7408 3978 7424 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 1:27 PM EDTAreal Flood AdvisoryPHIWarren3 hr
Jun 8, 1:49 PM EDTSpecial Weather StatementPHIWarren26 min
Jun 8, 1:54 PM EDTAreal Flood AdvisoryPHIMorris, Sussex95 min
Jun 8, 2:19 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer2 hr
Jun 8, 2:29 PM EDTSpecial Weather StatementPHIMorris16 min
Jun 8, 2:48 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Somerset27 min
Jun 8, 3:13 PM EDTSpecial Weather StatementPHIHunterdon, Somerset32 min
Jun 8, 3:14 PM EDTAreal Flood AdvisoryPHIMiddlesex, Somerset74 min
Jun 8, 4:12 PM EDTSevere Thunderstorm WarningPHIMonmouth48 min
Jun 8, 4:14 PM EDTSpecial Marine WarningPHI91 min
Jun 8, 4:44 PM EDTSpecial Weather StatementPHISalem31 min
Jun 8, 4:47 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem43 min
Jun 8, 4:54 PM EDTSpecial Marine WarningPHI96 min
Jun 8, 4:56 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Gloucester49 min
Jun 8, 5:30 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem45 min
Jun 8, 5:43 PM EDTSpecial Weather StatementPHIOcean32 min
Jun 8, 6:01 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean44 min
Jun 8, 6:22 PM EDTSpecial Marine WarningPHI83 min
Jun 8, 7:39 PM EDTSpecial Marine WarningPHI66 min
Jun 8, 7:52 PM EDTSpecial Weather StatementPHICape May38 min

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.