Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 201, NWS Philadelphia/Mount Holly

August 3, 2020Burlington County, Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 3, 2020, 7:43 PM EDT for Burlington County, Monmouth County, Ocean County, New Jersey. It was in force for 62 min. 13 reports 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
Aug 3, 2020, 7:43 PM EDT (23:43 UTC)
Expired
Aug 3, 2020, 8:45 PM EDT
In force
62 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Burlington County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 16 km from the middle of the area, began a volume at 23:47 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
Aug 3, 7:50 PM EDTTSTM WND DMG3 E Lakehurst, NJDOWNED TREES AND WIRES NEAR MORNINGSIDE STREET AND 10TH AVENUE NEAR PINE LAKE. TIME ESTIMATED FROM RADAR.
Aug 3, 7:51 PM EDTTSTM WND GST 67Berkeley Twp, NJKMJX ASOS.
Aug 3, 7:51 PM EDTTSTM WND GST 70Berkeley Twp, NJCORRECTS PREVIOUS TSTM WND GST REPORT FROM BERKELEY TWP. KMJX ASOS.
Aug 3, 7:55 PM EDTTSTM WND GST 75Berkeley Twp, NJNJWXNET STATION.
Aug 3, 7:59 PM EDTTSTM WND GST 58Toms River, NJSPOTTER REPORTS 58 MPH WINDS, PENNY SIZE HAIL, AND POWER OUTAGES. TIME ESTIMATED FROM RADAR.
Aug 3, 8:09 PM EDTMARINE TSTM WIND 421 S Point Pleasant, NJ
Aug 3, 8:09 PM EDTMARINE TSTM WIND 451 E Brielle, NJ
Aug 3, 8:11 PM EDTTSTM WND DMGToms River, NJDOWNED TREE AND WIRES ON NJ ROUTE 37 BOTH DIRECTIONS AT CR 39 (MULE ROAD) IN TOMS RIVER TOWNSHIP.
Aug 3, 8:16 PM EDTTSTM WND DMGNeptune City, NJDOWNED TREE ON NJ ROUTE 33 WESTBOUND RAMP TO NJ ROUTE 18 IN NEPTUNE TOWNSHIP, NJ.
Aug 3, 8:18 PM EDTTSTM WND GST 59Mantoloking, NJ
Aug 3, 8:18 PM EDTMARINE TSTM WIND 59Mantoloking, NJ
Aug 3, 8:19 PM EDTTSTM WND DMG1 Nw Neptune City, NJDOWNED TREES AND WIRES NEAR CORLIES AVENUE IN NEPTUNE CITY. TIME ESTIMATED FROM RADAR.
Aug 3, 8:32 PM EDTTSTM WND DMG1 Nw Sea Bright, NJDOWNED TREES AND WIRES NEAR HARTSHORNE LANE IN RUMSON. TIME ESTIMATED FROM RADAR.

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.7 hours before the alert went out and 151 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 2020-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 185 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 2020-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
185 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1124 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

569 
WUUS51 KPHI 032343
SVRPHI
NJC005-025-029-040045-
/O.NEW.KPHI.SV.W.0201.200803T2343Z-200804T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
743 PM EDT Mon Aug 3 2020

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Ocean County in southern New Jersey...
  Northeastern Burlington County in southern New Jersey...
  Southern Monmouth County in central New Jersey...

* Until 845 PM EDT.

* At 742 PM EDT, a severe thunderstorm was located over Lakehurst, or
  7 miles west of Toms River, moving northeast at 35 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Toms River, Long Branch, Asbury Park, Lakewood, Jackson, Howell,
  Tinton Falls, Red Bank, Beachwood, Manasquan, Point Pleasant Beach,
  Seaside Heights, Lakehurst, Farmingdale, Mantoloking, Allenwood,
  Six Flags Theme Park, West Freehold, Cassville and Adelphia.

This includes the following highways...
 Interstate 195 in New Jersey between mile markers 15 and 34.
 Garden State Parkway between mile markers 73 and 109.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

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

&&

LAT...LON 3978 7433 4011 7461 4040 7394 3992 7399
TIME...MOT...LOC 2342Z 231DEG 30KT 3999 7433 

HAIL...1.00IN
WIND...70MPH
 
$$

Robertson
2 follow-up statements
152 
WWUS51 KPHI 040010
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
810 PM EDT Mon Aug 3 2020

NJC005-040019-
/O.CAN.KPHI.SV.W.0201.000000T0000Z-200804T0045Z/
Burlington NJ-
810 PM EDT Mon Aug 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BURLINGTON COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3995 7398 3991 7400 3987 7411 4016 7451
      4039 7397
TIME...MOT...LOC 0009Z 237DEG 33KT 4012 7404 

$$

NJC025-029-040045-
/O.CON.KPHI.SV.W.0201.000000T0000Z-200804T0045Z/
Ocean NJ-Monmouth NJ-
810 PM EDT Mon Aug 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHEASTERN OCEAN AND SOUTHERN MONMOUTH COUNTIES...

At 809 PM EDT, a severe thunderstorm was located over Manasquan, or 7
miles south of Asbury Park, moving northeast at 40 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Toms River, Long Branch, Asbury Park, Lakewood, Jackson, Howell,
Tinton Falls, Red Bank, Beachwood, Manasquan, Point Pleasant Beach,
Seaside Heights, Lakehurst, Farmingdale, Mantoloking, Allenwood, East
Freehold, Six Flags Theme Park, West Freehold and Cassville.

This includes the following highways...
 Interstate 195 in New Jersey between mile markers 14 and 34.
 Garden State Parkway between mile markers 81 and 110.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

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

&&

LAT...LON 3995 7398 3991 7400 3987 7411 4016 7451
      4039 7397
TIME...MOT...LOC 0009Z 237DEG 33KT 4012 7404 

HAIL...1.00IN
WIND...70MPH
 
$$

Robertson
571 
WWUS51 KPHI 040028
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
828 PM EDT Mon Aug 3 2020

NJC025-029-040045-
/O.CON.KPHI.SV.W.0201.000000T0000Z-200804T0045Z/
Ocean NJ-Monmouth NJ-
828 PM EDT Mon Aug 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHEASTERN OCEAN AND SOUTHEASTERN MONMOUTH COUNTIES...

At 827 PM EDT, a severe thunderstorm was located over Elberon, or
over Asbury Park, moving northeast at 30 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Long Branch, Asbury Park, Howell, Tinton Falls, Red Bank, Manasquan,
Point Pleasant Beach, Farmingdale, Mantoloking, Allenwood, Elberon,
Collingwood Park, Ramtown, Point Pleasant, Eatontown, West Long
Branch, Rumson, Little Silver, Oceanport and Neptune City.

This includes the following highways...
 Interstate 195 in New Jersey between mile markers 30 and 34.
 Garden State Parkway between mile markers 94 and 109.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

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

&&

LAT...LON 4001 7404 4023 7425 4030 7414 4039 7397
      4022 7397
TIME...MOT...LOC 0027Z 217DEG 27KT 4024 7398 

HAIL...1.00IN
WIND...70MPH
 
$$

Robertson

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 8:09 PM EDTSpecial Marine WarningPHI36 min
Aug 2, 8:53 PM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean51 hr
Aug 2, 8:53 PM EDTHigh Surf AdvisoryPHIAtlantic, Cape May, Monmouth, Ocean51 hr
Aug 2, 9:01 PM EDTSpecial Weather StatementPHIAtlantic44 min
Aug 2, 10:18 PM EDTSpecial Weather StatementPHIWarren42 min
Aug 2, 11:42 PM EDTSpecial Weather StatementPHICumberland33 min
Aug 2, 11:49 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more41 min
Aug 3, 5:08 AM EDTTropical Storm WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more39 hr
Aug 3, 4:26 PM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more38 hr
Aug 3, 6:03 PM EDTSpecial Marine WarningPHI12 min
Aug 3, 6:05 PM EDTSevere Thunderstorm WarningPHICumberland22 min
Aug 3, 6:19 PM EDTSpecial Weather StatementPHISalem26 min
Aug 3, 6:32 PM EDTSpecial Weather StatementPHICamden, Cumberland, Gloucester, Salem28 min
Aug 3, 6:48 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester27 min
Aug 3, 6:59 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester31 min
Aug 3, 7:02 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem28 min
Aug 3, 7:12 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Monmouth, Ocean48 min
Aug 3, 7:20 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Mercer, Monmouth40 min
Aug 3, 7:52 PM EDTSpecial Marine WarningPHI73 min
Aug 3, 7:56 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean, Somerset52 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2020Every severe thunderstorm warning in 2020

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.