Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 62, NWS Philadelphia/Mount Holly

June 3, 2020Atlantic County, Cape May County, Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 3, 2020, 8:42 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 16 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 3, 2020, 8:42 PM EDT (00:42 UTC)
Expired
Jun 3, 2020, 8:58 PM EDT
In force
16 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ

The radar

The Philadelphia radar (KDIX), 72 km from the middle of the area, began a volume at 00:44 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
Jun 3, 3:52 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.7 hours before the alert went out and 168 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, Wallops Is Stn, VA at 00:00Z on 2020-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 226 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, Wallops Is Stn, VA at 00:00Z on 2020-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 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
226 J/kg
Mixed-layer CIN
-210 J/kg
Mixed-layer LCL
2075 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

549 
WUUS51 KPHI 040042
SVRPHI
NJC001-009-011-040115-
/O.NEW.KPHI.SV.W.0062.200604T0042Z-200604T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
842 PM EDT Wed Jun 3 2020

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southern Atlantic County in southern New Jersey...
  Northeastern Cumberland County in southern New Jersey...
  Northeastern Cape May County in southern New Jersey...

* Until 915 PM EDT.

* At 841 PM EDT, a severe thunderstorm was located near Mizpah, or
  near Vineland, moving southeast at 40 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...
  Vineland, Atlantic City, Millville, Ocean City, Cumberland,
  Pleasantville, Somers Point, Ventnor City, Brigantine, Northfield,
  Absecon, Margate City, Buena, Estell Manor, Longport, Corbin City,
  Beesleys Point, Dorothy, Mays Landing and English Creek.

This includes the following highways...
 Atlantic City Expressway between mile markers 0 and 14.
 Garden State Parkway between mile markers 21 and 40.

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 3915 7458 3941 7505 3955 7494 3943 7438
TIME...MOT...LOC 0041Z 295DEG 33KT 3945 7490 

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

Fitzsimmons
1 follow-up statement
775 
WWUS51 KPHI 040058
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
858 PM EDT Wed Jun 3 2020

NJC001-009-011-040108-
/O.CAN.KPHI.SV.W.0062.000000T0000Z-200604T0115Z/
Atlantic NJ-Cumberland NJ-Cape May NJ-
858 PM EDT Wed Jun 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ATLANTIC...
NORTHEASTERN CUMBERLAND AND NORTHEASTERN CAPE MAY COUNTIES IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southern New Jersey.

LAT...LON 3915 7458 3941 7505 3955 7494 3943 7438
TIME...MOT...LOC 0057Z 295DEG 33KT 3938 7471 

$$

Fitzsimmons

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 8:03 PM EDTSpecial Marine WarningPHI87 min
Jun 3, 8:32 PM EDTSevere Thunderstorm WarningPHIAtlantic, Ocean13 min
Jun 4, 6:06 AM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more22 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.