Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 114, NWS Philadelphia/Mount Holly

June 2, 2019Burlington County, Camden County, New Jersey; Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2019, 3:21 PM EDT for Burlington County, Camden County, New Jersey; Philadelphia County, Pennsylvania. It was in force for 39 min. 5 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
Jun 2, 2019, 3:21 PM EDT (19:21 UTC)
Expired
Jun 2, 2019, 4:00 PM EDT
In force
39 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Burlington County, NJ, Camden County, NJ, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 19:24 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
Jun 2, 3:26 PM EDTHAIL 0.75Moorestown, NJ
Jun 2, 3:40 PM EDTHAIL 0.751 Ese Rancocas, NJUP TO PENNY SIZE HAIL REPORTED IN WILLINGBORO.
Jun 2, 3:51 PM EDTHAIL 0.25Nws Mount Holly, NJPEA SIZED HAIL REPORTED AT THE NWS OFFICE.
Jun 2, 3:55 PM EDTHAIL 1Columbus, NJ
Jun 2, 4:05 PM EDTHAIL 0.25Burlington Twp, NJ

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 2, 3:05 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.4 hours before the alert went out and 199 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 2019-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2019-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
796 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

961 
WUUS51 KPHI 021921
SVRPHI
NJC005-007-PAC101-022000-
/O.NEW.KPHI.SV.W.0114.190602T1921Z-190602T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
321 PM EDT Sun Jun 2 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Camden County in southern New Jersey...
  Northwestern Burlington County in southern New Jersey...
  East central Philadelphia County in southeastern Pennsylvania...

* Until 400 PM EDT.

* At 321 PM EDT, a severe thunderstorm was located over Cherry Hill
  Mall, or near Camden, moving east at 30 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...
  Philadelphia, Camden, Cherry Hill, Evesham, Mount Laurel,
  Willingboro, Medford, Lumberton, Burlington, Mount Holly,
  Riverside, Palmyra, Tabernacle, Pemberton, Wrightstown, Ramblewood,
  Barclay-Kingston, Cherry Hill Mall, Golden Triangle and Marlton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

&&

LAT...LON 3992 7510 4001 7511 4013 7460 3981 7457
TIME...MOT...LOC 1921Z 266DEG 24KT 3996 7501 

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

SFJ
2 follow-up statements
171 
WWUS51 KPHI 021932
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
332 PM EDT Sun Jun 2 2019

PAC101-021941-
/O.CAN.KPHI.SV.W.0114.000000T0000Z-190602T2000Z/
Philadelphia PA-
332 PM EDT Sun Jun 2 2019

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PHILADELPHIA
COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled. A 
different severe thunderstorm warning remains in effect for western 
Philadelphia County.

A severe thunderstorm watch remains in effect until 1000 PM EDT for
southern New Jersey...and southeastern Pennsylvania.

LAT...LON 3992 7503 4002 7504 4013 7460 3984 7457
TIME...MOT...LOC 1931Z 266DEG 24KT 3996 7492 

$$

NJC005-007-022000-
/O.CON.KPHI.SV.W.0114.000000T0000Z-190602T2000Z/
Camden NJ-Burlington NJ-
332 PM EDT Sun Jun 2 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTH CENTRAL CAMDEN AND NORTHWESTERN BURLINGTON COUNTIES...

At 331 PM EDT, a severe thunderstorm was located over Mount Laurel,
or 10 miles east of Camden, moving east at 30 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...
Mount Laurel, Willingboro, Medford, Lumberton, Burlington, Mount
Holly, Riverside, Palmyra, Presidential Lakes Estates, Pemberton,
Wrightstown, Ramblewood, Cherry Hill Mall, Leisuretowne,
Jacksonville, Georgetown, Jobstown, Columbus, Marlton and
Barclay-Kingston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3992 7503 4002 7504 4013 7460 3984 7457
TIME...MOT...LOC 1931Z 266DEG 24KT 3996 7492 

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

SFJ
099 
WWUS51 KPHI 021950
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
350 PM EDT Sun Jun 2 2019

NJC005-007-022000-
/O.EXP.KPHI.SV.W.0114.000000T0000Z-190602T2000Z/
Camden NJ-Burlington NJ-
350 PM EDT Sun Jun 2 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CAMDEN AND
NORTHWESTERN BURLINGTON COUNTIES WILL EXPIRE AT 400 PM EDT...
                
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 will be allowed to expire.  However small hail
and heavy rain are still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 1000 PM EDT for
southern New Jersey...and southeastern Pennsylvania.

LAT...LON 3992 7503 4002 7504 4013 7460 3984 7457
TIME...MOT...LOC 1950Z 241DEG 23KT 4004 7480 

$$

SFJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 3:54 PM EDTSpecial Weather StatementPHIMercer36 min
Jun 2, 4:26 PM EDTSpecial Weather StatementPHIAtlantic34 min
Jun 2, 4:28 PM EDTSpecial Weather StatementPHIMonmouth32 min
Jun 2, 4:29 PM EDTSpecial Marine WarningPHI37 min
Jun 2, 4:31 PM EDTSpecial Marine WarningPHI59 min
Jun 2, 4:34 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean20 min
Jun 2, 4:37 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean38 min
Jun 2, 5:22 PM EDTSpecial Marine WarningPHI53 min
Jun 2, 6:07 PM EDTSpecial Marine WarningPHI21 min
Jun 2, 6:24 PM EDTSpecial Weather StatementPHISalem36 min
Jun 2, 6:27 PM EDTSpecial Marine WarningPHI40 min
Jun 2, 6:43 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem47 min
Jun 2, 7:11 PM EDTSevere Thunderstorm WarningPHIHunterdon49 min
Jun 2, 7:14 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem46 min
Jun 2, 7:45 PM EDTSpecial Marine WarningPHI60 min
Jun 2, 7:51 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem39 min
Jun 2, 7:56 PM EDTSpecial Weather StatementPHIMercer34 min
Jun 2, 2:32 PM EDTSpecial Weather StatementPHIDelaware28 min
Jun 2, 2:40 PM EDTSevere Thunderstorm WarningPHIChester, Delaware50 min
Jun 2, 3:15 PM EDTSpecial Weather StatementPHIPhiladelphia30 min
Jun 2, 3:18 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia42 min
Jun 2, 3:55 PM EDTSpecial Weather StatementPHIDelaware35 min
Jun 2, 4:01 PM EDTSpecial Weather StatementPHIBucks29 min
Jun 2, 4:29 PM EDTSpecial Weather StatementPHIBucks, Montgomery, Philadelphia31 min
Jun 2, 5:46 PM EDTSevere Thunderstorm WarningPHIChester44 min
Jun 2, 6:53 PM EDTSpecial Weather StatementPHIBerks37 min
Jun 2, 7:34 PM EDTSpecial Weather StatementPHIPhiladelphia26 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2019Severe Thunderstorm Warnings in Pennsylvania, 2019Every severe thunderstorm warning in 2019

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.