Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 199, NWS Philadelphia/Mount Holly

July 6, 2019Burlington County, Camden County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2019, 2:25 PM EDT for Burlington County, Camden County, Ocean County, New Jersey. It was in force for 28 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
Jul 6, 2019, 2:25 PM EDT (18:25 UTC)
Expired
Jul 6, 2019, 2:53 PM EDT
In force
28 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Burlington County, NJ, Camden County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 31 km from the middle of the area, began a volume at 18:27 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, 6.4 hours before the alert went out and 196 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 2019-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1195 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 2019-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
1195 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

500 
WUUS51 KPHI 061825
SVRPHI
NJC005-007-029-061915-
/O.NEW.KPHI.SV.W.0199.190706T1825Z-190706T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
225 PM EDT Sat Jul 6 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Western Ocean County in southern New Jersey...
  East central Camden County in southern New Jersey...
  Central Burlington County in southern New Jersey...

* Until 315 PM EDT.

* At 225 PM EDT, a severe thunderstorm was located over Medford, or
  15 miles east of Gloucester City, moving east at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Evesham, Medford, Berlin, Tabernacle, Shamong, Presidential Lakes
  Estates, Wharton State Forest, Presidential Lakes, Atsion,
  Leisuretowne, Chatsworth, Old Halfway, Marlton Lakes, Penn State
  Forest, Marlton and Medford Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3979 7495 3997 7488 3991 7439 3965 7448
TIME...MOT...LOC 1825Z 286DEG 17KT 3987 7483 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

MPS
2 follow-up statements
872 
WWUS51 KPHI 061844
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
244 PM EDT Sat Jul 6 2019

NJC007-061853-
/O.CAN.KPHI.SV.W.0199.000000T0000Z-190706T1915Z/
Camden NJ-
244 PM EDT Sat Jul 6 2019

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CAMDEN 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 3981 7477 3995 7475 3991 7439 3976 7444
TIME...MOT...LOC 1843Z 274DEG 19KT 3989 7467 

$$

NJC005-029-061915-
/O.CON.KPHI.SV.W.0199.000000T0000Z-190706T1915Z/
Ocean NJ-Burlington NJ-
244 PM EDT Sat Jul 6 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR WESTERN OCEAN AND EAST CENTRAL BURLINGTON COUNTIES...

At 243 PM EDT, a severe thunderstorm was located over Leisuretowne,
or 23 miles south of Trenton, moving east at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Tabernacle, Presidential Lakes Estates, Leisuretowne, Chatsworth, Old
Halfway and Presidential Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3981 7477 3995 7475 3991 7439 3976 7444
TIME...MOT...LOC 1843Z 274DEG 19KT 3989 7467 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

MPS
512 
WWUS51 KPHI 061853
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
253 PM EDT Sat Jul 6 2019

NJC005-029-061903-
/O.CAN.KPHI.SV.W.0199.000000T0000Z-190706T1915Z/
Ocean NJ-Burlington NJ-
253 PM EDT Sat Jul 6 2019

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN OCEAN AND EAST CENTRAL
BURLINGTON 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.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 3981 7477 3995 7475 3991 7439 3976 7444
TIME...MOT...LOC 1849Z 286DEG 17KT 3988 7461 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 1:28 PM EDTAreal Flood AdvisoryPHIOcean3 hr
Jul 6, 1:46 PM EDTFlash Flood WarningPHIOcean4 hr
Jul 6, 1:52 PM EDTSpecial Marine WarningPHI53 min
Jul 6, 2:05 PM EDTSpecial Weather StatementPHIBurlington25 min
Jul 6, 2:06 PM EDTSpecial Weather StatementPHIMonmouth24 min
Jul 6, 2:07 PM EDTSpecial Marine WarningPHI53 min
Jul 6, 2:10 PM EDTSpecial Weather StatementPHIOcean35 min
Jul 6, 2:13 PM EDTSpecial Weather StatementPHICumberland47 min
Jul 6, 2:17 PM EDTAreal Flood AdvisoryPHIBurlington, Camden2 hr
Jul 6, 2:22 PM EDTSpecial Marine WarningPHI53 min
Jul 6, 2:26 PM EDTSevere Thunderstorm WarningPHIMonmouth34 min
Jul 6, 2:28 PM EDTSevere Thunderstorm WarningPHIAtlantic, Ocean47 min
Jul 6, 2:29 PM EDTSpecial Marine WarningPHI61 min
Jul 6, 2:40 PM EDTSpecial Marine WarningPHI31 min
Jul 6, 2:58 PM EDTSpecial Marine WarningPHI62 min
Jul 6, 3:04 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Ocean26 min
Jul 6, 3:22 PM EDTSevere Thunderstorm WarningPHIAtlantic, Ocean37 min
Jul 6, 3:43 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren47 min
Jul 6, 3:55 PM EDTTornado WarningPHICamden, Gloucester, Salem50 min
Jul 6, 4:08 PM EDTTornado WarningPHIHunterdon25 min
Jul 6, 4:28 PM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset21 min
Jul 6, 4:39 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem32 min
Jul 6, 4:41 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren49 min
Jul 6, 4:45 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Gloucester4 hr
Jul 6, 4:49 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Somerset, Sussex, Warren4 hr
Jul 6, 4:54 PM EDTAreal Flood AdvisoryPHIBurlington, Hunterdon, Mercer, Somerset, Warren4 hr
Jul 6, 5:04 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem17 min
Jul 6, 5:25 PM EDTSevere Thunderstorm WarningPHIMercer50 min
Jul 6, 5:32 PM EDTFlash Flood WarningPHIWarren4 hr
Jul 6, 5:44 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jul 6, 5:49 PM EDTAreal Flood AdvisoryPHISalem4 hr
Jul 6, 6:13 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer15 min
Jul 6, 6:22 PM EDTSevere Thunderstorm WarningPHISussex, Warren38 min
Jul 6, 6:42 PM EDTSevere Thunderstorm WarningPHIGloucester30 min
Jul 6, 6:53 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren67 min
Jul 6, 7:33 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem42 min
Jul 6, 7:45 PM EDTSpecial Weather StatementPHIHunterdon, Somerset45 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.