Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 202, NWS Philadelphia/Mount Holly

July 6, 2019Atlantic County, Cape May County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2019, 3:04 PM EDT for Atlantic County, Cape May County, Ocean County, New Jersey. It was in force for 26 min. 1 report 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
Jul 6, 2019, 3:04 PM EDT (19:04 UTC)
Expired
Jul 6, 2019, 3:30 PM EDT
In force
26 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Atlantic County, NJ, Cape May County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 58 km from the middle of the area, began a volume at 19:07 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
Jul 6, 3:23 PM EDTMARINE TSTM WIND 472 Nne Strathmere, NJWEATHERFLOW.

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.1 hours before the alert went out and 186 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 12:00Z on 2019-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 858 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 12:00Z on 2019-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
858 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
755 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

369 
WUUS51 KPHI 061904
SVRPHI
NJC001-009-029-061930-
/O.NEW.KPHI.SV.W.0202.190706T1904Z-190706T1930Z/

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

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southeastern Atlantic County in southern New Jersey...
  South central Ocean County in southern New Jersey...
  Northeastern Cape May County in southern New Jersey...

* Until 330 PM EDT.

* At 304 PM EDT, a severe thunderstorm was located over Northfield,
  or near Atlantic City, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Atlantic City, Ocean City, Pleasantville, Somers Point, Ventnor
  City, Brigantine, Northfield, Absecon, Margate City, Sea Isle City,
  Estell Manor, Port Republic, Longport, Corbin City, Pomona,
  Beesleys Point, English Creek, Seaville, Marmora and Strathmere.

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 this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3939 7437 3930 7454 3933 7468 3927 7459
      3929 7455 3928 7456 3915 7472 3946 7471
      3955 7441 3949 7438 3943 7440 3941 7440
      3944 7435 3954 7433 3955 7440 3957 7434
      3957 7428 3951 7429 3960 7421
TIME...MOT...LOC 1904Z 257DEG 25KT 3937 7455 

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

MPS
1 follow-up statement
392 
WWUS51 KPHI 061924
SVSPHI

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

NJC001-009-029-061933-
/O.EXP.KPHI.SV.W.0202.000000T0000Z-190706T1930Z/
Atlantic NJ-Ocean NJ-Cape May NJ-
324 PM EDT Sat Jul 6 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ATLANTIC...SOUTH
CENTRAL OCEAN AND NORTHEASTERN CAPE MAY COUNTIES WILL EXPIRE AT 330
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 gusty
winds and heavy rain are still possible with this thunderstorm.

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

Remember, a Severe Thunderstorm Warning still remains in effect for 
Southeastern Atlantic and South central Ocean Counties until 4:15 pm 
EDT.

LAT...LON 3939 7437 3930 7454 3933 7468 3927 7459
      3929 7455 3928 7456 3915 7472 3946 7471
      3955 7441 3949 7438 3943 7440 3941 7440
      3944 7435 3954 7433 3955 7440 3957 7434
      3957 7428 3951 7429 3960 7421
TIME...MOT...LOC 1923Z 257DEG 25KT 3940 7439 

$$

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, 2:25 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Ocean28 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, 3:22 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.