Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 201, NWS Philadelphia/Mount Holly

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

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2019, 2:28 PM EDT for Atlantic County, Ocean County, New Jersey. It was in force for 47 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, 2:28 PM EDT (18:28 UTC)
Expired
Jul 6, 2019, 3:15 PM EDT
In force
47 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, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 45 km from the middle of the area, began a volume at 18:31 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, 6.5 hours before the alert went out and 192 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.

739 
WUUS51 KPHI 061828
SVRPHI
NJC001-029-061915-
/O.NEW.KPHI.SV.W.0201.190706T1828Z-190706T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
228 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...
  Southeastern Ocean County in southern New Jersey...

* Until 315 PM EDT.

* At 228 PM EDT, severe thunderstorms were located along a line
  extending from near Barnegat to near Tuckerton to Absecon, moving
  east at 25 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, Barnegat, Pleasantville, Brigantine, Northfield,
  Absecon, Tuckerton, Surf City, Port Republic, Pomona, Bass River
  State Forest, Beach Haven West, Mystic Island, Ocean Acres,
  Manahawkin and Waretown.

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

&&

LAT...LON 3966 7418 3958 7434 3961 7420 3950 7434
      3956 7441 3955 7442 3942 7436 3949 7431
      3947 7430 3939 7438 3946 7445 3938 7443
      3936 7466 3984 7422 3988 7408
TIME...MOT...LOC 1828Z 255DEG 20KT 3980 7419 3964 7431 3944 7452 

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

MPS
2 follow-up statements
915 
WWUS51 KPHI 061846
SVSPHI

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

NJC001-029-061915-
/O.CON.KPHI.SV.W.0201.000000T0000Z-190706T1915Z/
Atlantic NJ-Ocean NJ-
246 PM EDT Sat Jul 6 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHEASTERN ATLANTIC AND SOUTHEASTERN OCEAN COUNTIES...

At 246 PM EDT, severe thunderstorms were located along a line
extending from near Barnegat to near Beach Haven West to near
Absecon, 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...
Atlantic City, Barnegat, Pleasantville, Brigantine, Northfield,
Absecon, Tuckerton, Surf City, Beach Haven West, Mystic Island,
Manahawkin and Waretown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3938 7443 3937 7461 3963 7434 3985 7417
      3988 7408 3966 7418 3958 7434 3961 7420
      3950 7434 3956 7440 3954 7442 3942 7436
      3949 7431 3947 7430 3939 7438 3946 7445
TIME...MOT...LOC 1846Z 255DEG 16KT 3981 7414 3965 7426 3945 7447 

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

MPS
832 
WWUS51 KPHI 061906
SVSPHI

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

NJC001-029-061915-
/O.EXP.KPHI.SV.W.0201.000000T0000Z-190706T1915Z/
Atlantic NJ-Ocean NJ-
306 PM EDT Sat Jul 6 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ATLANTIC AND
SOUTHEASTERN OCEAN COUNTIES WILL EXPIRE AT 315 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with these thunderstorms.

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 
South Central Ocean County until 3:30 pm EDT.

LAT...LON 3938 7443 3937 7461 3963 7434 3985 7417
      3988 7408 3966 7418 3958 7434 3961 7420
      3950 7434 3956 7440 3954 7442 3942 7436
      3949 7431 3947 7430 3939 7438 3946 7445
TIME...MOT...LOC 1905Z 255DEG 20KT 3983 7402 3967 7414 3947 7435 

$$

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, 2:29 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.