Alert archive / New Jersey / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 129, NWS Philadelphia/Mount Holly

July 24, 2017Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 24, 2017, 3:55 AM EDT for Burlington County, Ocean County, New Jersey. It was in force for 50 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 24, 2017, 3:55 AM EDT (07:55 UTC)
Expired
Jul 24, 2017, 4:45 AM EDT
In force
50 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 30 km from the middle of the area, began a volume at 07:56 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 00:00Z, 7.9 hours before the alert went out and 181 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 00:00Z on 2017-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2017-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.19395878Sfc1 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
725 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

972 
WUUS51 KPHI 240755
SVRPHI
NJC005-029-240845-
/O.NEW.KPHI.SV.W.0129.170724T0755Z-170724T0845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
355 AM EDT MON JUL 24 2017

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Ocean County in southern New Jersey...
  Southeastern Burlington County in southern New Jersey...

* Until 445 AM EDT

* At 354 AM EDT, severe thunderstorms were located along a line
  extending from near Tabernacle to near Bass River State Forest to
  near New Gretna, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to trees and power lines. 

* Severe thunderstorms will be near,
  Tuckerton and Warren Grove around 400 AM EDT. 
  Brookville and Browns Mills around 405 AM EDT. 
  Barnegat, Old Halfway and Beach Haven West around 410 AM EDT. 
  Surf City, Cedar Glen Lakes and Whiting around 415 AM EDT. 
  Bamber Lake around 420 AM EDT. 
  Lakehurst, Holiday City-Berkeley, Pine Ridge At Crestwood, Leisure 
  Village West-Pine Lake Park and Holiday City South around 425 AM 
  EDT. 
  Toms River, Beachwood, Pleasant Plains and Cedar Glen West around 
  430 AM EDT. 
  Lakewood, Seaside Heights, Leisure Village, Leisure Village East 
  and Dover Beaches South around 435 AM EDT. 

Other locations impacted by these severe thunderstorms include
Country Lake Estates, Silver Ridge, Point Pleasant, Mystic Island,
Leisure Knoll, Crestwood Village, Ocean Acres, Gilford Park, South
Toms River and Bay Head.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to 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.

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

&&

LAT...LON 3969 7410 3955 7420 3950 7441 3955 7442
      3954 7443 3954 7445 3956 7445 3955 7446
      3987 7479 4009 7421 4008 7402
TIME...MOT...LOC 0754Z 243DEG 39KT 3984 7466 3969 7440 3954 7441 

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

JRK
2 follow-up statements
344 
WWUS51 KPHI 240817
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
417 AM EDT MON JUL 24 2017

NJC005-029-240845-
/O.CON.KPHI.SV.W.0129.000000T0000Z-170724T0845Z/
Ocean NJ-Burlington NJ-
417 AM EDT MON JUL 24 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM EDT
FOR OCEAN AND EAST CENTRAL BURLINGTON COUNTIES...

At 417 AM EDT, severe thunderstorms were located along a line
extending from near Cedar Glen Lakes to near Barnegat to 6 miles
southeast of Tuckerton, moving northeast at 45 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines. 

These severe storms will be near...
  Lakehurst, Surf City, Holiday City-Berkeley, Leisure Village 
  West-Pine Lake Park and Holiday City South around 430 AM EDT. 
  Toms River, Beachwood, Pleasant Plains and Cedar Glen West around 
  435 AM EDT. 
  Lakewood, Seaside Heights, Leisure Village, Leisure Village East 
  and Dover Beaches South around 440 AM EDT. 
  Point Pleasant Beach, Mantoloking, Brick Township and Dover 
  Beaches North around 445 AM EDT. 

Other locations impacted by these severe thunderstorms include
Country Lake Estates, Silver Ridge, Point Pleasant, Leisure Knoll,
Crestwood Village, Gilford Park, South Toms River, Bay Head, Holiday
City and Island Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to 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.

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

&&

LAT...LON 3969 7410 3955 7420 3953 7428 3968 7423
      3976 7427 3976 7443 3995 7459 4009 7421
      4008 7403 4007 7402
TIME...MOT...LOC 0817Z 242DEG 39KT 3992 7443 3980 7413 3951 7427 

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

JRK
946 
WWUS51 KPHI 240835
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
435 AM EDT MON JUL 24 2017

NJC005-029-240845-
/O.EXP.KPHI.SV.W.0129.000000T0000Z-170724T0845Z/
Ocean NJ-Burlington NJ-
435 AM EDT MON JUL 24 2017

...THE SEVERE THUNDERSTORM WARNING FOR OCEAN AND EAST CENTRAL
BURLINGTON COUNTIES WILL EXPIRE AT 445 AM EDT...
    
The storms which prompted the warning have weakened below severe
limits and have exited the warned area. Therefore the warning will
be allowed to expire.  However heavy rain is still possible with
these thunderstorms.

LAT...LON 3969 7410 3955 7420 3953 7428 3968 7423
      3976 7427 3976 7443 3995 7459 4009 7421
      4008 7403 4007 7402
TIME...MOT...LOC 0835Z 242DEG 39KT 4001 7421 3989 7391 3950 7409 

$$

JRK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 9:39 PM EDTAreal Flood AdvisoryPHIGloucester, Salem4 hr
Jul 23, 10:18 PM EDTFlash Flood WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem8 hr
Jul 23, 10:23 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem52 min
Jul 23, 10:54 PM EDTSpecial Weather StatementPHIGloucester51 min
Jul 23, 11:38 PM EDTTornado WarningPHIAtlantic, Cape May37 min
Jul 23, 11:41 PM EDTSpecial Marine WarningPHI64 min
Jul 23, 11:43 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Ocean, Salem6 hr
Jul 23, 11:50 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Monmouth, Ocean6 hr
Jul 24, 12:04 AM EDTSevere Thunderstorm WarningPHIAtlantic, Cumberland, Gloucester, Salem41 min
Jul 24, 12:35 AM EDTSpecial Marine WarningPHI55 min
Jul 24, 12:56 AM EDTSpecial Weather StatementPHIAtlantic34 min
Jul 24, 1:23 AM EDTSpecial Marine WarningPHI97 min
Jul 24, 1:33 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Salem5 hr
Jul 24, 2:02 AM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem43 min
Jul 24, 2:08 AM EDTSpecial Marine WarningPHI97 min
Jul 24, 2:10 AM EDTSpecial Marine WarningPHI95 min
Jul 24, 2:34 AM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Cumberland, Gloucester, Salem41 min
Jul 24, 2:44 AM EDTSpecial Marine WarningPHI91 min
Jul 24, 3:00 AM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Salem4 hr
Jul 24, 3:03 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more57 min
Jul 24, 3:17 AM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Warren118 min
Jul 24, 3:21 AM EDTAreal Flood AdvisoryPHIBurlington, Mercer, Middlesex, Monmouth, Ocean3 hr
Jul 24, 3:34 AM EDTSpecial Marine WarningPHI116 min
Jul 24, 3:36 AM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 2 more6 hr
Jul 24, 9:30 AM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset60 min
Jul 24, 10:04 AM EDTSmall Craft Advisory for Hazardous SeasPHI8 hr
Jul 24, 10:40 AM EDTAreal Flood WarningPHICumberland10 hr
Jul 24, 2:55 PM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean11 hr
Jul 24, 7:07 PM EDTAreal Flood AdvisoryPHIHunterdon, Warren113 min
Jul 24, 7:48 PM EDTAreal Flood AdvisoryPHIHunterdon117 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2017Every severe thunderstorm warning in 2017

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.