Alert archive / New Jersey / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 90, NWS Philadelphia/Mount Holly

July 13, 2017Burlington County, Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 13, 2017, 6:44 PM EDT for Burlington County, Monmouth County, Ocean County, New Jersey. It was in force for 45 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 13, 2017, 6:44 PM EDT (22:44 UTC)
Expired
Jul 13, 2017, 7:29 PM EDT
In force
45 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Burlington County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 18 km from the middle of the area, began a volume at 22:48 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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 13, 2:57 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.7 hours before the alert went out and 148 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 2017-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 572 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 2017-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.193958Sfc1 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
572 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1449 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

313 
WUUS51 KPHI 132244
SVRPHI
NJC005-025-029-132345-
/O.NEW.KPHI.SV.W.0090.170713T2244Z-170713T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
644 PM EDT THU JUL 13 2017

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Ocean County in southern New Jersey...
  Northeastern Burlington County in southern New Jersey...
  Southern Monmouth County in central New Jersey...

* Until 745 PM EDT

* At 644 PM EDT, a severe thunderstorm was located near Browns Mills,
  or 17 miles southeast of Trenton, moving east at 35 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* This severe thunderstorm will be near,
  Woodruff around 650 PM EDT. 
  Cassville around 655 PM EDT. 
  Cedar Glen Lakes and Whiting around 700 PM EDT. 
  Jackson, Lakehurst, Cedar Glen West and Bamber Lake around 705 PM 
  EDT. 
  Holiday City-Berkeley, Leisure Village West-Pine Lake Park and 
  Pine Ridge At Crestwood around 710 PM EDT. 
  Toms River, Beachwood, Pleasant Plains, Holiday City South, 
  Leisure Village and Leisure Village East around 715 PM EDT. 
  Brick Township around 720 PM EDT. 
  Seaside Heights, Mantoloking, Dover Beaches South and Dover 
  Beaches North around 725 PM EDT. 

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

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.

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 4010 7401 3976 7409 3995 7467 4014 7460
      4017 7401
TIME...MOT...LOC 2244Z 279DEG 32KT 4003 7455 

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

Robertson
2 follow-up statements
749 
WWUS51 KPHI 132304
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
704 PM EDT THU JUL 13 2017

NJC005-025-029-132345-
/O.CON.KPHI.SV.W.0090.000000T0000Z-170713T2345Z/
Ocean NJ-Burlington NJ-Monmouth NJ-
704 PM EDT THU JUL 13 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR OCEAN...NORTHEASTERN BURLINGTON AND SOUTHEASTERN MONMOUTH
COUNTIES...

At 704 PM EDT, a severe thunderstorm was located over Lakehurst, or 7
miles northwest of Toms River, moving east at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

This severe storm will be near...
  Toms River, Beachwood, Pleasant Plains, Holiday City South, 
  Leisure Village and Leisure Village East around 715 PM EDT. 
  Brick Township around 720 PM EDT. 
  Seaside Heights, Mantoloking, Dover Beaches South and Dover 
  Beaches North around 725 PM EDT. 

Other locations impacted by this severe thunderstorm include Silver
Ridge, Brielle, Point Pleasant, Leisure Knoll, Crestwood Village,
Gilford Park, South Toms River, Bay Head, Holiday City and Spring
Lake.

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 4004 7403 3976 7409 3991 7455 4015 7439
      4017 7401
TIME...MOT...LOC 2304Z 279DEG 32KT 4000 7431 

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

Robertson
219 
WWUS51 KPHI 132329
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
729 PM EDT THU JUL 13 2017

NJC005-025-029-132338-
/O.CAN.KPHI.SV.W.0090.000000T0000Z-170713T2345Z/
Ocean NJ-Burlington NJ-Monmouth NJ-
729 PM EDT THU JUL 13 2017

...THE SEVERE THUNDERSTORM WARNING FOR OCEAN...NORTHEASTERN
BURLINGTON AND SOUTHEASTERN MONMOUTH COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe 
limits. Therefore, the warning has been cancelled.  However gusty 
winds and heavy rain are still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 900 PM EDT for
southern and central New Jersey.

LAT...LON 4004 7403 3976 7409 3991 7455 4015 7439
      4017 7401
TIME...MOT...LOC 2327Z 279DEG 32KT 3996 7403 

$$

Robertson

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 8:22 PM EDTSpecial Weather StatementPHIMorris53 min
Jul 12, 9:17 PM EDTSpecial Weather StatementPHIMorris28 min
Jul 13, 3:25 PM EDTSpecial Weather StatementPHISussex50 min
Jul 13, 3:28 PM EDTSpecial Weather StatementPHIMiddlesex47 min
Jul 13, 3:58 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jul 13, 4:06 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Somerset, Sussex, Warren114 min
Jul 13, 4:40 PM EDTSpecial Weather StatementPHIHunterdon, Middlesex, Somerset50 min
Jul 13, 4:50 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset55 min
Jul 13, 4:50 PM EDTSevere Thunderstorm WarningPHIBurlington40 min
Jul 13, 4:58 PM EDTSpecial Marine WarningPHI62 min
Jul 13, 5:07 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Mercer, Middlesex, Monmouth, Ocean7 hr
Jul 13, 5:14 PM EDTSpecial Weather StatementPHIMercer46 min
Jul 13, 5:21 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean54 min
Jul 13, 5:31 PM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean3 hr
Jul 13, 5:33 PM EDTSpecial Marine WarningPHI87 min
Jul 13, 5:39 PM EDTSpecial Weather StatementPHIMercer36 min
Jul 13, 6:07 PM EDTSpecial Weather StatementPHIAtlantic23 min
Jul 13, 6:07 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean25 min
Jul 13, 6:09 PM EDTSpecial Marine WarningPHI66 min
Jul 13, 6:20 PM EDTSpecial Weather StatementPHIBurlington40 min
Jul 13, 6:28 PM EDTSpecial Weather StatementPHIMercer47 min
Jul 13, 6:55 PM EDTSpecial Marine WarningPHI95 min
Jul 13, 7:00 PM EDTSpecial Marine WarningPHI90 min
Jul 13, 7:12 PM EDTSpecial Weather StatementPHICamden48 min
Jul 13, 7:55 PM EDTSpecial Weather StatementPHIOcean35 min
Jul 13, 7:58 PM EDTSpecial Weather StatementPHICumberland32 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.