Alert archive / New Jersey / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 45, NWS Philadelphia/Mount Holly

July 3, 2018Burlington County, Camden County, Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 3, 2018, 6:46 PM EDT for Burlington County, Camden County, Gloucester County, New Jersey. It was in force for 44 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 3, 2018, 6:46 PM EDT (22:46 UTC)
Expired: Jul 3, 2018, 7:30 PM EDT
In force: 44 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ

What was reported inside it

Time	Report	Where	Remark
Jul 3, 7:10 PM EDT	TSTM WND DMG	Washington Twp, NJ	SEVERAL REPORTS OF TREES DOWN ACROSS WASHINGTON TOWNSHIP. TIME ESTIMATED FROM RADAR

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, 10.8 hours before the alert went out and 206 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1744 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 815 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

868 
WUUS51 KPHI 032246
SVRPHI
NJC005-007-015-032330-
/O.NEW.KPHI.SV.W.0045.180703T2246Z-180703T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
646 PM EDT TUE JUL 3 2018

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central Camden County in southern New Jersey...
  Eastern Gloucester County in southern New Jersey...
  Southwestern Burlington County in southern New Jersey...

* Until 730 PM EDT.

* At 646 PM EDT, a severe thunderstorm was located over Lindenwold,
  or 7 miles southeast of Gloucester City, moving southeast at 5 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Voorhees, Glassboro, Lindenwold, Pitman, Clayton, Berlin, Magnolia,
  Chesilhurst, Franklinville, Sicklerville, Echelon, Ashland,
  Springdale, Atco, Williamstown, Greentree, Marlton Lakes,
  Turnersville, Monroe Township and Barclay-Kingston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

&&

LAT...LON 3978 7518 3991 7497 3974 7477 3959 7506
TIME...MOT...LOC 2246Z 325DEG 5KT 3980 7504 

HAIL...1.00IN
WIND...60MPH
 
$$

SFJ

2 follow-up statements

570 
WWUS51 KPHI 032312
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
712 PM EDT TUE JUL 3 2018

NJC005-007-015-032330-
/O.CON.KPHI.SV.W.0045.000000T0000Z-180703T2330Z/
Camden NJ-Gloucester NJ-Burlington NJ-
712 PM EDT TUE JUL 3 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR CENTRAL CAMDEN...EASTERN GLOUCESTER AND SOUTHWESTERN BURLINGTON
COUNTIES...

At 711 PM EDT, a severe thunderstorm was located over Turnersville,
or 10 miles southeast of Gloucester City, moving southeast at 5 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Voorhees, Glassboro, Lindenwold, Pitman, Clayton, Berlin, Magnolia,
Chesilhurst, Franklinville, Sicklerville, Echelon, Ashland,
Springdale, Atco, Williamstown, Greentree, Marlton Lakes,
Turnersville, Monroe Township and Barclay-Kingston.

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.

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

&&

LAT...LON 3978 7518 3991 7497 3974 7477 3959 7506
TIME...MOT...LOC 2311Z 325DEG 5KT 3977 7501 

HAIL...0.88IN
WIND...60MPH
 
$$

SFJ

437 
WWUS51 KPHI 032325
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
725 PM EDT TUE JUL 3 2018

NJC005-007-015-032334-
/O.EXP.KPHI.SV.W.0045.000000T0000Z-180703T2330Z/
Camden NJ-Gloucester NJ-Burlington NJ-
725 PM EDT TUE JUL 3 2018

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CAMDEN...EASTERN
GLOUCESTER AND SOUTHWESTERN BURLINGTON COUNTIES WILL EXPIRE AT 730 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 heavy rain
is still possible with this thunderstorm.

LAT...LON 3978 7518 3991 7497 3974 7477 3959 7506
TIME...MOT...LOC 2324Z 325DEG 5KT 3976 7500 

$$

Meola

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 2:33 PM EDT	Special Weather Statement	PHI	Union	27 min
Jul 3, 2:57 PM EDT	Special Weather Statement	PHI	Morris	63 min
Jul 3, 3:19 PM EDT	Flash Flood Warning	PHI	Morris	3 hr
Jul 3, 3:28 PM EDT	Special Weather Statement	PHI	Salem	62 min
Jul 3, 3:30 PM EDT	Special Weather Statement	PHI	Burlington	60 min
Jul 3, 3:43 PM EDT	Flash Flood Warning	PHI	Morris	2 hr
Jul 3, 4:49 PM EDT	Special Weather Statement	PHI	Somerset	56 min
Jul 3, 4:52 PM EDT	Special Weather Statement	PHI	Mercer	53 min
Jul 3, 4:57 PM EDT	Flash Flood Warning	PHI	Hunterdon, Somerset	114 min
Jul 3, 5:24 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	4 hr
Jul 3, 5:29 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Somerset	4 hr
Jul 3, 5:45 PM EDT	Flash Flood Warning	PHI	Camden, Gloucester	4 hr
Jul 3, 5:47 PM EDT	Flash Flood Warning	PHI	Hunterdon, Mercer, Middlesex, Somerset	2 hr
Jul 3, 5:57 PM EDT	Special Weather Statement	PHI	Gloucester	33 min
Jul 3, 6:03 PM EDT	Special Weather Statement	PHI	Sussex	57 min
Jul 3, 6:11 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester	49 min
Jul 3, 6:25 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	50 min
Jul 3, 6:37 PM EDT	Flash Flood Warning	PHI	Burlington, Camden	3 hr
Jul 3, 6:58 PM EDT	Flash Flood Warning	PHI	Burlington, Camden, Gloucester	49 min
Jul 3, 7:03 PM EDT	Special Weather Statement	PHI	Warren	57 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2018 Every severe thunderstorm warning in 2018

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.