Alert archive / New Jersey / Tornado Warnings in 2019

Tornado Warning 28, NWS Philadelphia/Mount Holly

July 6, 20194 counties in New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Jul 6, 2019, 8:03 PM EDT for 4 counties in New Jersey. It was in force for 27 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, 8:03 PM EDT (00:03 UTC)
Expired: Jul 6, 2019, 8:30 PM EDT
In force: 27 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

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

The radar

The Philadelphia radar (KDIX), 47 km from the middle of the area, began a volume at 00:06 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.1 hours before the alert went out and 199 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: 1541 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1007 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

170 
WFUS51 KPHI 070003
TORPHI
NJC001-005-007-015-070030-
/O.NEW.KPHI.TO.W.0028.190707T0003Z-190707T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
803 PM EDT Sat Jul 6 2019

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Northwestern Atlantic County in southern New Jersey...
  Southeastern Camden County in southern New Jersey...
  East central Gloucester County in southern New Jersey...
  Southeastern Burlington County in southern New Jersey...

* Until 830 PM EDT.
    
* At 803 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Chesilhurst, or 16 miles northeast of Vineland,
  moving east at 30 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Hammonton, Shamong, Egg Harbor City, Chesilhurst, Atco, Batsto,
  Wharton State Forest, Elwood-Magnolia, Atsion, Williamstown, Folsom
  and Collings Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

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

&&

LAT...LON 3961 7498 3977 7494 3979 7450 3951 7464
TIME...MOT...LOC 0003Z 274DEG 26KT 3968 7486 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

MPS

1 follow-up statement

952 
WWUS51 KPHI 070021
SVSPHI

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

NJC001-005-007-015-070030-
/O.EXP.KPHI.TO.W.0028.000000T0000Z-190707T0030Z/
Atlantic NJ-Camden NJ-Gloucester NJ-Burlington NJ-
821 PM EDT Sat Jul 6 2019

...THE TORNADO WARNING FOR NORTHWESTERN ATLANTIC...SOUTHEASTERN
CAMDEN...EAST CENTRAL GLOUCESTER AND SOUTHEASTERN BURLINGTON COUNTIES
WILL EXPIRE AT 830 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
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.

LAT...LON 3961 7498 3977 7494 3979 7450 3951 7464
TIME...MOT...LOC 0020Z 274DEG 26KT 3967 7470 

$$

MPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 8:25 PM EDT	Special Marine Warning	PHI		65 min
Jul 6, 8:58 PM EDT	Areal Flood Advisory	PHI	Cumberland	3 hr
Jul 6, 9:02 PM EDT	Special Weather Statement	PHI	Cape May	43 min
Jul 6, 9:03 PM EDT	Special Marine Warning	PHI		87 min
Jul 6, 9:21 PM EDT	Special Marine Warning	PHI		54 min
Jul 6, 9:44 PM EDT	River Flood Warning	PHI	Burlington	16 hr
Jul 6, 10:22 PM EDT	Special Marine Warning	PHI		83 min
Jul 6, 10:24 PM EDT	Special Weather Statement	PHI	Cape May	36 min
Jul 7, 2:03 PM EDT	Areal Flood Advisory	PHI	Cumberland	117 min
Jul 7, 3:25 PM EDT	Small Craft Advisory	PHI		34 hr

Nearby

Tornado Warnings in New Jersey, 2019 Every tornado warning in 2019 Tornadoes 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.