Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 131, NWS Philadelphia/Mount Holly

June 17, 20194 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 17, 2019, 1:09 AM EDT for 4 counties in New Jersey. It was in force for 36 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: Jun 17, 2019, 1:09 AM EDT (05:09 UTC)
Expired: Jun 17, 2019, 1:45 AM EDT
In force: 36 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Atlantic County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 60 km from the middle of the area, began a volume at 05:11 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, 5.2 hours before the alert went out and 188 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: 803 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 1376 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 206 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

716 
WUUS51 KPHI 170509
SVRPHI
NJC001-011-015-033-170545-
/O.NEW.KPHI.SV.W.0131.190617T0509Z-190617T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
109 AM EDT Mon Jun 17 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Atlantic County in southern New Jersey...
  North central Cumberland County in southern New Jersey...
  East central Salem County in southern New Jersey...
  Southeastern Gloucester County in southern New Jersey...

* Until 145 AM EDT.

* At 109 AM EDT, a severe thunderstorm was located over Elmer, or 10
  miles northwest of Vineland, moving east at 40 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...
  Vineland, Hammonton, Buena, Weymouth, Newfield, Elmer,
  Franklinville, Olivet, Malaga, Seabrook Farms, Folsom, Collings
  Lakes and Centerton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3949 7475 3951 7525 3961 7525 3963 7490
      3961 7487 3963 7485 3964 7474
TIME...MOT...LOC 0509Z 268DEG 33KT 3957 7514 

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

CMS

2 follow-up statements

509 
WWUS51 KPHI 170521
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
121 AM EDT Mon Jun 17 2019

NJC001-011-015-033-170545-
/O.CON.KPHI.SV.W.0131.000000T0000Z-190617T0545Z/
Atlantic NJ-Cumberland NJ-Salem NJ-Gloucester NJ-
121 AM EDT Mon Jun 17 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM EDT
FOR NORTHWESTERN ATLANTIC...NORTH CENTRAL CUMBERLAND...EAST CENTRAL
SALEM AND SOUTHEASTERN GLOUCESTER COUNTIES...

At 120 AM EDT, a severe thunderstorm was located over Newfield, or 7
miles north of Vineland, moving east at 40 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...
Vineland, Hammonton, Buena, Weymouth, Newfield, Franklinville,
Malaga, Folsom and Collings Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3950 7496 3953 7510 3962 7512 3963 7490
      3961 7487 3963 7485 3964 7474 3949 7475
TIME...MOT...LOC 0520Z 268DEG 33KT 3957 7500 

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

CMS

180 
WWUS51 KPHI 170536
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
136 AM EDT Mon Jun 17 2019

NJC001-011-015-033-170546-
/O.EXP.KPHI.SV.W.0131.000000T0000Z-190617T0545Z/
Atlantic NJ-Cumberland NJ-Salem NJ-Gloucester NJ-
136 AM EDT Mon Jun 17 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ATLANTIC...NORTH
CENTRAL CUMBERLAND...EAST CENTRAL SALEM AND SOUTHEASTERN GLOUCESTER
COUNTIES WILL EXPIRE AT 145 AM 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, gusty 
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 3950 7496 3953 7510 3962 7512 3963 7490
      3961 7487 3963 7485 3964 7474 3949 7475
TIME...MOT...LOC 0536Z 268DEG 33KT 3957 7483 

$$

CMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 9:10 PM EDT	Special Weather Statement	PHI	Cumberland	35 min
Jun 16, 9:17 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	28 min
Jun 16, 9:24 PM EDT	Special Marine Warning	PHI		18 min
Jun 16, 9:33 PM EDT	Special Weather Statement	PHI	Salem	27 min
Jun 16, 9:38 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Cumberland	33 min
Jun 16, 9:55 PM EDT	Special Marine Warning	PHI		50 min
Jun 16, 10:10 PM EDT	Special Weather Statement	PHI	Atlantic	35 min
Jun 17, 12:31 AM EDT	Special Weather Statement	PHI	Salem	29 min
Jun 17, 1:01 AM EDT	Special Weather Statement	PHI	Gloucester	29 min
Jun 17, 1:26 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic	31 min
Jun 17, 1:27 AM EDT	Special Marine Warning	PHI		48 min
Jun 17, 1:41 AM EDT	Special Weather Statement	PHI	Atlantic	34 min
Jun 17, 1:59 AM EDT	Special Weather Statement	PHI	Atlantic	31 min
Jun 17, 2:02 AM EDT	Special Marine Warning	PHI		58 min
Jun 17, 2:07 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	23 min
Jun 17, 2:35 AM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	40 min
Jun 17, 3:02 AM EDT	Special Weather Statement	PHI	Monmouth	13 min
Jun 17, 3:06 AM EDT	Special Marine Warning	PHI		54 min
Jun 17, 3:51 AM EDT	Flash Flood Watch	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	47 hr
Jun 17, 4:48 AM EDT	Special Weather Statement	PHI	Atlantic	27 min
Jun 17, 6:48 PM EDT	Special Weather Statement	PHI	Gloucester	42 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2019 Every 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.