Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 58, NWS Philadelphia/Mount Holly

June 3, 2020Sussex County, Warren County, New Jersey; Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 3, 2020, 7:11 PM EDT for Sussex County, Warren County, New Jersey; Monroe County, Pennsylvania. It was in force for 64 min. 2 reports 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: Jun 3, 2020, 7:11 PM EDT (23:11 UTC)
Expired: Jun 3, 2020, 8:15 PM EDT
In force: 64 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA

The radar

The Philadelphia radar (KDIX), 137 km from the middle of the area, began a volume at 23:11 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.

What was reported inside it

Time	Report	Where	Remark
Jun 3, 7:43 PM EDT	TSTM WND DMG	3 W Wantage Twp, NJ	DOWNED TREES AND WIRES NEAR ROUTE 519 AND NEILSON ROAD. TIME ESTIMATED FROM RADAR.
Jun 3, 7:56 PM EDT	TSTM WND DMG	Vernon, NJ	SEVERAL REPORTS OF TREE LIMBS AND POWER LINES DOWN NEAR ROUTE 515 AND VERNON CROSSING ROAD. 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

Brookhaven, NY (KOKX), launched 12:00Z, 11.2 hours before the alert went out and 169 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1089 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 247 m²/s²
0-3 km storm-relative helicity: 376 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

253 
WUUS51 KPHI 032311
SVRPHI
NJC037-041-PAC089-040015-
/O.NEW.KPHI.SV.W.0058.200603T2311Z-200604T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
711 PM EDT Wed Jun 3 2020

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Sussex County in northwestern New Jersey...
  Northeastern Warren County in northwestern New Jersey...
  Northeastern Monroe County in northeastern Pennsylvania...

* Until 815 PM EDT.

* At 710 PM EDT, severe thunderstorms were located along a line
  extending from near Rock Hill to near Eldred to Greentown to
  Scranton, moving southeast at 45 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Newton, Montague, Hopatcong, Franklin, Stanhope, Hamburg, Netcong,
  Ogdensburg, Sussex, Branchville, Andover, High Point, Lake Mohawk,
  Werry Lake, Greendell, Millbrook, Skytop, Vernon Valley,
  Mountainhome and Pellettown.

This includes Interstate 80 in New Jersey between mile markers 21 and
23.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

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

&&

LAT...LON 4120 7437 4097 7464 4092 7466 4090 7471
      4092 7473 4091 7477 4107 7513 4123 7541
      4125 7513 4115 7515 4114 7509 4108 7503
      4116 7490 4124 7486 4132 7480 4135 7475
      4136 7469
TIME...MOT...LOC 2310Z 304DEG 39KT 4157 7462 4153 7497 4134 7530 4138
7565

HAIL...0.75IN
WIND...60MPH
 
$$

Gorse

3 follow-up statements

227 
WWUS51 KPHI 032340
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
740 PM EDT Wed Jun 3 2020

NJC037-041-PAC089-040015-
/O.CON.KPHI.SV.W.0058.000000T0000Z-200604T0015Z/
Sussex NJ-Warren NJ-Monroe PA-
740 PM EDT Wed Jun 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SUSSEX...NORTHEASTERN WARREN AND EAST CENTRAL MONROE COUNTIES...

At 740 PM EDT, severe thunderstorms were located along a line
extending from near Chester to High Point to near Sussex to near
Crandon Lakes to near Alpine Mountain, moving southeast at 50 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Newton, Montague, Hopatcong, Franklin, Stanhope, Hamburg, Netcong,
Ogdensburg, Sussex, Branchville, Andover, High Point, Lake Mohawk,
Werry Lake, Greendell, Millbrook, Vernon Valley, Pellettown, Crandon
Lakes and Hainesville.

This includes Interstate 80 in New Jersey between mile markers 21 and
23.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

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

&&

LAT...LON 4120 7437 4097 7464 4092 7466 4090 7471
      4092 7473 4091 7477 4107 7513 4115 7515
      4114 7509 4108 7503 4116 7490 4124 7486
      4132 7480 4135 7475 4136 7469
TIME...MOT...LOC 2340Z 301DEG 42KT 4140 7426 4132 7464 4124 7470 4117
7483 4116 7516

HAIL...0.75IN
WIND...60MPH
 
$$

Gorse

233 
WWUS51 KPHI 032347 RRA
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
747 PM EDT Wed Jun 3 2020

NJC037-041-PAC089-040015-
/O.CON.KPHI.SV.W.0058.000000T0000Z-200604T0015Z/
Sussex NJ-Warren NJ-Monroe PA-
747 PM EDT Wed Jun 3 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SUSSEX...NORTHEASTERN WARREN AND EAST CENTRAL MONROE COUNTIES...

At 747 PM EDT, severe thunderstorms were located along a line
extending from near Monroe to Unionville to Sussex to Branchville to
near Werry Lake, moving southeast at 45 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Newton, Montague, Hopatcong, Franklin, Stanhope, Hamburg, Netcong,
Ogdensburg, Sussex, Branchville, Andover, High Point, Lake Mohawk,
Werry Lake, Greendell, Millbrook, Vernon Valley, Pellettown, Crandon
Lakes and Hainesville.

This includes Interstate 80 in New Jersey between mile markers 21 and
23.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 4120 7437 4097 7464 4092 7466 4090 7471
      4092 7473 4091 7477 4107 7513 4115 7515
      4114 7509 4108 7503 4116 7490 4124 7486
      4132 7480 4135 7475 4136 7469
TIME...MOT...LOC 2347Z 304DEG 39KT 4136 7419 4128 7457 4120 7463 4113
7476 4112 7509

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
 
$$

Gorse

179 
WWUS51 KPHI 040006
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
806 PM EDT Wed Jun 3 2020

NJC037-041-PAC089-040015-
/O.EXP.KPHI.SV.W.0058.000000T0000Z-200604T0015Z/
Sussex NJ-Warren NJ-Monroe PA-
806 PM EDT Wed Jun 3 2020

...THE SEVERE THUNDERSTORM WARNING FOR SUSSEX...NORTHEASTERN WARREN
AND EAST CENTRAL MONROE COUNTIES WILL EXPIRE AT 815 PM EDT...
    
The storms which prompted the warning have moved out of the area, 
however another warning remains in effect to the east.

LAT...LON 4120 7437 4097 7464 4092 7466 4090 7471
      4092 7473 4091 7477 4107 7513 4115 7515
      4114 7509 4108 7503 4116 7490 4124 7486
      4132 7480 4135 7475 4136 7469
TIME...MOT...LOC 0005Z 304DEG 39KT 4125 7398 4117 7436 4109 7442 4102
7455 4101 7488

$$

Gorse

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 12:24 AM EDT	Special Weather Statement	PHI	Warren	51 min
Jun 3, 1:08 AM EDT	Special Weather Statement	PHI	Somerset	37 min
Jun 3, 1:44 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Middlesex, Morris, Somerset, Warren	3 hr
Jun 3, 9:48 AM EDT	Small Craft Advisory	PHI		8 hr
Jun 3, 11:04 AM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	41 min
Jun 3, 11:38 AM EDT	Severe Thunderstorm Warning	PHI	Hunterdon	37 min
Jun 3, 11:59 AM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth and 1 more	46 min
Jun 3, 12:06 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	39 min
Jun 3, 12:35 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Mercer, Middlesex, Monmouth, Ocean and 1 more	55 min
Jun 3, 12:38 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	69 min
Jun 3, 12:43 PM EDT	Special Marine Warning	PHI		43 min
Jun 3, 1:01 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	28 min
Jun 3, 1:14 PM EDT	Special Marine Warning	PHI		61 min
Jun 3, 1:14 PM EDT	Special Weather Statement	PHI	Cape May, Cumberland	61 min
Jun 3, 1:20 PM EDT	Special Marine Warning	PHI		55 min
Jun 3, 2:11 PM EDT	Special Marine Warning	PHI		34 min
Jun 3, 7:02 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Cumberland, Gloucester, Salem	58 min
Jun 3, 7:21 PM EDT	Tornado Warning	PHI	Burlington, Camden, Gloucester	24 min
Jun 3, 7:53 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	36 min
Jun 3, 7:55 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more	33 min
Jun 3, 11:29 AM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	46 min
Jun 3, 5:46 PM EDT	Severe Thunderstorm Warning	PHI	Berks	44 min
Jun 3, 6:26 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	64 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2020 Severe Thunderstorm Warnings in Pennsylvania, 2020 Every severe thunderstorm warning in 2020

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; radar from the NEXRAD Level II archive.