Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 173, NWS Philadelphia/Mount Holly

June 29, 20194 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 29, 2019, 4:27 PM EDT for 4 counties in New Jersey. It was in force for 48 min. 10 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 29, 2019, 4:27 PM EDT (20:27 UTC)
Expired: Jun 29, 2019, 5:15 PM EDT
In force: 48 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 93 km from the middle of the area, began a volume at 20:28 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 29, 4:28 PM EDT	TSTM WND DMG	2 Sw Schooleys Mountain, NJ	DOWNED TREE NEAR THE INTERSECTION OF PLEASANT GROVE ROAD AND STEPHENBURG ROAD. TIME ESTIMATED FROM RADAR.
Jun 29, 4:30 PM EDT	TSTM WND DMG	1 W Stanhope, NJ	DOWNED TREE ON U.S. HIGHWAY 206 NORTH OF INTERSTATE 80. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR.
Jun 29, 4:34 PM EDT	TSTM WND DMG	Succasunna, NJ	DOWNED TREE ON STATE HIGHWAY 10 EASTBOUND NEAR MAIN STREET. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR.
Jun 29, 4:36 PM EDT	TSTM WND DMG	1 S Landing, NJ	DOWNED TREE ON U.S. HIGHWAY 46 EASTBOUND NEAR MAIN STREET. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR.
Jun 29, 4:36 PM EDT	TSTM WND DMG	2 Wnw Randolph, Nj, NJ	DOWNED TREE ON STATE HIGHWAY 10 WESTBOUND NEAR ARROWGATE DRIVE. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR.
Jun 29, 4:45 PM EDT	HAIL 0.25	Randolph, Nj, NJ
Jun 29, 4:54 PM EDT	TSTM WND DMG	1 N Basking Ridge, NJ	MPING REPORT OF TREE LIMBS DOWN AND PROPERTY DAMAGE FROM THUNDERSTORM DAMAGE AT THIS LOCATION. TIME ESTIMATED FROM RADAR.
Jun 29, 4:55 PM EDT	TSTM WND DMG	Bernards Twp, NJ	PHOTOS OF SEVERAL TREES DOWN IN THE AREA. TIME ESTIMATED FROM RADAR.
Jun 29, 4:56 PM EDT	TSTM WND DMG	Basking Ridge, NJ	A TREE AND A FEW LARGE LIMBS DOWN. TIME ESTIMATED FROM RADAR.
Jun 29, 4:56 PM EDT	TSTM WND DMG	Morristown, NJ	DOWNED TREE ON INTERSTATE 287 NORTHBOUND RAMP TO EXIT 36. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 29, 12:08 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.5 hours before the alert went out and 154 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: 1180 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1077 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted.

522 
WUUS51 KPHI 292027
SVRPHI
NJC027-035-037-041-292115-
/O.NEW.KPHI.SV.W.0173.190629T2027Z-190629T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
427 PM EDT Sat Jun 29 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southern Morris County in northern New Jersey...
  South central Sussex County in northwestern New Jersey...
  East central Warren County in northwestern New Jersey...
  North central Somerset County in northern New Jersey...

* Until 515 PM EDT.

* At 427 PM EDT, a severe thunderstorm was located over Budd Lake, or
  10 miles south of Newton, moving southeast at 30 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...
  Morristown, Madison, Hackettstown, Morris Plains, Mendham,
  Stanhope, Netcong, Peapack And Gladstone, Chester, Far Hills,
  Allamuchy-Panther Valley, Succasunna, Succasunna-Kenvil, Long
  Valley, Budd Lake, Millington, Basking Ridge, Beatyestown,
  Bernardsville and Beattyestown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4079 7440 4062 7456 4070 7472 4072 7473
      4072 7474 4073 7476 4074 7480 4079 7490
      4096 7482
TIME...MOT...LOC 2027Z 300DEG 24KT 4090 7477 

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

PF

2 follow-up statements

420 
WWUS51 KPHI 292058
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
458 PM EDT Sat Jun 29 2019

NJC037-041-292107-
/O.CAN.KPHI.SV.W.0173.000000T0000Z-190629T2115Z/
Sussex NJ-Warren NJ-
458 PM EDT Sat Jun 29 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SUSSEX AND EAST
CENTRAL WARREN COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 700 PM EDT for
northern New Jersey.

LAT...LON 4068 7469 4085 7460 4080 7443 4079 7440
      4062 7456 4062 7457
TIME...MOT...LOC 2057Z 299DEG 30KT 4073 7451 

$$

NJC027-035-292115-
/O.CON.KPHI.SV.W.0173.000000T0000Z-190629T2115Z/
Morris NJ-Somerset NJ-
458 PM EDT Sat Jun 29 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHEASTERN MORRIS AND NORTH CENTRAL SOMERSET COUNTIES...

At 457 PM EDT, a severe thunderstorm was located over Basking Ridge,
or near Morristown, moving southeast at 35 mph.

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

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Morristown, Madison, Mendham, Peapack And Gladstone, Far Hills,
Millington, Basking Ridge and Bernardsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4068 7469 4085 7460 4080 7443 4079 7440
      4062 7456 4062 7457
TIME...MOT...LOC 2057Z 299DEG 30KT 4073 7451 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

PF

447 
WWUS51 KPHI 292110
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
510 PM EDT Sat Jun 29 2019

NJC027-035-292120-
/O.EXP.KPHI.SV.W.0173.000000T0000Z-190629T2115Z/
Morris NJ-Somerset NJ-
510 PM EDT Sat Jun 29 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORRIS AND NORTH
CENTRAL SOMERSET COUNTIES WILL EXPIRE AT 515 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A severe thunderstorm watch remains in effect until 700 PM EDT for
northern New Jersey.

LAT...LON 4068 7469 4085 7460 4080 7443 4079 7440
      4062 7456 4062 7457
TIME...MOT...LOC 2110Z 300DEG 24KT 4069 7442 

$$

PF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 8:08 PM EDT	Special Weather Statement	PHI	Burlington	37 min
Jun 29, 1:35 PM EDT	Special Weather Statement	PHI	Camden	25 min
Jun 29, 1:54 PM EDT	Special Weather Statement	PHI	Burlington	36 min
Jun 29, 2:31 PM EDT	Special Weather Statement	PHI	Gloucester	29 min
Jun 29, 3:09 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Camden, Gloucester	37 min
Jun 29, 3:10 PM EDT	Special Marine Warning	PHI		50 min
Jun 29, 3:14 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Gloucester, Salem	46 min
Jun 29, 3:17 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	43 min
Jun 29, 3:18 PM EDT	Special Marine Warning	PHI		57 min
Jun 29, 3:19 PM EDT	Special Weather Statement	PHI	Ocean	26 min
Jun 29, 3:24 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	36 min
Jun 29, 3:25 PM EDT	Special Weather Statement	PHI	Burlington	35 min
Jun 29, 3:31 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	44 min
Jun 29, 3:45 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	45 min
Jun 29, 3:55 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	50 min
Jun 29, 3:56 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	49 min
Jun 29, 3:59 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	46 min
Jun 29, 4:00 PM EDT	Flash Flood Warning	PHI	Gloucester, Salem	3 hr
Jun 29, 4:01 PM EDT	Flash Flood Warning	PHI	Sussex, Warren	3 hr
Jun 29, 4:05 PM EDT	Special Marine Warning	PHI		55 min
Jun 29, 4:06 PM EDT	Special Marine Warning	PHI		54 min
Jun 29, 4:11 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	49 min
Jun 29, 4:15 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Ocean	30 min
Jun 29, 4:16 PM EDT	Special Marine Warning	PHI		18 min
Jun 29, 4:23 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	27 min
Jun 29, 4:25 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	50 min
Jun 29, 4:26 PM EDT	Special Marine Warning	PHI		49 min
Jun 29, 4:28 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Cumberland, Gloucester, Salem	47 min
Jun 29, 4:39 PM EDT	Special Marine Warning	PHI		96 min
Jun 29, 4:41 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	3 hr
Jun 29, 4:44 PM EDT	Areal Flood Advisory	PHI	Burlington, Ocean	3 hr
Jun 29, 4:52 PM EDT	Special Marine Warning	PHI		34 min
Jun 29, 4:53 PM EDT	Severe Thunderstorm Warning	PHI	Morris	22 min
Jun 29, 4:55 PM EDT	Special Weather Statement	PHI	Ocean	35 min
Jun 29, 5:03 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Morris, Somerset	27 min
Jun 29, 5:05 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Monmouth, Ocean	40 min
Jun 29, 5:08 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Cumberland	67 min
Jun 29, 5:19 PM EDT	Special Marine Warning	PHI		116 min
Jun 29, 5:29 PM EDT	Special Marine Warning	PHI		109 min
Jun 29, 5:32 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	43 min
Jun 29, 5:43 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Cape May, Monmouth, Ocean	32 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.