Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 124, NWS Philadelphia/Mount Holly

June 2, 2019Middlesex County, Morris County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2019, 9:07 PM EDT for Middlesex County, Morris County, Somerset County, New Jersey. It was in force for 24 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 2, 2019, 9:07 PM EDT (01:07 UTC)
Expired
Jun 2, 2019, 9:31 PM EDT
In force
24 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Middlesex County, NJ, Morris County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 75 km from the middle of the area, began a volume at 01:08 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 2, 3:05 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 1.1 hours before the alert went out and 132 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-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2019-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 826 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2019-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
826 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1007 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

393 
WUUS51 KPHI 030107
SVRPHI
NJC023-027-035-030145-
/O.NEW.KPHI.SV.W.0124.190603T0107Z-190603T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
907 PM EDT Sun Jun 2 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southeastern Morris County in northern New Jersey...
  Northern Somerset County in northern New Jersey...
  Northeastern Middlesex County in northern New Jersey...

* Until 945 PM EDT.

* At 906 PM EDT, severe thunderstorms were located along a line
  extending from Far Hills to near Edison, moving east at 25 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...
  New Brunswick, Perth Amboy, Morristown, Somerville, Somerset,
  Edison, East Brunswick, Sayreville, Carteret, Madison, Middlesex,
  Florham Park, East Hanover, Bound Brook, Chatham, Peapack And
  Gladstone, Far Hills, Colonia, Martinsville and Millington.

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 these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

&&

LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
      4045 7423 4042 7438 4067 7473 4069 7472
      4070 7472 4083 7434 4079 7437 4074 7437
      4067 7446 4066 7445 4066 7441 4065 7440
      4060 7446 4060 7421
TIME...MOT...LOC 0106Z 254DEG 23KT 4067 7461 4050 7436 

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

SFJ
1 follow-up statement
819 
WWUS51 KPHI 030131
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
931 PM EDT Sun Jun 2 2019

NJC023-027-035-030141-
/O.CAN.KPHI.SV.W.0124.000000T0000Z-190603T0145Z/
Morris NJ-Somerset NJ-Middlesex NJ-
931 PM EDT Sun Jun 2 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORRIS...NORTHERN
SOMERSET AND NORTHEASTERN MIDDLESEX COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 1000 PM EDT for
northern and northwestern New Jersey.

LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
      4045 7423 4042 7438 4067 7473 4069 7472
      4070 7472 4083 7434 4079 7437 4074 7437
      4067 7446 4066 7445 4066 7441 4065 7440
      4060 7446 4060 7421
TIME...MOT...LOC 0129Z 254DEG 23KT 4071 7442 4054 7417 

$$

SFJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 8:13 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean44 min
Jun 2, 8:24 PM EDTSpecial Weather StatementPHIMercer36 min
Jun 2, 8:27 PM EDTSpecial Weather StatementPHICumberland33 min
Jun 2, 8:29 PM EDTSpecial Weather StatementPHIAtlantic31 min
Jun 2, 8:32 PM EDTSpecial Marine WarningPHI58 min
Jun 2, 8:51 PM EDTSpecial Weather StatementPHIHunterdon, Middlesex, Monmouth, Morris, Somerset24 min
Jun 2, 9:10 PM EDTSpecial Weather StatementPHIAtlantic35 min
Jun 2, 9:13 PM EDTSpecial Marine WarningPHI62 min
Jun 2, 9:14 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth31 min
Jun 2, 9:22 PM EDTSpecial Marine WarningPHI70 min
Jun 2, 9:23 PM EDTSpecial Marine WarningPHI67 min
Jun 3, 2:36 PM EDTSmall Craft AdvisoryPHI3 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2019Every 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.