Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 267, NWS Philadelphia/Mount Holly

July 22, 2019Morris County, Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 22, 2019, 5:01 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It was in force for 44 min. 5 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
Jul 22, 2019, 5:01 PM EDT (21:01 UTC)
Expired
Jul 22, 2019, 5:45 PM EDT
In force
44 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Philadelphia radar (KDIX), 110 km from the middle of the area, began a volume at 21:03 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

TimeReportWhereRemark
Jul 22, 5:02 PM EDTTSTM WND DMG2 E Mansfield Twp, NJTREE DOWN ON WIRES WITH FIRE AT THE INTERSECTION OF STEPHENSBURG RD AND NJ-57. TIME ESTIMATED FROM RADAR.
Jul 22, 5:02 PM EDTTSTM WND DMG2 Sse Mount Arlington, NJDOWNED TREE ON I-80 WESTBOUND EAST OF EXIT 30. TIME ESTIMATED FROM RADAR.
Jul 22, 5:28 PM EDTTSTM WND DMG2 Ese Succasunna, NJDOWNED TREE AND WIRES ON NJ-10 BOTH DIRECTIONS NEAR OF CANFIELD AVE. TIME ESTIMATED FROM RADAR.
Jul 22, 5:44 PM EDTTSTM WND DMG1 E Port Murray, NJSEVERAL DOWNED TREES ON ROUTE 57. TIME ESTIMATED FROM RADAR.
Jul 22, 5:45 PM EDTTSTM WND DMGRandolph, Nj, NJCOUNTY ROUTE 10 IMPASSABLE DUE TO TREES BETWEEN RANDOLPH AND LEDGEWOOD.

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.

IssuedProductOfficeLasted
Jul 22, 2:17 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.0 hours before the alert went out and 138 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 12:00Z on 2019-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2019-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1598 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

856 
WUUS51 KPHI 222101
SVRPHI
NJC027-037-041-222145-
/O.NEW.KPHI.SV.W.0267.190722T2101Z-190722T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
501 PM EDT Mon Jul 22 2019

The National Weather Service in Mount Holly NJ has issued a

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

* Until 545 PM EDT.

* At 500 PM EDT, a severe thunderstorm was located over Mount
  Arlington, or 10 miles southeast of Newton, 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...
  Dover, Hopatcong, Lincoln Park, Kinnelon, Hackettstown, Boonton,
  Butler, Wharton, Rockaway, Morris Plains, Mount Arlington, Mountain
  Lakes, Stanhope, Riverdale, Netcong, Victory Gardens, Andover, Long
  Valley, Green Pond and Great Meadows-Vienna.

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

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

&&

LAT...LON 4091 7433 4088 7434 4076 7485 4078 7488
      4077 7492 4091 7489 4108 7449 4104 7450
      4105 7445 4102 7443 4103 7442 4100 7430
      4097 7428 4092 7429 4090 7427
TIME...MOT...LOC 2100Z 248DEG 33KT 4091 7464 

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

CMS
1 follow-up statement
285 
WWUS51 KPHI 222124
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
524 PM EDT Mon Jul 22 2019

NJC027-037-041-222145-
/O.CON.KPHI.SV.W.0267.000000T0000Z-190722T2145Z/
Morris NJ-Sussex NJ-Warren NJ-
524 PM EDT Mon Jul 22 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR MORRIS...SOUTH CENTRAL SUSSEX AND EAST CENTRAL WARREN COUNTIES...

At 524 PM EDT, a severe thunderstorm was located over Kinnelon, or
near Pompton Lakes, moving east at 30 mph.

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

SOURCE...The public reported trees down in Lake Telemark as this 
         storm passed.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Dover, Hopatcong, Lincoln Park, Kinnelon, Hackettstown, Boonton,
Butler, Wharton, Rockaway, Morris Plains, Mount Arlington, Mountain
Lakes, Stanhope, Riverdale, Netcong, Victory Gardens, Andover, Long
Valley, Green Pond and Great Meadows-Vienna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 4091 7433 4088 7434 4076 7485 4078 7488
      4077 7492 4091 7489 4108 7449 4104 7450
      4105 7445 4102 7443 4103 7442 4100 7430
      4097 7428 4092 7429 4090 7427
TIME...MOT...LOC 2124Z 252DEG 27KT 4097 7441 

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

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 8:25 PM EDTSpecial Weather StatementPHIWarren50 min
Jul 21, 8:44 PM EDTSevere Thunderstorm WarningPHIWarren46 min
Jul 21, 9:05 PM EDTSpecial Weather StatementPHIMorris25 min
Jul 21, 9:24 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Warren51 min
Jul 21, 10:12 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Monmouth, Morris, Somerset48 min
Jul 21, 10:13 PM EDTSevere Thunderstorm WarningPHISalem47 min
Jul 21, 10:15 PM EDTSpecial Marine WarningPHI60 min
Jul 21, 10:54 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem25 min
Jul 21, 10:58 PM EDTSpecial Marine WarningPHI62 min
Jul 21, 11:02 PM EDTSevere Thunderstorm WarningPHIMonmouth31 min
Jul 21, 11:27 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean48 min
Jul 21, 11:31 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden44 min
Jul 21, 11:40 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren50 min
Jul 21, 11:54 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean51 min
Jul 22, 12:00 AM EDTSpecial Marine WarningPHI90 min
Jul 22, 12:16 AM EDTSpecial Weather StatementPHIMercer29 min
Jul 22, 12:34 AM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean41 min
Jul 22, 1:50 PM EDTSpecial Weather StatementPHIWarren25 min
Jul 22, 2:00 PM EDTSpecial Weather StatementPHISussex45 min
Jul 22, 2:13 PM EDTSpecial Weather StatementPHIWarren32 min
Jul 22, 2:35 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren40 min
Jul 22, 2:58 PM EDTSmall Craft AdvisoryPHI27 hr
Jul 22, 3:02 PM EDTAreal Flood AdvisoryPHIMorris, Sussex, Warren4 hr
Jul 22, 3:12 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex48 min
Jul 22, 3:33 PM EDTAreal Flood AdvisoryPHIWarren7 hr
Jul 22, 3:43 PM EDTFlash Flood WarningPHISussex4 hr
Jul 22, 4:11 PM EDTAreal Flood AdvisoryPHIHunterdon, Warren4 hr
Jul 22, 4:16 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem59 min
Jul 22, 4:24 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren51 min
Jul 22, 4:40 PM EDTAreal Flood AdvisoryPHICamden, Cumberland, Gloucester, Salem114 min
Jul 22, 4:52 PM EDTSpecial Marine WarningPHI53 min
Jul 22, 5:04 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester41 min
Jul 22, 5:14 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem61 min
Jul 22, 5:17 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Warren73 min
Jul 22, 5:34 PM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren4 hr
Jul 22, 5:40 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more80 min
Jul 22, 5:43 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Hunterdon, Mercer, Middlesex and 4 more3 hr
Jul 22, 5:50 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more40 min
Jul 22, 5:52 PM EDTSpecial Marine WarningPHI53 min
Jul 22, 6:09 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Cumberland, Ocean51 min
Jul 22, 6:12 PM EDTSpecial Marine WarningPHI93 min
Jul 22, 6:21 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cumberland, Monmouth, Ocean4 hr
Jul 22, 6:27 PM EDTSpecial Marine WarningPHI48 min
Jul 22, 6:27 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Monmouth, Morris, Somerset34 min
Jul 22, 6:35 PM EDTFlash Flood WarningPHIHunterdon, Middlesex, Morris, Somerset4 hr
Jul 22, 6:38 PM EDTSpecial Marine WarningPHI67 min
Jul 22, 6:54 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean51 min
Jul 22, 7:39 PM EDTSpecial Marine WarningPHI96 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.