Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 90, NWS Philadelphia/Mount Holly

May 29, 20194 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 29, 2019, 4:37 PM EDT for 4 counties in New Jersey. It was in force for 53 min. 3 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
May 29, 2019, 4:37 PM EDT (20:37 UTC)
Expired
May 29, 2019, 5:30 PM EDT
In force
53 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 20:37 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
May 29, 4:42 PM EDTHAIL 1.25Yardville, NJ
May 29, 4:46 PM EDTHAIL 0.881 Se Yardville, NJ
May 29, 5:15 PM EDTHAIL 12 S Freehold Twp, NJ

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
May 29, 1:10 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.6 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 12:00Z on 2019-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2019-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -157 square meters per square second.19395878Sfc1 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
415 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-157 m²/s²
0-3 km storm-relative helicity
-76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

174 
WUUS51 KPHI 292037
SVRPHI
NJC021-023-025-029-292130-
/O.NEW.KPHI.SV.W.0090.190529T2037Z-190529T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
437 PM EDT Wed May 29 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northern Ocean County in southern New Jersey...
  Eastern Mercer County in central New Jersey...
  Monmouth County in central New Jersey...
  Middlesex County in northern New Jersey...

* Until 530 PM EDT.

* At 437 PM EDT, a severe thunderstorm was located over Princeton
  Meadows, or 12 miles northeast of Trenton, moving east at 35 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...
  Toms River, New Brunswick, Sandy Hook, Lakewood, Middletown, Old
  Bridge, Jackson, Howell, East Brunswick, South Brunswick,
  Sayreville, North Brunswick, Marlboro, Manalapan, Tinton Falls,
  Holmdel, Princeton, Red Bank, Keansburg and Matawan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect until 800 PM EDT for southern and
central New Jersey.

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

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

&&

LAT...LON 4007 7404 4006 7412 4005 7405 4001 7405
      4001 7406 4008 7456 4014 7459 4018 7474
      4038 7469 4037 7461 4048 7448 4049 7427
      4044 7420 4045 7413 4041 7403 4044 7399
      4048 7402 4048 7401 4044 7398 4039 7401
TIME...MOT...LOC 2037Z 279DEG 29KT 4033 7458 

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

Iovino
1 follow-up statement
135 
WWUS51 KPHI 292101
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
501 PM EDT Wed May 29 2019

NJC021-023-025-029-292130-
/O.CON.KPHI.SV.W.0090.000000T0000Z-190529T2130Z/
Ocean NJ-Mercer NJ-Monmouth NJ-Middlesex NJ-
501 PM EDT Wed May 29 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHERN OCEAN...EAST CENTRAL MERCER...MONMOUTH AND SOUTHEASTERN
MIDDLESEX COUNTIES...

At 500 PM EDT, a severe thunderstorm was located over Six Flags Theme
Park, or 18 miles east of Trenton, moving east 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...
Toms River, Sandy Hook, Lakewood, Middletown, Old Bridge, Jackson,
Howell, East Brunswick, Marlboro, Manalapan, Tinton Falls, Holmdel,
Red Bank, Keansburg, Matawan, Jamesburg, Manasquan, Hightstown, Point
Pleasant Beach and Cranbury.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect until 800 PM EDT for southern and
central New Jersey.

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

&&

LAT...LON 4007 7404 4006 7412 4005 7405 4001 7405
      4001 7406 4008 7456 4042 7449 4044 7420
      4045 7413 4041 7403 4044 7399 4048 7402
      4048 7401 4044 7398 4039 7401
TIME...MOT...LOC 2100Z 269DEG 27KT 4015 7443 

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

Iovino

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 8:23 PM EDTTornado WarningPHIWarren37 min
May 28, 8:30 PM EDTTornado WarningPHIMorris, Sussex30 min
May 28, 8:34 PM EDTSpecial Marine WarningPHI41 min
May 28, 8:35 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland55 min
May 28, 8:37 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester25 min
May 28, 8:44 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset, Sussex, Warren61 min
May 28, 8:50 PM EDTAreal Flood AdvisoryPHICape May78 min
May 28, 8:59 PM EDTSpecial Marine WarningPHI61 min
May 28, 9:33 PM EDTAreal Flood AdvisoryPHIMorris, Somerset63 min
May 28, 9:47 PM EDTSpecial Marine WarningPHI43 min
May 28, 9:52 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean23 min
May 28, 9:57 PM EDTSpecial Marine WarningPHI44 min
May 28, 10:03 PM EDTSpecial Weather StatementPHIAtlantic12 min
May 28, 10:28 PM EDTSpecial Marine WarningPHI58 min
May 28, 10:30 PM EDTSpecial Weather StatementPHIOcean45 min
May 28, 10:33 PM EDTSpecial Weather StatementPHIBurlington27 min
May 28, 10:34 PM EDTSpecial Weather StatementPHIMonmouth26 min
May 28, 11:00 PM EDTSpecial Weather StatementPHIBurlington, Ocean30 min
May 28, 11:07 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean38 min
May 28, 11:21 PM EDTSpecial Marine WarningPHI39 min
May 28, 11:35 PM EDTSevere Thunderstorm WarningPHIOcean25 min
May 28, 11:57 PM EDTSpecial Marine WarningPHI48 min
May 29, 3:18 AM EDTFlash Flood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more18 hr
May 29, 3:10 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren65 min
May 29, 3:38 PM EDTTornado WarningPHIHunterdon37 min
May 29, 3:43 PM EDTFlash Flood WarningPHISussex, Warren4 hr
May 29, 3:43 PM EDTSevere Thunderstorm WarningPHISussex, Warren47 min
May 29, 4:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset41 min
May 29, 4:09 PM EDTSevere Thunderstorm WarningPHIWarren51 min
May 29, 4:13 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren47 min
May 29, 4:16 PM EDTSevere Thunderstorm WarningPHIWarren27 min
May 29, 4:27 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren51 min
May 29, 4:28 PM EDTSpecial Weather StatementPHIMorris32 min
May 29, 4:35 PM EDTSpecial Weather StatementPHISussex25 min
May 29, 4:53 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer67 min
May 29, 5:01 PM EDTSpecial Weather StatementPHIHunterdon, Morris29 min
May 29, 5:03 PM EDTSpecial Marine WarningPHI57 min
May 29, 5:14 PM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren3 hr
May 29, 5:23 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren34 min
May 29, 5:27 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset4 hr
May 29, 5:33 PM EDTTornado WarningPHIBurlington, Mercer, Monmouth27 min
May 29, 5:39 PM EDTSevere Thunderstorm WarningPHIBurlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more66 min
May 29, 5:45 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Sussex, Warren30 min
May 29, 6:01 PM EDTSpecial Marine WarningPHI59 min
May 29, 6:02 PM EDTSpecial Weather StatementPHISalem28 min
May 29, 6:06 PM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean4 hr
May 29, 6:06 PM EDTSevere Thunderstorm WarningPHIBurlington24 min
May 29, 6:29 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean61 min
May 29, 6:35 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Ocean3 hr
May 29, 6:35 PM EDTSpecial Marine WarningPHI55 min
May 29, 7:08 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem52 min
May 29, 7:12 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more3 hr
May 29, 7:15 PM EDTSpecial Marine WarningPHI60 min
May 29, 7:25 PM EDTSpecial Marine WarningPHI65 min
May 29, 7:33 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Cumberland, Ocean42 min
May 29, 7:35 PM EDTSpecial Marine WarningPHI85 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.