Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 288, NWS Philadelphia/Mount Holly

July 31, 2019Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 31, 2019, 3:05 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 40 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
Jul 31, 2019, 3:05 PM EDT (19:05 UTC)
Expired
Jul 31, 2019, 3:45 PM EDT
In force
40 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 29 km from the middle of the area, began a volume at 19:09 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 31, 3:11 PM EDTTSTM WND DMG1 Ssw Colts Neck Twp, NJSEVERAL LARGE BRANCHES DOWN ON A GOLF COURSE. TIME ESTIMATED FROM RADAR.
Jul 31, 3:40 PM EDTTSTM WND DMG1 Sw Toms River, NJTREES DOWN ALONG DOVER ROAD. DELAYED REPORT.
Jul 31, 3:45 PM EDTTSTM WND DMGBeachwood, NJTREES DOWN IN BEACHWOOD. 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.

IssuedProductOfficeLasted
Jul 31, 1:17 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.1 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 2019-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 885 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 12:00Z on 2019-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
885 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1207 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

459 
WUUS51 KPHI 311905
SVRPHI
NJC025-029-311945-
/O.NEW.KPHI.SV.W.0288.190731T1905Z-190731T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
305 PM EDT Wed Jul 31 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern Ocean County in southern New Jersey...
  Eastern Monmouth County in central New Jersey...

* Until 345 PM EDT.

* At 305 PM EDT, severe thunderstorms were located along a line
  extending from Middletown to near Beachwood, moving northeast at 10
  mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Toms River, Long Branch, Asbury Park, Lakewood, Middletown, Howell,
  Tinton Falls, Holmdel, Red Bank, Beachwood, Manasquan, Highlands,
  Point Pleasant Beach, Seaside Heights, Farmingdale, Allenwood,
  Elberon, Navesink, Brick Township and Collingwood Park.

This includes the following highways...
 Garden State Parkway between mile markers 71 and 116.
 Interstate 195 in New Jersey between mile markers 27 and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with this storm, and
the storm will affect the beaches. For your safety, immediately move
off the beach and seek shelter indoors.

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

&&

LAT...LON 4032 7397 4006 7405 4007 7406 3980 7409
      3979 7410 3999 7407 4001 7409 3999 7414
      3999 7411 3992 7411 3982 7416 3978 7411
      3981 7415 3979 7419 3980 7435 4043 7417
      4045 7411 4041 7402 4048 7400
TIME...MOT...LOC 1905Z 236DEG 11KT 4041 7410 3988 7425 

HAIL...0.88IN
WIND...60MPH
 
$$

MPS
1 follow-up statement
551 
WWUS51 KPHI 311940
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
340 PM EDT Wed Jul 31 2019

NJC025-029-311949-
/O.EXP.KPHI.SV.W.0288.000000T0000Z-190731T1945Z/
Ocean NJ-Monmouth NJ-
340 PM EDT Wed Jul 31 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OCEAN AND EASTERN
MONMOUTH COUNTIES WILL EXPIRE AT 345 PM EDT...
    
A new Severe Thunderstorm Warning is now in effect until 4:30 pm. 
Please refer to Warning 291.

A severe thunderstorm watch remains in effect until 900 PM EDT for 
central and southern New Jersey.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 4032 7397 4006 7405 4007 7406 3980 7409
      3979 7410 3999 7407 4001 7409 3999 7414
      3999 7411 3992 7411 3982 7416 3978 7411
      3981 7415 3979 7419 3980 7435 4043 7417
      4045 7411 4041 7402 4048 7400
TIME...MOT...LOC 1939Z 236DEG 11KT 4047 7399 3994 7414 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 3:28 AM EDTFlash Flood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more17 hr
Jul 31, 1:02 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden28 min
Jul 31, 1:14 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester3 hr
Jul 31, 1:19 PM EDTFlash Flood WarningPHIBurlington5 hr
Jul 31, 1:30 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Mercer45 min
Jul 31, 1:43 PM EDTSpecial Marine WarningPHI62 min
Jul 31, 1:46 PM EDTFlash Flood WarningPHIBurlington, Mercer3 hr
Jul 31, 1:49 PM EDTSpecial Marine WarningPHI86 min
Jul 31, 1:57 PM EDTSpecial Weather StatementPHIOcean33 min
Jul 31, 2:11 PM EDTSevere Thunderstorm WarningPHIBurlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more49 min
Jul 31, 2:21 PM EDTAreal Flood AdvisoryPHIOcean4 hr
Jul 31, 2:23 PM EDTSevere Thunderstorm WarningPHIMonmouth52 min
Jul 31, 2:29 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Monmouth, Ocean46 min
Jul 31, 2:29 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean46 min
Jul 31, 2:32 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 1 more3 hr
Jul 31, 2:46 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer44 min
Jul 31, 2:53 PM EDTSevere Thunderstorm WarningPHIMonmouth52 min
Jul 31, 3:00 PM EDTAreal Flood AdvisoryPHIMonmouth, Ocean3 hr
Jul 31, 3:06 PM EDTSpecial Marine WarningPHI54 min
Jul 31, 3:20 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset40 min
Jul 31, 3:24 PM EDTFlash Flood WarningPHIMonmouth4 hr
Jul 31, 3:24 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Somerset51 min
Jul 31, 3:39 PM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset, Sussex, Warren4 hr
Jul 31, 3:39 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean51 min
Jul 31, 3:48 PM EDTFlash Flood WarningPHIOcean2 hr
Jul 31, 3:49 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Mercer, Monmouth41 min
Jul 31, 3:51 PM EDTSpecial Marine WarningPHI54 min
Jul 31, 3:58 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset17 min
Jul 31, 4:36 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren4 hr
Jul 31, 4:52 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren38 min
Jul 31, 4:58 PM EDTFlash Flood WarningPHISussex, Warren4 hr
Jul 31, 5:02 PM EDTSpecial Weather StatementPHIAtlantic28 min
Jul 31, 5:16 PM EDTSpecial Weather StatementPHIAtlantic44 min
Jul 31, 5:27 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cumberland, Ocean, Salem48 min
Jul 31, 5:41 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more3 hr
Jul 31, 5:44 PM EDTSevere Thunderstorm WarningPHISussex25 min
Jul 31, 5:51 PM EDTSpecial Marine WarningPHI54 min
Jul 31, 5:55 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean35 min
Jul 31, 5:57 PM EDTSpecial Marine WarningPHI63 min
Jul 31, 6:05 PM EDTSpecial Marine WarningPHI55 min
Jul 31, 6:41 PM EDTSpecial Marine WarningPHI64 min
Jul 31, 6:53 PM EDTSpecial Marine WarningPHI54 min
Jul 31, 7:36 PM EDTSpecial Marine WarningPHI54 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.