Alert archive / New Jersey / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 143, NWS Philadelphia/Mount Holly

August 2, 2017Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 2, 2017, 2:46 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 44 min. 1 report 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
Aug 2, 2017, 2:46 PM EDT (18:46 UTC)
Expired
Aug 2, 2017, 3:30 PM EDT
In force
44 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), 23 km from the middle of the area, began a volume at 18:45 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
Aug 2, 3:14 PM EDTTSTM WND DMGJackson Twp, NJTREES DOWN NEAR JACKSON. TIME ESTIMATED BY RADAR.

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.8 hours before the alert went out and 144 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 2017-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 823 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 2017-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
823 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1051 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

533 
WUUS51 KPHI 021846
SVRPHI
NJC025-029-021930-
/O.NEW.KPHI.SV.W.0143.170802T1846Z-170802T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
246 PM EDT WED AUG 2 2017

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  North central Ocean County in southern New Jersey...
  Southeastern Monmouth County in central New Jersey...

* Until 330 PM EDT

* At 246 PM EDT, a severe thunderstorm was located over Jackson, or
  12 miles northwest of Toms River, moving northeast at 10 mph.

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

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to trees and power lines. 

* Locations impacted include...
  Toms River, Lakewood, Jackson, Howell, Tinton Falls, Lakehurst,
  Farmingdale, Leisure Village, Allenwood, East Freehold, Cedar Glen
  West, Jacksons Mills, West Freehold, Cassville, Adelphia, Vista
  Center, Ramtown, Collingwood Park, Freewood Acres and Leisure
  Village West-Pine Lake Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3998 7424 4008 7447 4031 7428 4020 7402
TIME...MOT...LOC 1846Z 214DEG 9KT 4011 7431 

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

po
2 follow-up statements
661 
WWUS51 KPHI 021913
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
313 PM EDT WED AUG 2 2017

NJC025-029-021930-
/O.CON.KPHI.SV.W.0143.000000T0000Z-170802T1930Z/
Ocean NJ-Monmouth NJ-
313 PM EDT WED AUG 2 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTH CENTRAL OCEAN AND SOUTHEASTERN MONMOUTH COUNTIES...

At 313 PM EDT, a severe thunderstorm was located over Cassville, or
15 miles northwest of Toms River, moving northeast at 10 mph.

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

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines. 

Locations impacted include...
Lakewood, Jackson, Howell, Lakehurst, Farmingdale, Cassville,
Adelphia, Vista Center, Allenwood, Ramtown, Freewood Acres, Jacksons
Mills, West Freehold, Cedar Glen West and Freehold.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4007 7446 4008 7447 4028 7431 4016 7406
      4013 7409 4002 7433
TIME...MOT...LOC 1913Z 225DEG 7KT 4012 7438 

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

MPS
322 
WWUS51 KPHI 021930
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
330 PM EDT WED AUG 2 2017

NJC025-029-021939-
/O.EXP.KPHI.SV.W.0143.000000T0000Z-170802T1930Z/
Ocean NJ-Monmouth NJ-
330 PM EDT WED AUG 2 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL OCEAN AND
SOUTHEASTERN MONMOUTH COUNTIES WILL EXPIRE AT 330 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However small hail,
gusty winds and heavy rain are still possible with this thunderstorm.

LAT...LON 4007 7446 4008 7447 4028 7431 4016 7406
      4013 7409 4002 7433
TIME...MOT...LOC 1929Z 214DEG 9KT 4015 7435 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 12:28 PM EDTAreal Flood AdvisoryPHIMercer4 hr
Aug 2, 12:31 PM EDTSpecial Weather StatementPHIMorris29 min
Aug 2, 12:37 PM EDTSpecial Weather StatementPHIMercer38 min
Aug 2, 12:43 PM EDTAreal Flood AdvisoryPHIMiddlesex4 hr
Aug 2, 1:00 PM EDTSpecial Weather StatementPHIMorris30 min
Aug 2, 1:02 PM EDTAreal Flood AdvisoryPHIMorris5 hr
Aug 2, 1:32 PM EDTSpecial Weather StatementPHIMorris28 min
Aug 2, 2:01 PM EDTAreal Flood AdvisoryPHIHunterdon4 hr
Aug 2, 2:04 PM EDTSevere Thunderstorm WarningPHIHunterdon41 min
Aug 2, 2:09 PM EDTSpecial Weather StatementPHICamden51 min
Aug 2, 2:10 PM EDTFlash Flood WarningPHIMorris4 hr
Aug 2, 2:18 PM EDTSpecial Weather StatementPHIWarren42 min
Aug 2, 2:26 PM EDTSpecial Weather StatementPHIBurlington49 min
Aug 2, 2:35 PM EDTSpecial Weather StatementPHIBurlington40 min
Aug 2, 2:42 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Somerset4 hr
Aug 2, 2:45 PM EDTAreal Flood AdvisoryPHIWarren4 hr
Aug 2, 2:48 PM EDTSevere Thunderstorm WarningPHIWarren27 min
Aug 2, 2:55 PM EDTAreal Flood AdvisoryPHIBurlington, Monmouth, Ocean5 hr
Aug 2, 3:04 PM EDTSevere Thunderstorm WarningPHIWarren41 min
Aug 2, 3:06 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren4 hr
Aug 2, 3:16 PM EDTSpecial Weather StatementPHIBurlington29 min
Aug 2, 3:20 PM EDTAreal Flood AdvisoryPHIBurlington, Ocean4 hr
Aug 2, 3:32 PM EDTSpecial Weather StatementPHIWarren43 min
Aug 2, 3:33 PM EDTSpecial Weather StatementPHIMonmouth42 min
Aug 2, 3:36 PM EDTSpecial Weather StatementPHIUnion39 min
Aug 2, 3:39 PM EDTSpecial Weather StatementPHIMiddlesex51 min
Aug 2, 3:50 PM EDTSpecial Weather StatementPHISussex25 min
Aug 2, 3:58 PM EDTAreal Flood AdvisoryPHIBurlington, Mercer, Middlesex, Monmouth, Morris, Somerset4 hr
Aug 2, 4:06 PM EDTSpecial Weather StatementPHIGloucester, Salem39 min
Aug 2, 4:09 PM EDTAreal Flood AdvisoryPHISussex, Warren4 hr
Aug 2, 4:15 PM EDTSpecial Marine WarningPHI60 min
Aug 2, 4:27 PM EDTAreal Flood AdvisoryPHICamden, Gloucester, Salem4 hr
Aug 2, 4:29 PM EDTSpecial Weather StatementPHICumberland46 min
Aug 2, 4:39 PM EDTSpecial Weather StatementPHISomerset36 min
Aug 2, 4:48 PM EDTSpecial Weather StatementPHICamden42 min
Aug 2, 5:11 PM EDTSpecial Weather StatementPHICumberland34 min
Aug 2, 5:15 PM EDTSpecial Marine WarningPHI60 min
Aug 2, 5:21 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester39 min
Aug 2, 5:23 PM EDTSpecial Weather StatementPHIGloucester37 min
Aug 2, 5:28 PM EDTAreal Flood AdvisoryPHIAtlantic, Camden, Cumberland, Gloucester, Salem4 hr
Aug 2, 5:46 PM EDTAreal Flood AdvisoryPHIMorris59 min
Aug 2, 6:02 PM EDTSpecial Marine WarningPHI58 min
Aug 2, 6:11 PM EDTSpecial Marine WarningPHI64 min
Aug 2, 6:52 PM EDTSpecial Marine WarningPHI53 min
Aug 2, 6:52 PM EDTSpecial Weather StatementPHICape May38 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2017Every severe thunderstorm warning in 2017

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.