Alert archive / New Jersey / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 32, NWS Philadelphia/Mount Holly

May 13, 2000Morris County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 13, 2000, 8:19 PM EDT for Morris County, Somerset County, New Jersey. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 13, 2000, 8:19 PM EDT (00:19 UTC)
Expired
May 13, 2000, 9:00 PM EDT
In force
41 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Morris County, NJ, Somerset County, NJ

What was reported inside it

TimeReportWhereRemark
May 13, 8:25 PM EDTHail 1Neshanic, NJ

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
May 13, 6:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.3 hours before the alert went out and 145 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 2000-05-14Temperature 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 00:00Z on 2000-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
798 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

189 
WUUS51 KPHI 140022
SVRPHL
NJC021-027-035-PAC017-091-101-140100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
819 PM EDT SAT MAY 13 2000

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MERCER COUNTY IN CENTRAL NEW JERSEY.   
  MORRIS COUNTY IN NORTHERN NEW JERSEY.
  SOMERSET COUNTY IN NORTHERN NEW JERSEY.
  SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEAST PENNSYLVANIA.
  SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA.
  PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA.

* UNTIL 900 PM EDT.

* AT 813 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF SEVERE THUNDERSTORMSFROM THE SOUTHERN POCONOS SOUTH TO
  CHESTER COUNTY...MOVING EAST AT 40 TO 50 MPH.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 8:08 PM EDTSevere Thunderstorm WarningPHISussex, Warren52 min
May 13, 8:08 PM EDTSevere Thunderstorm WarningPHIHunterdon52 min
May 13, 8:19 PM EDTSevere Thunderstorm WarningPHIMercer41 min
May 13, 8:25 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester35 min
May 13, 8:25 PM EDTSevere Thunderstorm WarningPHICumberland, Salem35 min
May 13, 8:33 PM EDTTornado WarningPHISussex42 min
May 13, 8:39 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth36 min
May 13, 8:39 PM EDTTornado WarningPHIMorris36 min
May 13, 8:54 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester46 min
May 13, 8:54 PM EDTSevere Thunderstorm WarningPHICumberland, Salem46 min
May 13, 9:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth36 min
May 13, 9:09 PM EDTSevere Thunderstorm WarningPHIOcean36 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.