Alert archive / New Jersey / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 116, NWS Philadelphia/Mount Holly

August 7, 2000Middlesex County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 7, 2000, 5:49 PM EDT for Middlesex County, New Jersey. It was in force for 26 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
Aug 7, 2000, 5:49 PM EDT (21:49 UTC)
Expired
Aug 7, 2000, 6:15 PM EDT
In force
26 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Middlesex County, NJ

What was reported inside it

TimeReportWhereRemark
Aug 7, 5:55 PM EDTThunderstorm Wind 50 ECranbury, 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 nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.8 hours before the alert went out and 139 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 2000-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1021 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 2000-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 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
1021 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

424 
WUUS51 KPHI 072149
SVRPHL
NJC023-072215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
549 PM EDT MON AUG 7 2000

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY.

* UNTIL 615 PM EDT.

* AT 544 PM EDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM...4 MILES
  SOUTHWEST OF DAYTON...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CLEARBROOK PARK...NEW BRUNSWICK AT 555 PM.
  EAST BRUNSWICK...JAMESBURG AT 600 PM.
  OLD BRIDGE AT 610 PM.

HAIL UP TO ONE INCH IN DIAMETER AND WINDS GREATER THAN 55 MILES AN
HOUR ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED. THIS STORM DOWNED TREES AND POWER LINES 
IN MONTGOMERY TOWNSHIP.

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

$$
LAT...LON 4050 7442 4036 7461 4025 7446 4041 7426

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 5:26 PM EDTSevere Thunderstorm WarningPHISomerset34 min
Aug 7, 5:59 PM EDTSevere Thunderstorm WarningPHIMonmouth31 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.