Alert archive / New Jersey / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 115, NWS Philadelphia/Mount Holly

June 30, 1998Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 30, 1998, 8:11 PM EDT for Burlington County, Ocean County, New Jersey. It was in force for 64 min. 2 reports 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
Jun 30, 1998, 8:11 PM EDT (00:11 UTC)
Expired
Jun 30, 1998, 9:15 PM EDT
In force
64 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Burlington County, NJ, Ocean County, NJ

What was reported inside it

TimeReportWhereRemark
Jun 30, 8:15 PM EDTThunderstorm Wind 50South Lakewood, NJ
Jun 30, 8:15 PM EDTThunderstorm Wind 50Tabernacle, 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
Jun 30, 3:30 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.2 hours before the alert went out and 175 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 1998-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1403 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 00:00Z on 1998-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 square meters per square second.1939587897117Sfc1 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
1403 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
827 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
1.6
Supercell composite
7.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPHL 010009
SVRPHL
ANZ451-NJC005-029-010115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
811 PM EDT TUE JUN 30 1998

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BURLINGTON COUNTY IN NEW JERSEY
  OCEAN COUNTY INCLUDING ADJACENT COASTAL WATERS IN NEW JERSEY

* UNTIL 915 PM EDT


NATIONAL WEATHER SEVICE RADAR INDICATED A SEVERE THUNDERSTORM
MOVING EAST INTO THE EASTERN PART OF BURLINGTON COUNTY AND INTO THE
WESTERN PART OF OCEAN COUNTY.  THE STORM IS MOVING AT AROUND 35 MPH.

THIS IS A DANGEROUS STORM. MOVE INSIDE A STRONG BUILDING AND DO
NOT STAND NEAR WINDOWS. FOR YOUR PROTECTION MOFVE TO AN INTERIOR
ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

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

DI/JJM

Nearby

Severe Thunderstorm Warnings in New Jersey, 1998Every severe thunderstorm warning in 1998

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.