Alert archive / New Jersey / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 11, NWS New York, NY

May 20, 1998Bergen County, Hudson County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at May 20, 1998, 6:13 PM EDT for Bergen County, Hudson County, New Jersey. It was in force for 47 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 20, 1998, 6:13 PM EDT (22:13 UTC)
Expired
May 20, 1998, 7:00 PM EDT
In force
47 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Bergen County, NJ, Hudson County, NJ

What was reported inside it

TimeReportWhereRemark
May 20, 6:30 PM EDTHail 1.75Hoboken, 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, 10.2 hours before the alert went out and 102 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 1998-05-20Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 1998-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
1584 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

721 
WUUS1 KNYC 202214 RRA
SVRNYC
NJC003-017-202300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
613 PM EDT WED MAY 20 1998

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BERGEN COUNTY IN NORTHEASTERN NEW JERSEY
  HUDSON COUNTY IN NORTHEASTERN NEW JERSEY

* UNTIL 700 PM EDT


* AT 620 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON
  NY INDICATED A SEVERE THUNDERSTORM IN JUST SOUTHWEST OF
  TETERBORO. THE STORM WAS MOVING SOUTHEAST AT 10 TO 15 MPH.

DAMAGING WINDS...HEAVY RAINS AND LARGE HAIL ARE LIKELY. GO INSIDE A
STURDY BUILDING AND STAY AWAY FROM WINDOWS

MAW/RS

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.