Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 46, NWS Charleston, WV

May 21, 1998Jackson County, Lawrence County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at May 21, 1998, 1:25 AM EDT for Jackson County, Lawrence County, Ohio. It was in force for 50 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 21, 1998, 1:25 AM EDT (05:25 UTC)
Expired
May 21, 1998, 2:15 AM EDT
In force
50 min
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Jackson County, OH, Lawrence County, OH

The radar

The Charleston,WV radar (KRLX), 93 km from the middle of the area, began a volume at 05:26 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
May 21, 1:30 AM EDTThunderstorm WindOak Hill, OHThe sheriff reported trees and power lines were knocked down.

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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.4 hours before the alert went out and 126 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, Cncnati-Daytn, OH at 00:00Z on 1998-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1019 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 1998-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
1019 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1461 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

928 
WUUS1 KCRW 210526 RRA
SVRCRW
OHC079-087-210615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
125 AM EDT THU MAY 21 1998
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTHEAST OHIO
 
   ...SOUTHERN JACKSON COUNTY...LAWRENCE COUNTY
 
AT 124 AM RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO THE WARNED
AREA FROM THE NORTHWEST AT 30 MPH. DEADLY LIGHTNING...LOCALLY HEAVY
RAINS...AND STRONG WINDS ARE POSSIBLE WITH THE PASSAGE OF THIS STORM.
 
<< CALL TO ACTION >> SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND
IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND
VERY HEAVY RAIN.FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON
THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS
QUICKLY SO DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
./JAP

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 20, 11:12 PM EDT, 2 hours 13 minutes before
WVZ024-025-033-034-042-VAZ001>017-210400-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1112 PM EDT WED MAY 20 1998

...SEVERE THUNDERSTORM WATCH NUMBER 382 HAS EXPIRED...

SCATTERED SHOWERS AND THUNDERSTORMS WERE STILL NOTED OVER PORTIONS OF
SOUTHERN WEST VIRGINIA AND SOUTHWESTERN VIRGINIA BUT NONE WERE SEVERE.

END/PACKETT

Nearby

Severe Thunderstorm Warnings in Ohio, 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; radar from the NEXRAD Level II archive.