Alert archive / West Virginia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 21, NWS Charleston, WV

February 28, 1998Webster County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Feb 28, 1998, 12:55 PM EST for Webster County, West Virginia. It was in force for 35 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
Feb 28, 1998, 12:55 PM EST (17:55 UTC)
Expired
Feb 28, 1998, 1:30 PM EST
In force
35 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Webster County, WV

The radar

The Charleston,WV radar (KRLX), 115 km from the middle of the area, began a volume at 17:56 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
Feb 28, 1:00 PM ESTHail 0.75Hacker Vly, WV

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

Roanoke, VA (KRNK), launched 12:00Z, 5.9 hours before the alert went out and 165 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, Roanoke, VA at 12:00Z on 1998-02-28Temperature 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, Roanoke, VA at 12:00Z on 1998-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897117136Sfc1 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
800 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

285 
WUUS1 KCRW 281756 RRA
SVRCRW
WVC101-281830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1255 PM EST SAT FEB 28 1998
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN CENTRAL WEST VIRGINIA
 
   ...WEBSTER COUNTY
 
RADAR INDICATED A SEVERE THUNDERSTORM IN WEBSTER COUNTY. MOVEMENT WAS
NORTHEAST AT 35 MPH. GUSTY WINDS IN EXCESS OF 60 MPH...AND LARGE HAIL
ARE BOTH POSSIBLE. THIS THUNDERSTORM IS EXPECTED TO REACH THE HACKER
VALLEY AREA BY 110 PM.
 
<< 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.

Nearby

Severe Thunderstorm Warnings in West Virginia, 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.