Alert archive / West Virginia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 17, NWS Charleston, WV

February 17, 1998Wyoming County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Feb 17, 1998, 1:15 PM EST for Wyoming County, West Virginia. It was in force for 30 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 17, 1998, 1:15 PM EST (18:15 UTC)
Expired
Feb 17, 1998, 1:45 PM EST
In force
30 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 79 km from the middle of the area, began a volume at 18:18 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 17, 1:25 PM ESTThunderstorm WindHerndon Hgts, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 17, 1:00 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.3 hours before the alert went out and 187 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 1998-02-17Temperature 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 1998-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 728 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
505 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
728 m²/s²
0-3 km storm-relative helicity
863 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.

213 
WUUS1 KCRW 171818 RRA
SVRCRW
OHC087-WVC109-171845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
115 PM EST TUE FEB 17 1998
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  145 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST OHIO
 
   ...LAWRENCE COUNTY
 
 
IN SOUTH CENTRAL WEST VIRGINIA
 
   ...WYOMING COUNTY
 
AT 110 PM...NATIONAL WEATHER SERVICE RADAR SHOWED SEVERE THUNDERSTORMS
TRACKING THROUGH WYOMING COUNTY AND ALSO MOVING INTO SOUTHERN LAWRENCE
OHIO. DAMAGING WINDS WILL LIKELY ACCOMPANY THE PASSAGE OF THESE STORMS.
THEY WERE MOVING RAPIDLY NORTH AT 40 MILES AN HOUR.
 
<< CALL TO ACTION >> WHEN THUNDERSTORMS ARE OCCURRING...MOVE
INSIDE A STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DONT USE
TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL
THE STORM HAS PASSED. DO NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 17, 12:51 PM ESTSevere Thunderstorm WarningRLXFayette, Raleigh54 min
Feb 17, 12:51 PM ESTSevere Thunderstorm WarningRLXWayne54 min
Feb 17, 2:19 PM ESTSevere Thunderstorm WarningRLXMason41 min

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.