Alert archive / West Virginia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 256, NWS Charleston, WV

August 24, 1998Tyler County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Aug 24, 1998, 7:07 PM EDT for Tyler County, West Virginia. It was in force for 48 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
Aug 24, 1998, 7:07 PM EDT (23:07 UTC)
Expired
Aug 24, 1998, 7:55 PM EDT
In force
48 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Tyler County, WV

The radar

The Pittsburgh radar (KPBZ), 132 km from the middle of the area, began a volume at 23:09 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
Aug 24, 7:20 PM EDTThunderstorm WindMiddlebourne, WVLarge tree branches and one large tree were blown down, in and just outside the town.

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

Pittsburgh, PA (KPIT), launched 12:00Z, 11.1 hours before the alert went out and 125 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, Pittsburgh, PA at 12:00Z on 1998-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1171 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, Pittsburgh, PA at 12:00Z on 1998-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 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
1171 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
812 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
0.9
Supercell composite
7.3

Open this sounding in Storm Lab

The text

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

952 
WUUS1 KCRW 242308 RRA
SVRCRW
WVC095-242355-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
707 PM EDT MON AUG 24 1998

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TYLER COUNTY WEST VIRGINIA

* UNTIL 755 PM EDT

* AT 705 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 8 MILES NORTH OF MIDDLEBOURNE MOVING
  SOUTHEAST AT 30 MPH.

* SOME COMMUNITIES WHICH MAY BE AFFECTED BY THIS STORM ARE...
   MIDDLEBOURNE.
   LIMA.
   SHIRLEY.

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

PLEASE REPORT ANY HAIL OR STRONG WINDS BY CALLING TOLL FREE AT
877-633-6772.

.END/MJS

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.