Alert archive / West Virginia / Tornado Warnings in 1998

Tornado Warning 30, NWS Charleston, WV

September 7, 1998Harrison County, West Virginia

NWS Charleston, WV issued this tornado warning at Sep 7, 1998, 5:58 PM EDT for Harrison County, West Virginia. It was in force for 32 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: Sep 7, 1998, 5:58 PM EDT (21:58 UTC)
Expired: Sep 7, 1998, 6:30 PM EDT
In force: 32 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Harrison County, WV

The radar

The Pittsburgh radar (KPBZ), 139 km from the middle of the area, began a volume at 22:01 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

Time	Report	Where	Remark
Sep 7, 6:20 PM EDT	Thunderstorm Wind	Wallace, 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

Pittsburgh, PA (KPIT), launched 12:00Z, 10.0 hours before the alert went out and 127 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1483 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 932 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRW 072158 RRA
TORCRW
WVC033-072230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
558 PM EDT MON SEP 7 1998

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN HARRISON COUNTY WEST VIRGINIA.

* UNTIL 630 PM EDT.

* AT 556 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO 16 MILES NORTHWEST OF CLARKSBURG OR 7 MILES NORTHWEST OF
  BROWN MOVING SOUTHEAST AT 35 MPH.

* SOME COMMUNITIES WHICH MAY BE AFFECTED BY THIS STORM ARE...
   BROWN.
   DOLA.
   WYATT.
   CLARKSBURG.
   BRIDGEPORT.

<<CALL TO ACTION>>GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON
THE LOWEST FLOOR!

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

.END/JMV

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 7, 6:39 PM EDT	Severe Thunderstorm Warning	RLX	Barbour, Harrison, Taylor	46 min
Sep 7, 7:02 PM EDT	Severe Thunderstorm Warning	RLX	Mason, Putnam	33 min
Sep 7, 7:28 PM EDT	Severe Thunderstorm Warning	RLX	Kanawha	32 min

Nearby

Tornado Warnings in West Virginia, 1998 Every tornado warning in 1998 Tornadoes 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.