Alert archive / West Virginia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 20, NWS Charleston, WV

February 17, 1998Mason County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Feb 17, 1998, 2:19 PM EST for Mason County, West Virginia. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 17, 1998, 2:19 PM EST (19:19 UTC)
Expired: Feb 17, 1998, 3:00 PM EST
In force: 41 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Mason County, WV

The radar

The Charleston,WV radar (KRLX), 57 km from the middle of the area, began a volume at 19:18 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Feb 17, 1:00 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.3 hours before the alert went out and 170 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 606 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 424 m²/s²
0-3 km storm-relative helicity: 489 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.

000 
TTAA00 KCRW 171919 RRA
SVRCRW
OHC105-163-WVC053-172000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
219 PM EST TUE FEB 17 1998
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST OHIO
 
   ...MEIGS COUNTY...VINTON COUNTY
 
 
IN WEST WEST VIRGINIA
 
   ...MASON COUNTY
 
AT 215 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SEVERE
THUNDERSTORMS MOVING INTO WESTERN MASON COUNTY...SOUTHERN MEIGS COUNTY
AND SOUTERN VINTON COUNTY. THESE STORMS HAVE HAD A HISTORY OF PRODUCING
WIND GUSTS TO 60 MILES AN HOUR. THEY WERE MOVING RAPIDLY NORTH A 40
MILES AN HOUR.
 
 
<< 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 DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 17, 12:51 PM EST	Severe Thunderstorm Warning	RLX	Fayette, Raleigh	54 min
Feb 17, 12:51 PM EST	Severe Thunderstorm Warning	RLX	Wayne	54 min
Feb 17, 1:15 PM EST	Severe Thunderstorm Warning	RLX	Wyoming	30 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1998 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.