Alert archive / West Virginia / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 39, NWS Charleston, WV

May 18, 2001Mason County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at May 18, 2001, 6:22 PM EDT for Mason County, West Virginia. It was in force for 38 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: May 18, 2001, 6:22 PM EDT (22:22 UTC)
Expired: May 18, 2001, 7:00 PM EDT
In force: 38 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Mason County, WV

What was reported inside it

Time	Report	Where	Remark
May 18, 6:34 PM EDT	Hail 1	Point Pleasant, 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.4 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: 1152 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 479 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 30 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 
WUUS51 KRLX 182224
SVRRLX

WVC053-182300-
/NEW.KRLX.SV.W.0066.182222-182300/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
622 PM EDT FRI MAY 18 2001

THE NATIONAL WEATHER SERVICE HAS EXTENDED THE

* SEVERE THUNDERSTORM WARNING FOR...
  MASON COUNTY IN WEST VIRGINIA...

* UNTIL 700 PM EDT...

* AT 617 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE 
  OF SEVERE THUNDERSTORMS JUST WEST OF POINT PLEASANT AND
  HENDERSON...MOVING EAST AT 30 MPH. 

* SOME LOCATIONS IN THE WARNED AREA INCLUDE...POINT PLEASANT AND 
  LEON. 

<<CALL TO ACTION>>IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE
A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD PRONE AREAS.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...
DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY
HEAVY RAIN.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772.

$$

LAT...LON 3877 8222 3868 8218 3868 8191 3881 8186
          3886 8192 3894 8190 3899 8194 3902 8204
          3890 8214 3884 8215 3881 8220

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 3:35 AM EDT	Flash Flood Warning	RLX	Boone	3 hr
May 18, 6:29 AM EDT	Flash Flood Warning	RLX	Boone	3 hr
May 18, 5:38 PM EDT	Severe Thunderstorm Warning	RLX	Mason	37 min
May 18, 6:30 PM EDT	Severe Thunderstorm Warning	RLX	Jackson	45 min
May 18, 6:42 PM EDT	Severe Thunderstorm Warning	RLX	Roane	33 min
May 18, 7:15 PM EDT	Severe Thunderstorm Warning	RLX	Roane	30 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2001 Every severe thunderstorm warning in 2001

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.