Alert archive / West Virginia / Tornado Warnings in 1999

Tornado Warning 1, NWS Charleston, WV

April 23, 1999Mingo County, West Virginia

NWS Charleston, WV issued this tornado warning at Apr 23, 1999, 2:19 PM EDT for Mingo County, West Virginia. It was in force for 51 min. 2 reports 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: Apr 23, 1999, 2:19 PM EDT (18:19 UTC)
Expired: Apr 23, 1999, 3:10 PM EDT
In force: 51 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Mingo County, WV

The radar

The Charleston,WV radar (KRLX), 74 km from the middle of the area, began a volume at 18:22 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
Apr 23, 2:30 PM EDT	Thunderstorm Wind	Naugatuck, WV	Large tree branches were blown down.
Apr 23, 2:44 PM EDT	Hail 1.75	Williamson, 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.

Issued	Product	Office	Lasted
Apr 23, 1:45 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.3 hours before the alert went out and 238 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: 382 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 993 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 320 m²/s²
0-3 km storm-relative helicity: 342 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRW 231819 RRA
TORCRW
WVC059-231910-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
219 PM EDT FRI APR 23 1999

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  MINGO COUNTY WEST VIRGINIA.

* UNTIL 310 PM EDT.

* AT 218 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO 6 MILES NORTHWEST OF WILLIAMSON OR IN THE VICINITY OF
  NAUGATUCK... MOVING EAST AT 45 MPH.

* SOME COMMUNITIES WHICH MAY BE AFFECTED BY THIS STORM ARE...
   NAUGATUCK.
   NOLAN.
   WILLIAMSON.
   DELBARTON.
   MATEWAN.

<<CALL TO ACTION>>IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A
SMALL INTERIOR ROOM AWAY FROM WINDOWS.

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

.END/JFD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 1:18 PM EDT	Severe Thunderstorm Warning	RLX	Tyler	47 min
Apr 23, 1:46 PM EDT	Severe Thunderstorm Warning	RLX	Doddridge	49 min
Apr 23, 2:03 PM EDT	Severe Thunderstorm Warning	RLX	Harrison	47 min
Apr 23, 2:23 PM EDT	Severe Thunderstorm Warning	RLX	Barbour	47 min
Apr 23, 2:52 PM EDT	Tornado Warning	RLX	Wyoming	48 min
Apr 23, 2:56 PM EDT	Severe Thunderstorm Warning	RLX	Randolph	34 min
Apr 23, 3:05 PM EDT	Severe Thunderstorm Warning	RLX	McDowell	50 min
Apr 23, 3:32 PM EDT	Severe Thunderstorm Warning	RLX	Upshur	33 min
Apr 23, 3:41 PM EDT	Severe Thunderstorm Warning	RLX	Randolph	34 min
Apr 23, 4:16 PM EDT	Severe Thunderstorm Warning	RLX	Pocahontas	34 min
Apr 23, 5:37 PM EDT	Severe Thunderstorm Warning	RLX	Barbour	38 min
Apr 23, 6:34 PM EDT	Severe Thunderstorm Warning	RLX	Fayette	31 min

Nearby

Tornado Warnings in West Virginia, 1999 Every tornado warning in 1999 Tornadoes in 1999

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.