Alert archive / West Virginia / Tornado Watches in 2000

Tornado Watch 799

November 9, 20004 states

The Storm Prediction Center issued this tornado watch at Nov 9, 2000, 5:45 PM EST for 4 states. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Nov 9, 2000, 5:45 PM EST (22:45 UTC)
Expired: Nov 9, 2000, 9:00 PM EST
In force: 3 hr
Issued by: the Storm Prediction Center

All 78 counties

Boyd County, KY, Carter County, KY, Elliott County, KY, Floyd County, KY, Greenup County, KY, Harlan County, KY, Johnson County, KY, Knott County, KY, Lawrence County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, Pike County, KY, Athens County, OH, Belmont County, OH, Fairfield County, OH, Gallia County, OH, Guernsey County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Licking County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pike County, OH, Scioto County, OH, Vinton County, OH, Washington County, OH, Bland County, VA, Buchanan County, VA, City of Bristol, VA, City of Galax, VA, City of Norton, VA, Dickenson County, VA, Grayson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Marshall County, WV, Mason County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Nicholas County, WV, Ohio County, WV, Pleasants County, WV, Putnam County, WV, Raleigh County, WV, Ritchie County, WV, Roane County, WV, Summers County, WV, Tyler County, WV, Wayne County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 49 km from the middle of the area, began a volume at 22:47 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.

Warnings issued inside it

10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Nov 9, 5:57 PM EST	Severe Thunderstorm Warning	MRX	Scott	48 min
Nov 9, 5:57 PM EST	Severe Thunderstorm Warning	MRX	Lee	48 min
Nov 9, 5:59 PM EST	Severe Thunderstorm Warning	ILN	Hocking, Pickaway	61 min
Nov 9, 6:13 PM EST	Severe Thunderstorm Warning	MRX	Wise, City of Norton	47 min
Nov 9, 6:14 PM EST	Severe Thunderstorm Warning	JKL	Harlan, Letcher	31 min
Nov 9, 6:19 PM EST	Severe Thunderstorm Warning	ILN	Fairfield	56 min
Nov 9, 6:23 PM EST	Severe Thunderstorm Warning	JKL	Martin, Pike	52 min
Nov 9, 6:44 PM EST	Severe Thunderstorm Warning	MRX	Washington, City of Bristol	46 min
Nov 9, 6:44 PM EST	Severe Thunderstorm Warning	MRX	Russell, Scott	46 min
Nov 9, 7:15 PM EST	Severe Thunderstorm Warning	ILN	Delaware, Licking	60 min

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.8 hours before the alert went out and 208 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: 148 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 532 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 202 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

902 
WWUS9 KMKC 092239
SEL9  
MKC WW 092227
KYZ000-OHZ000-VAZ000-WVZ000-100200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 799
STORM PREDICTION CENTER NORMAN OK
527 PM EST THU NOV 9 2000

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   EASTERN KENTUCKY                           
   SOUTHERN AND EASTERN OHIO                               
   WESTERN VIRGINIA                           
   WESTERN WEST VIRGINIA                      

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 545 PM UNTIL 900
PM EST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO
80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES SOUTH SOUTHEAST OF PIKEVILLE KENTUCKY TO 20
MILES NORTH NORTHEAST OF ZANESVILLE OHIO.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...  CONTINUE...WW 796...WW 797...WW 798...

DISCUSSION...INTENSE SQUALL LINE EXPECTED TO CONTINUE SURGING NEWD
INTO SRN OH...WHERE 50+ KT DEEP-LAYER SHEAR WILL REMAIN ADEQUATE
FOR EMBEDDED SUPERCELLS.  STRONG SURFACE PRESSURE FALLS ACROSS
REGION ALSO LIKELY TO MAINTAIN BACKED LOW-LEVEL FLOW /SRH ON THE
ORDER OF 200 M2/S2/...THEREBY ENHANCING THREAT FOR ISOLATED
TORNADOES IN ADDITION TO DAMAGING BOW WINDS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 22045.

...CORFIDI

401,0803 363,0805 363,0831 401,0825

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 9, 12:00 PM EST	Tornado Watch	SPC	Adair, Allen, Barren, Breckinridge, Bullitt, Butler and 28 more	5 hr
Nov 9, 2:00 PM EST	Tornado Watch	SPC	Carroll, Trimble	5 hr
Nov 9, 3:00 PM EST	Tornado Watch	SPC	Anderson, Bath, Bell, Bourbon, Boyle, Bracken and 49 more	5 hr
Nov 9, 4:00 PM EST	Tornado Watch	SPC	Boone, Bracken, Campbell, Gallatin, Grant, Kenton and 1 more	5 hr

Nearby

Tornado Watches in West Virginia, 2000 Tornado Watches in Ohio, 2000 Tornado Watches in Virginia, 2000 Every tornado watch in 2000

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.