Alert archive / Virginia / Tornado Warnings in 2002

Tornado Warning 39, NWS Morristown, TN

November 10, 2002Scott County, Virginia

NWS Morristown, TN issued this tornado warning at Nov 10, 2002, 11:58 PM EST for Scott County, Virginia. It was in force for 47 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: Nov 10, 2002, 11:58 PM EST (04:58 UTC)
Expired: Nov 11, 2002, 12:45 AM EST
In force: 47 min
Issued by: NWS Morristown, TN
Area: Whole counties

County Scott County, VA

The radar

The Knoxville radar (KMRX), 94 km from the middle of the area, began a volume at 05:01 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
Nov 11, 12:30 AM EST	Thunderstorm Wind	Countywide, VA

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
Nov 10, 10:45 PM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 5.0 hours before the alert went out and 252 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: 316 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 840 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 276 m²/s²
0-3 km storm-relative helicity: 400 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

329 
WFUS54 KMRX 110458
TORMRX
VAC169-110545-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
1158 PM EST SUN NOV 10 2002

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  SCOTT COUNTY IN SOUTHWEST VIRGINIA

* UNTIL 1245 AM EST

* AT 1156 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 4 MILES WEST OF
  DUFFIELD...OR 14 MILES EAST OF JONESVILLE...MOVING EAST AT 75 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  FORT BLACKMORE AROUND 1210 AM EST
  DUNGANNON AROUND 1215 AM EST

THIS IS A DANGEROUS STORM TAKE COVER IMMEDIATELY

IF IN A MOBILE HOME OR VEHICLE...LEAVE IT IMMEDIATELY AND GET INSIDE
A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH AND COVER YOUR HEAD WITH YOUR HANDS.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS. TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE.

$$

DMG

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 10, 7:39 PM EST	Tornado Warning	MRX	Lee	51 min
Nov 10, 8:28 PM EST	Tornado Warning	MRX	Lee, Scott	62 min
Nov 10, 9:38 PM EST	Severe Thunderstorm Warning	MRX	Lee	52 min
Nov 10, 10:19 PM EST	Severe Thunderstorm Warning	MRX	Scott, Wise, City of Norton	56 min
Nov 10, 10:41 PM EST	Tornado Warning	MRX	Lee	49 min
Nov 10, 10:46 PM EST	Tornado Warning	MRX	Scott	44 min
Nov 10, 10:58 PM EST	Severe Thunderstorm Warning	MRX	Russell, Washington	47 min
Nov 10, 11:22 PM EST	Severe Thunderstorm Warning	MRX	Wise, City of Norton	38 min
Nov 10, 11:35 PM EST	Tornado Warning	MRX	Lee, Scott	25 min
Nov 10, 11:43 PM EST	Tornado Warning	MRX	Russell	47 min
Nov 11, 12:04 AM EST	Severe Thunderstorm Warning	MRX	Washington	41 min
Nov 11, 12:08 AM EST	Severe Thunderstorm Warning	MRX	Lee, Wise	52 min

Nearby

Tornado Warnings in Virginia, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.