Alert archive / Virginia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 252, NWS Morristown, TN

November 10, 2002Scott County, Wise County, City of Norton, Virginia

NWS Morristown, TN issued this severe thunderstorm warning at Nov 10, 2002, 10:19 PM EST for Scott County, Wise County, City of Norton, Virginia. It was in force for 56 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
Nov 10, 2002, 10:19 PM EST (03:19 UTC)
Expired
Nov 10, 2002, 11:15 PM EST
In force
56 min
Issued by
NWS Morristown, TN
Area
Counties, with a storm outline in the text

Counties City of Norton, VA, Scott County, VA, Wise County, VA

What was reported inside it

TimeReportWhereRemark
Nov 10, 10:45 PM ESTThunderstorm WindDuffield, VA
Nov 10, 10:55 PM ESTHail 0.75Banner, 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.

IssuedProductOfficeLasted
Nov 10, 5:50 PM ESTTornado WatchSPC5 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.3 hours before the alert went out and 259 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2002-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 316 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2002-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 276 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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 office that day

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

IssuedProductOfficeCountiesLasted
Nov 10, 7:02 PM ESTTornado WarningMRXMcMinn43 min
Nov 10, 7:12 PM ESTTornado WarningMRXClaiborne48 min
Nov 10, 7:16 PM ESTTornado WarningMRXBlount, Loudon, Monroe44 min
Nov 10, 7:55 PM ESTTornado WarningMRXBlount, Knox50 min
Nov 10, 7:57 PM ESTTornado WarningMRXBledsoe33 min
Nov 10, 8:05 PM ESTTornado WarningMRXSevier40 min
Nov 10, 8:12 PM ESTTornado WarningMRXMorgan48 min
Nov 10, 8:19 PM ESTTornado WarningMRXRoane41 min
Nov 10, 8:25 PM ESTTornado WarningMRXJefferson35 min
Nov 10, 8:32 PM ESTTornado WarningMRXAnderson28 min
Nov 10, 8:41 PM ESTSevere Thunderstorm WarningMRXCampbell64 min
Nov 10, 8:45 PM ESTTornado WarningMRXKnox, Union60 min
Nov 10, 8:48 PM ESTTornado WarningMRXCocke27 min
Nov 10, 8:54 PM ESTTornado WarningMRXAnderson36 min
Nov 10, 8:59 PM ESTSevere Thunderstorm WarningMRXGreene46 min
Nov 10, 9:07 PM ESTSevere Thunderstorm WarningMRXClaiborne53 min
Nov 10, 9:13 PM ESTTornado WarningMRXBledsoe, Claiborne47 min
Nov 10, 9:28 PM ESTSevere Thunderstorm WarningMRXMorgan32 min
Nov 10, 9:28 PM ESTTornado WarningMRXGrainger47 min
Nov 10, 9:35 PM ESTTornado WarningMRXMorgan40 min
Nov 10, 9:38 PM ESTSevere Thunderstorm WarningMRXHancock52 min
Nov 10, 9:42 PM ESTSevere Thunderstorm WarningMRXCampbell48 min
Nov 10, 9:51 PM ESTTornado WarningMRXAnderson, Campbell39 min
Nov 10, 9:53 PM ESTTornado WarningMRXRoane22 min
Nov 10, 9:59 PM ESTTornado WarningMRXClaiborne, Union46 min
Nov 10, 10:05 PM ESTTornado WarningMRXHancock, Hawkins40 min
Nov 10, 10:10 PM ESTTornado WarningMRXMorgan, Roane35 min
Nov 10, 10:21 PM ESTTornado WarningMRXAnderson39 min
Nov 10, 10:37 PM ESTTornado WarningMRXHawkins, Sullivan38 min
Nov 10, 10:41 PM ESTTornado WarningMRXHancock49 min
Nov 10, 10:42 PM ESTSevere Thunderstorm WarningMRXBledsoe, Marion, Sequatchie48 min
Nov 10, 10:46 PM ESTTornado WarningMRXUnion44 min
Nov 10, 10:51 PM ESTSevere Thunderstorm WarningMRXMorgan, Roane39 min
Nov 10, 11:01 PM ESTSevere Thunderstorm WarningMRXHamilton44 min
Nov 10, 11:05 PM ESTTornado WarningMRXClaiborne, Hancock40 min
Nov 10, 11:32 PM ESTSevere Thunderstorm WarningMRXBradley, Polk43 min
Nov 10, 11:48 PM ESTSevere Thunderstorm WarningMRXAnderson, Blount, Claiborne, Grainger, Hancock, Jefferson and 5 more42 min
Nov 11, 12:15 AM ESTSevere Thunderstorm WarningMRXMonroe, Polk60 min
Nov 10, 7:39 PM ESTTornado WarningMRXLee51 min
Nov 10, 8:28 PM ESTTornado WarningMRXLee, Scott62 min
Nov 10, 10:58 PM ESTSevere Thunderstorm WarningMRXRussell, Washington47 min
Nov 10, 11:22 PM ESTSevere Thunderstorm WarningMRXWise, City of Norton38 min
Nov 10, 11:35 PM ESTTornado WarningMRXLee, Scott25 min
Nov 10, 11:43 PM ESTTornado WarningMRXRussell47 min
Nov 10, 11:58 PM ESTTornado WarningMRXScott47 min
Nov 11, 12:04 AM ESTSevere Thunderstorm WarningMRXWashington41 min
Nov 11, 12:08 AM ESTSevere Thunderstorm WarningMRXLee, Wise52 min
Nov 11, 1:15 AM ESTSevere Thunderstorm WarningMRXCherokee, Clay45 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2002Every severe thunderstorm warning 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.