Alert archive / Tennessee / Tornado Warnings in 2002

Tornado Warning 13, NWS Morristown, TN

November 10, 2002Blount County, Knox County, Tennessee

NWS Morristown, TN issued this tornado warning at Nov 10, 2002, 7:55 PM EST for Blount County, Knox County, Tennessee. It was in force for 50 min. 5 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, 7:55 PM EST (00:55 UTC)
Expired
Nov 10, 2002, 8:45 PM EST
In force
50 min
Issued by
NWS Morristown, TN
Area
Whole counties

Counties Blount County, TN, Knox County, TN

The radar

The Knoxville radar (KMRX), 60 km from the middle of the area, began a volume at 00:54 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

TimeReportWhereRemark
Nov 10, 8:00 PM ESTThunderstorm WindMiser Station, TN
Nov 10, 8:12 PM ESTHail 1.75Louisville, TN
Nov 10, 8:14 PM ESTHail 1.75Knoxville, TN
Nov 10, 8:15 PM ESTThunderstorm WindLouisville, TN
Nov 10, 8:20 PM ESTThunderstorm WindCountywide, TN

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

Nashville Metro, TN (KBNA), launched 00:00Z, 0.9 hours before the alert went out and 242 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, Nashville Metro, TN at 00:00Z on 2002-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1368 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, Nashville Metro, TN at 00:00Z on 2002-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 490 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
1368 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1177 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
490 m²/s²
0-3 km storm-relative helicity
560 m²/s²
Significant tornado parameter
0.0
Supercell composite
15.0

Open this sounding in Storm Lab

The text

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

363 
WFUS54 KMRX 110055
TORMRX
TNC009-093-110145-

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

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  BLOUNT COUNTY IN EAST TENNESSEE
  KNOX COUNTY IN EAST TENNESSEE

* UNTIL 845 PM EST

* AT 748 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR FRIENDSVILLE...
  OR 8 MILES WEST OF MARYVILLE...MOVING NORTHEAST AT 50 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  EAGLETON VILLAGE AROUND 800 PM EST
  WILDWOOD AROUND 805 PM EST
  LAKE FOREST AROUND 810 PM EST
  KIMBERLIN HEIGHTS AROUND 815 PM EST
  9 MILES SOUTHEAST OF STRAWBERRY PLAINS AROUND 825 PM EST

THIS IS A VERY 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.

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, 7:57 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

Nearby

Tornado Warnings in Tennessee, 2002Every tornado warning in 2002Tornadoes 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.