Alert archive / Tennessee / Tornado Warnings in 2001

Tornado Warning 3, NWS Morristown, TN

October 25, 2001McMinn County, Tennessee

NWS Morristown, TN issued this tornado warning at Oct 25, 2001, 12:03 AM EDT for McMinn County, Tennessee. It was in force for 27 min. 3 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
Oct 25, 2001, 12:03 AM EDT (04:03 UTC)
Expired
Oct 25, 2001, 12:30 AM EDT
In force
27 min
Issued by
NWS Morristown, TN
Area
Whole counties

County McMinn County, TN

The radar

The Knoxville radar (KMRX), 137 km from the middle of the area, began a volume at 04:06 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
Oct 25, 12:06 AM EDTThunderstorm WindCountywide, TNTrees and power lines down. A tree fell on a house in Riceville.
Oct 25, 12:25 AM EDTThunderstorm WindCountywide, TNTrees down.
Oct 25, 12:25 AM EDTHail 0.75Etowah, 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
Oct 24, 10:00 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.1 hours before the alert went out and 195 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 2001-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 659 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 2001-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 square meters per square second.19395878Sfc1 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
659 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1147 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
385 m²/s²
Significant tornado parameter
1.2
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

481 
WFUS54 KMRX 250403
TORMRX
TNC107-250430-
/NEW.KMRX.TO.W.0002.250403-250430/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
1203 AM EDT THU OCT 25 2001

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  MCMINN COUNTY IN EAST TENNESSEE

* UNTIL 1230 AM EDT

* AT 1159 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 4 MILES SOUTHWEST OF
  ETOWAH...OR 10 MILES SOUTH OF ATHENS...MOVING SOUTHEAST AT 30 MPH.

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.

$$

LAT...LON 3544 8462 3529 8470 3531 8452 3546 8448

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 10:45 PM EDTSevere Thunderstorm WarningMRXBledsoe, Marion, Sequatchie60 min
Oct 24, 11:01 PM EDTSevere Thunderstorm WarningMRXMorgan, Scott44 min
Oct 24, 11:10 PM EDTTornado WarningMRXBledsoe35 min
Oct 24, 11:13 PM EDTSevere Thunderstorm WarningMRXHamilton, Meigs, Rhea62 min
Oct 24, 11:23 PM EDTSevere Thunderstorm WarningMRXRoane52 min
Oct 24, 11:35 PM EDTSevere Thunderstorm WarningMRXCampbell25 min
Oct 24, 11:41 PM EDTSevere Thunderstorm WarningMRXMcMinn34 min
Oct 24, 11:43 PM EDTSevere Thunderstorm WarningMRXAnderson, Knox32 min
Oct 24, 11:51 PM EDTSevere Thunderstorm WarningMRXLoudon, Monroe39 min
Oct 24, 11:57 PM EDTSevere Thunderstorm WarningMRXHamilton, Marion48 min
Oct 24, 11:59 PM EDTSevere Thunderstorm WarningMRXClaiborne, Union21 min
Oct 25, 12:12 AM EDTSevere Thunderstorm WarningMRXBlount48 min
Oct 25, 12:14 AM EDTSevere Thunderstorm WarningMRXGrainger, Hamblen, Hawkins, Jefferson31 min
Oct 25, 12:14 AM EDTSevere Thunderstorm WarningMRXClaiborne, Hancock31 min
Oct 25, 12:14 AM EDTSevere Thunderstorm WarningMRXKnox31 min
Oct 25, 12:25 AM EDTSevere Thunderstorm WarningMRXBradley35 min
Oct 25, 12:33 AM EDTSevere Thunderstorm WarningMRXMcMinn, Polk42 min
Oct 25, 12:44 AM EDTSevere Thunderstorm WarningMRXSevier46 min
Oct 25, 1:02 AM EDTSevere Thunderstorm WarningMRXCocke, Greene28 min

Nearby

Tornado Warnings in Tennessee, 2001Every tornado warning in 2001Tornadoes in 2001

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.