Alert archive / Tennessee / Tornado Warnings in 2000

Tornado Warning 8, NWS Morristown, TN

May 23, 2000Anderson County, Union County, Tennessee

NWS Morristown, TN issued this tornado warning at May 23, 2000, 7:34 PM EDT for Anderson County, Union County, Tennessee. It was in force for 26 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: May 23, 2000, 7:34 PM EDT (23:34 UTC)
Expired: May 23, 2000, 8:00 PM EDT
In force: 26 min
Issued by: NWS Morristown, TN
Area: Whole counties

Counties Anderson County, TN, Union County, TN

The radar

The Knoxville radar (KMRX), 55 km from the middle of the area, began a volume at 23:35 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
May 23, 7:40 PM EDT	Hail 0.75	Clinton, TN
May 23, 7:45 PM EDT	Thunderstorm Wind	Countywide, 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.

Issued	Product	Office	Lasted
May 23, 7:15 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.6 hours before the alert went out and 232 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: 25 J/kg
Mixed-layer CIN: -194 J/kg
Mixed-layer LCL: 1129 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 232 m²/s²
0-3 km storm-relative helicity: 311 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

949 
WFUS54 KMRX 232335
TORMRX
TNC001-173-240000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
734 PM EDT TUE MAY 23 2000

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEAST ANDERSON COUNTY IN EASTERN TENNESSEE
  UNION COUNTY IN EASTERN TENNESSEE

* UNTIL 800 PM EDT

* AT 730 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR NORRIS...OR 9
  MILES SOUTHEAST OF LA FOLLETTE...MOVING SOUTHEAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  NORRIS LAKE AROUND 740 PM EDT
  PAULETTE AROUND 750 PM EDT
  MAYNARDVILLE AROUND 755 PM EDT
  LUTTRELL AROUND 800 PM EDT

THIS DANGEROUS STORM IS ALSO CAPABLE OF PRODUCING WINDS UP TO 90
MPH...AND GOLFBALL SIZE HAIL OR LARGER.

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

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 3:20 PM EDT	Severe Thunderstorm Warning	MRX	Scott	55 min
May 23, 4:06 PM EDT	Severe Thunderstorm Warning	MRX	Scott	39 min
May 23, 4:16 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Campbell	59 min
May 23, 4:36 PM EDT	Severe Thunderstorm Warning	MRX	Knox	54 min
May 23, 4:57 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Sevier	63 min
May 23, 5:03 PM EDT	Tornado Warning	MRX	Knox	42 min
May 23, 5:21 PM EDT	Tornado Warning	MRX	Blount, Sevier	54 min
May 23, 6:31 PM EDT	Severe Thunderstorm Warning	MRX	Scott	44 min
May 23, 6:51 PM EDT	Tornado Warning	MRX	Scott	24 min
May 23, 7:07 PM EDT	Tornado Warning	MRX	Campbell	38 min

Nearby

Tornado Warnings in Tennessee, 2000 Every tornado warning in 2000 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.