Alert archive / Tennessee / Tornado Warnings in 2000

Tornado Warning 4, NWS Morristown, TN

May 23, 2000Knox County, Tennessee

NWS Morristown, TN issued this tornado warning at May 23, 2000, 5:03 PM EDT for Knox County, Tennessee. It was in force for 42 min. 4 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, 5:03 PM EDT (21:03 UTC)
Expired: May 23, 2000, 5:45 PM EDT
In force: 42 min
Issued by: NWS Morristown, TN
Area: Whole counties

County Knox County, TN

What was reported inside it

Time	Report	Where
May 23, 5:05 PM EDT	Hail 1	Fountain City, TN
May 23, 5:05 PM EDT	Thunderstorm Wind	Countywide, TN
May 23, 5:05 PM EDT	Tornado F1	Powell, TN
May 23, 5:20 PM EDT	Thunderstorm Wind 69 E	Knoxville, 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, 2:00 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.1 hours before the alert went out and 240 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.

693 
WFUS54 KMRX 232103
TORMRX
TNC093-232145-

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

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  KNOX COUNTY IN EASTERN TENNESSEE

* UNTIL 545 PM EDT

* AT 459 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR BEARDEN...OR
  NEAR KNOXVILLE...MOVING EAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  LAKE FOREST AROUND 510 PM EDT

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

$$

LAT...LON 3597 8413 3584 8397 3587 8385 3619 8383

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, 5:21 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
May 23, 7:34 PM EDT	Tornado Warning	MRX	Anderson, Union	26 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.