Alert archive / Tennessee / Tornado Warnings in 2000

Tornado Warning 12, NWS Memphis, TN

February 18, 2000Fayette County, Shelby County, Tennessee

NWS Memphis, TN issued this tornado warning at Feb 18, 2000, 4:02 PM CST for Fayette County, Shelby County, Tennessee. It was in force for 58 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
Feb 18, 2000, 4:02 PM CST (22:02 UTC)
Expired
Feb 18, 2000, 5:00 PM CST
In force
58 min
Issued by
NWS Memphis, TN
Area
Whole counties

Counties Fayette County, TN, Shelby County, TN

The radar

The Memphis radar (KNQA), 26 km from the middle of the area, began a volume at 22:05 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
Feb 18, 4:40 PM CSTHail 0.75Moscow, TN
Feb 18, 4:50 PM CSTThunderstorm WindMoscow, TNA mobile home was destroyed and a roof was blown off of another house. Two other homes were severly damaged. Several trees and power lines were blown down.

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
Feb 18, 2:00 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.0 hours before the alert went out and 48 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, Little Rock, AR at 12:00Z on 2000-02-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 84 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2000-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 519 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
84 J/kg
Mixed-layer CIN
-282 J/kg
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
519 m²/s²
0-3 km storm-relative helicity
495 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 182201
TORMEM
TNC047-157-182305-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
402 PM CST FRI FEB 18 2000


THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  FAYETTE COUNTY IN WESTERN TENNESSEE
  SOUTHEASTERN SHELBY COUNTY IN WESTERN TENNESSEE

* UNTIL 500 PM CST

* AT 400 PM CST... DOPPLER RADAR INDICATED A TORNADO 3 MILES
  SOUTHWEST OF COLLIERVILLE... MOVING EAST NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  COLLIERVILLE AROUND 405 PM CST
  ROSSVILLE AROUND 420 PM CST
  MOSCOW AROUND 435 PM CST

.A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 3:11 PM CSTSevere Thunderstorm WarningMEGShelby49 min
Feb 18, 3:24 PM CSTTornado WarningMEGShelby46 min
Feb 18, 4:50 PM CSTSevere Thunderstorm WarningMEGWeakley35 min
Feb 18, 4:54 PM CSTTornado WarningMEGHardeman61 min
Feb 18, 5:07 PM CSTSevere Thunderstorm WarningMEGHenry48 min
Feb 18, 5:27 PM CSTSevere Thunderstorm WarningMEGMcNairy48 min

Nearby

Tornado Warnings in Tennessee, 2000Every tornado warning in 2000Tornadoes 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.