Alert archive / Tennessee / Tornado Warnings in 2001

Tornado Warning 21, NWS Memphis, TN

November 24, 2001Fayette County, Shelby County, Tennessee

NWS Memphis, TN issued this tornado warning at Nov 24, 2001, 4:15 AM CST for Fayette County, Shelby County, Tennessee. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Nov 24, 2001, 4:15 AM CST (10:15 UTC)
Expired: Nov 24, 2001, 5:00 AM CST
In force: 45 min
Issued by: NWS Memphis, TN
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Fayette County, TN, Shelby County, TN

The radar

The Memphis radar (KNQA), 29 km from the middle of the area, began a volume at 10:19 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
Nov 24, 4:25 AM CST	Thunderstorm Wind	Collierville, TN	Several homes and businesses were damaged. Numerous trees were knocked down.
Nov 24, 5:10 AM CST	Thunderstorm Wind	Oakland, TN	Numerous power lines and some trees were knocked 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.

Issued	Product	Office	Lasted
Nov 24, 2:30 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 10.3 hours before the alert went out and 41 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: 571 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 945 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 331 m²/s²
0-3 km storm-relative helicity: 419 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

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

854 
WFUS54 KMEG 241016
TORMEM
TNC047-157-241100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
415 AM CST SAT NOV 24 2001

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN AND NORTHERN FAYETTE COUNTY IN SOUTHWEST TENNESSEE
  EASTERN SHELBY COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 500 AM CST.

* AT 414 AM CST...WEATHER RADAR CONTINUED TO INDICATE A TORNADO 8    
  MILES SOUTH OF GERMANTOWN...MOVING NORTHEAST AT 45 MPH.

* CITIES IN THE PATH OF THIS TORNADO THROUGH 500 AM CST INCLUDE...
  GERMANTOWN...PIPERTON...
  COLLIERVILLE...
  EADS...LAKELAND...
  OAKLAND...ARLINGTON...
  GALLAWAY...
  BRADEN...

.IF YOU ARE NEAR THE PATH OF THIS TORNADO...TAKE COVER IN AN INTERIOR
ROOM ON THE LOWEST FLOOR. PROTECT YOUR BODY FROM FLYING DEBRIS.

.STAY TUNED TO THIS NATIONAL WEATHER SERVICE BROADCAST FOR THE LATEST
UPDATES AND INFORMATION.

LAT...LON 3499 8993 3499 8972 3499 8964 3540 8928
          3541 8964

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 24, 4:52 AM CST	Flash Flood Warning	MEG	Fayette, Shelby	2 hr
Nov 24, 5:03 AM CST	Tornado Warning	MEG	Fayette, Haywood	42 min
Nov 24, 5:50 AM CST	Severe Thunderstorm Warning	MEG	Madison	40 min
Nov 24, 6:09 AM CST	Severe Thunderstorm Warning	MEG	Carroll, Gibson	51 min
Nov 24, 6:56 AM CST	Severe Thunderstorm Warning	MEG	Henry	34 min

Nearby

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