Alert archive / Tennessee / Tornado Warnings in 2001

Tornado Warning 14, NWS Memphis, TN

September 13, 2001Fayette County, Tennessee; Benton County, Mississippi

NWS Memphis, TN issued this tornado warning at Sep 13, 2001, 4:31 AM CDT for Fayette County, Tennessee; Benton County, Mississippi. It was in force for 29 min. No storm report in the archive falls 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.

The facts

Issued
Sep 13, 2001, 4:31 AM CDT (09:31 UTC)
Expired
Sep 13, 2001, 5:00 AM CDT
In force
29 min
Issued by
NWS Memphis, TN
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Benton County, MS, Fayette County, TN

The radar

The Memphis radar (KNQA), 66 km from the middle of the area, began a volume at 09:32 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 9.5 hours before the alert went out and 276 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 2001-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1772 joules per kilogram.LCLEL10008507005003002001001 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 2001-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 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
1772 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1588 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

675 
WFUS54 KMEG 130931
TORMEM
MSC009-TNC047-131000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
431 AM CDT THU SEP 13 2001

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWEST BENTON COUNTY IN NORTHEAST MISSISSIPPI
  SOUTHEAST FAYETTE COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 500 AM CDT.

* AT 426 AM CDT...WEATHER RADAR INDICATED A TORNADO  SOUTHWEST OF    
  MICHIGAN CITY...MOVING NORTHEAST AT 10 MPH.

* CITIES IN THE PATH OF THIS TORNADO THROUGH 500 AM CDT INCLUDE...
  MICHIGAN CITY...
  LAGRANGE...LA GRANGE...

.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 3493 8942 3483 8924 3504 8919 3517 8926

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 2:00 AM CDTSevere Thunderstorm WarningMEGDecatur, Hardin30 min
Sep 13, 2:32 AM CDTSevere Thunderstorm WarningMEGHardin, McNairy43 min
Sep 13, 3:19 AM CDTSevere Thunderstorm WarningMEGMcNairy26 min
Sep 13, 4:16 AM CDTSevere Thunderstorm WarningMEGHardeman29 min
Sep 13, 5:06 AM CDTSevere Thunderstorm WarningMEGTate39 min

Nearby

Tornado Warnings in Tennessee, 2001Tornado Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.