Alert archive / Tennessee / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 2, NWS Memphis, TN

February 21, 2001Fayette County, Hardeman County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Feb 21, 2001, 9:35 PM CST for Fayette County, Hardeman County, Tennessee. It was in force for 25 min. 3 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
Feb 21, 2001, 9:35 PM CST (03:35 UTC)
Expired
Feb 21, 2001, 10:00 PM CST
In force
25 min
Issued by
NWS Memphis, TN
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Fayette County, TN, Hardeman County, TN

The radar

The Memphis radar (KNQA), 72 km from the middle of the area, began a volume at 03:35 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

TimeReportWhereRemark
Feb 21, 9:45 PM CSTHail 1.75La Grange, TN
Feb 21, 9:45 PM CSTHail 1Bolivar, TNHail ranged in size from dimes to quarters.
Feb 21, 9:55 PM CSTThunderstorm WindMiddleton, TNSome trees 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 nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.6 hours before the alert went out and 91 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 00:00Z on 2001-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2001-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
462 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMEG 220335
SVRMEM
TNC047-069-220400-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
935 PM CST WED FEB 21 2001

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN FAYETTE COUNTY IN SOUTHWEST TENNESSEE
  HARDEMAN COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 1000 PM CST

* AT 929 PM CST...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 8
  MILES SOUTHWEST OF WHITEVILLE...MOVING EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BOLIVAR...CLOVERPORT AROUND 945 PM CST
  HORNSBY...POCAHONTAS AROUND 950 PM CST
  SILERTON AROUND 955 PM CST

* CITIES IN THE PATH OF THIS STORM THROUGH 1000 PM CST INCLUDE...
  BOLIVAR...CLOVERPORT...
  HORNSBY...POCAHONTAS...
  SILERTON...

.DAMAGING WINDS AND LARGE HAIL ARE LIKELY WITH THIS STORM. SEEK
SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

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

LAT...LON 3540 8926 3502 8927 3501 8881 3540 8882

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 21, 9:19 PM CSTSevere Thunderstorm WarningMEGCrockett, Haywood, Madison26 min
Feb 21, 9:45 PM CSTSevere Thunderstorm WarningMEGCarroll, Henderson, Madison40 min
Feb 21, 9:57 PM CSTSevere Thunderstorm WarningMEGChester, Hardin, McNairy48 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2001Every severe thunderstorm warning 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.