Alert archive / Mississippi / Tornado Warnings in 2001

Tornado Warning 6, NWS Memphis, TN

February 24, 2001Calhoun County, Yalobusha County, Mississippi

NWS Memphis, TN issued this tornado warning at Feb 24, 2001, 9:12 PM CST for Calhoun County, Yalobusha County, Mississippi. It was in force for 48 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
Feb 24, 2001, 9:12 PM CST (03:12 UTC)
Expired
Feb 24, 2001, 10:00 PM CST
In force
48 min
Issued by
NWS Memphis, TN
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Calhoun County, MS, Yalobusha County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 24, 5:45 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.2 hours before the alert went out and 108 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 2001-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 999 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 00:00Z on 2001-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 420 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
999 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
634 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
420 m²/s²
0-3 km storm-relative helicity
489 m²/s²
Significant tornado parameter
3.2
Supercell composite
13.4

Open this sounding in Storm Lab

The text

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

025 
WFUS54 KMEG 250313
TORMEM
MSC013-161-250400-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
912 PM CST SAT FEB 24 2001

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  CALHOUN COUNTY IN NORTHEAST MISSISSIPPI
  YALOBUSHA COUNTY IN NORTHWEST MISSISSIPPI

* UNTIL 1000 PM CST

* AT 906 PM CST...WEATHER RADAR INDICATED A DEVELOPING TORNADO 12
  MILES SOUTH OF COFFEEVILLE...MOVING NORTHEAST AT 20 MPH.

* CITIES IN THE PATH OF THIS TORNADO THROUGH 1000 PM CST INCLUDE...  
  COFFEEVILLE...
  BIG CREEK...BRUCE...

.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 3383 8986 3371 8971 3387 8931 3407 8935
          3411 8957

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 7:28 PM CSTTornado WarningMEGQuitman, Tallahatchie47 min
Feb 24, 9:41 PM CSTTornado WarningMEGChickasaw, Pontotoc49 min
Feb 24, 9:57 PM CSTSevere Thunderstorm WarningMEGLee, Union33 min
Feb 24, 10:18 PM CSTSevere Thunderstorm WarningMEGPanola, Quitman, Tallahatchie27 min
Feb 24, 11:29 PM CSTSevere Thunderstorm WarningMEGAlcorn31 min

Nearby

Tornado 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.