Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 21, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Feb 24, 2001, 11:29 PM CST for Alcorn County, Mississippi; McNairy County, Tennessee. It was in force for 31 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, 11:29 PM CST (05:29 UTC)
- Expired
- Feb 25, 2001, 12:00 AM CST
- In force
- 31 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Alcorn County, MS, McNairy County, TN
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 24, 9:30 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 5.5 hours before the alert went out and 125 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KMEG 250529 SVRMEM MSC003-TNC109-250600- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 1129 PM CST SAT FEB 24 2001 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ALCORN COUNTY IN NORTHEAST MISSISSIPPI MCNAIRY COUNTY IN SOUTHWEST TENNESSEE * UNTIL MIDNIGHT CST * AT 1125 PM CST...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER CORINTH...MOVING NORTHEAST AT 20 MPH. * CITIES IN THE PATH OF THIS STORM THROUGH MIDNIGHT CST INCLUDE... CORINTH...WENASOGA... GUYS... ACTON...EASTVIEW... MICHIE... .A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY. .STAY TUNED TO THIS NATIONAL WEATHER SERVICE BROADCAST FOR THE LATEST UPDATES AND INFORMATION. LAT...LON 3489 8874 3477 8857 3504 8837 3516 8852
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 7:28 PM CST | Tornado Warning | MEG | Quitman, Tallahatchie | 47 min |
| Feb 24, 9:12 PM CST | Tornado Warning | MEG | Calhoun, Yalobusha | 48 min |
| Feb 24, 9:41 PM CST | Tornado Warning | MEG | Chickasaw, Pontotoc | 49 min |
| Feb 24, 9:57 PM CST | Severe Thunderstorm Warning | MEG | Lee, Union | 33 min |
| Feb 24, 10:18 PM CST | Severe Thunderstorm Warning | MEG | Panola, Quitman, Tallahatchie | 27 min |
| Feb 24, 7:59 PM CST | Severe Thunderstorm Warning | MEG | Dyer, Lake, Obion | 31 min |
| Feb 24, 7:59 PM CST | Severe Thunderstorm Warning | MEG | Lauderdale, Shelby, Tipton | 31 min |
| Feb 24, 8:30 PM CST | Severe Thunderstorm Warning | MEG | Shelby | 30 min |
| Feb 24, 9:10 PM CST | Severe Thunderstorm Warning | MEG | Fayette, Shelby | 35 min |
| Feb 24, 9:35 PM CST | Severe Thunderstorm Warning | MEG | Carroll, Henry, Weakley | 25 min |
| Feb 24, 9:54 PM CST | Severe Thunderstorm Warning | MEG | Madison | 36 min |
| Feb 24, 10:34 PM CST | Severe Thunderstorm Warning | MEG | Chester, Hardin, McNairy | 41 min |
| Feb 24, 10:34 PM CST | Severe Thunderstorm Warning | MEG | Decatur, Henderson | 41 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2001Severe 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; the sounding from the Mesonet's radiosonde archive.