Alert archive / Alabama / Tornado Watches in 2001
Tornado Watch 38
The Storm Prediction Center issued this tornado watch at Feb 24, 2001, 11:15 PM CST for 29 counties in Alabama. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2001, 11:15 PM CST (05:15 UTC)
- Expired
- Feb 25, 2001, 3:00 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 29 counties
Autauga County, AL, Bibb County, AL, Blount County, AL, Butler County, AL, Chilton County, AL, Clarke County, AL, Cullman County, AL, Dallas County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jackson County, AL, Jefferson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Lowndes County, AL, Madison County, AL, Marengo County, AL, Marshall County, AL, Monroe County, AL, Morgan County, AL, Perry County, AL, Shelby County, AL, St. Clair County, AL, Tuscaloosa County, AL, Walker County, AL, Wilcox County, AL, Winston County, AL
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 11:49 PM CST | Severe Thunderstorm Warning | BMX | Colbert, Lauderdale | 56 min |
| Feb 25, 12:32 AM CST | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Marengo | 58 min |
| Feb 25, 12:44 AM CST | Severe Thunderstorm Warning | BMX | Colbert, Franklin, Lauderdale | 46 min |
| Feb 25, 12:50 AM CST | Severe Thunderstorm Warning | BMX | Winston | 25 min |
| Feb 25, 1:29 AM CST | Severe Thunderstorm Warning | MOB | Marengo | 31 min |
| Feb 25, 1:37 AM CST | Tornado Warning | MOB | Marengo | 23 min |
| Feb 25, 1:55 AM CST | Tornado Warning | BMX | Perry | 50 min |
| Feb 25, 1:58 AM CST | Tornado Warning | MOB | Marengo | 32 min |
| Feb 25, 2:48 AM CST | Severe Thunderstorm Warning | BMX | Dallas, Perry | 42 min |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 5.3 hours before the alert went out and 58 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
- 19 J/kg
- Mixed-layer CIN
- -197 J/kg
- Mixed-layer LCL
- 599 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 356 m²/s²
- 0-3 km storm-relative helicity
- 510 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS9 KMKC 250501 SEL8 SEL8 MKC WW 250456 ALZ000-250900- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 38 STORM PREDICTION CENTER NORMAN OK 1056 PM CST SAT FEB 24 2001 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF MUCH OF CENTRAL AND WESTERN ALABAMA EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1115 PM UNTIL 300 AM CST. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 50 STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTH SOUTHWEST OF SELMA ALABAMA TO 20 MILES NORTH OF HUNTSVILLE ALABAMA. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION... CONTINUE...WW 34...WW 35...WW 36...WW 37... DISCUSSION...SCATTERED SUPERCELL THUNDERSTORMS ARE INCREASING ACROSS EASTERN MS AND WESTERN AL. LOCAL SHEAR PROFILES ARE FAVORABLE FOR SEVERE STORMS PRODUCING DAMAGING WINDS AND ISOLATED TORNADOES FOR AT LEAST THE NEXT FEW HOURS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTeS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23040. ...HART ;345,0855 313,0863 313,0881 345,0873;
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 9:30 PM CST | Tornado Watch | SPC | Colbert, Lauderdale | 5 hr |
Nearby
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.