Alert archive / Alabama / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 55, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Feb 24, 2001, 11:49 PM CST for Colbert County, Lauderdale County, Alabama. It was in force for 56 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 24, 2001, 11:49 PM CST (05:49 UTC)
- Expired
- Feb 25, 2001, 12:45 AM CST
- In force
- 56 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Colbert County, AL, Lauderdale County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 25, 12:30 AM CST | Thunderstorm Wind 50 E | Cherokee, AL | Trees were blown down just west of Cherokee. |
| Feb 25, 12:30 AM CST | Thunderstorm Wind 50 E | Florence, AL | Trees were knocked down in the Underwood and Petersville area. |
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 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 |
| Feb 24, 11:15 PM CST | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 5.8 hours before the alert went out and 180 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 738 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 355 m²/s²
- 0-3 km storm-relative helicity
- 498 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
669 WUUS54 KBMX 250549 SVRBHM ALC033-077-250645- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 1149 PM CST SAT FEB 24 2001 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... COLBERT COUNTY IN NORTHWEST ALABAMA LAUDERDALE COUNTY IN NORTHWEST ALABAMA * UNTIL 1245 AM CST * AT 1146 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 22 MILES NORTHWEST OF CHEROKEE TO 20 MILES WEST OF CHEROKEE...MOVING EAST AT 65 MPH. * LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE... UNDERWOOD-PETERSVILLE...TUSCUMBIA...SHEFFIELD...MUSCLE SHOALS AND FLORENCE. A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER...TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. LAT...LON 3507 8825 3471 8843 3465 8762 3501 8743
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 1:55 AM CST | Tornado Warning | BMX | Perry | 50 min |
| Feb 25, 2:48 AM CST | Severe Thunderstorm Warning | BMX | Dallas, Perry | 42 min |
| Feb 25, 4:00 AM CST | Severe Thunderstorm Warning | BMX | Walker | 30 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 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.