Alert archive / Alabama / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 13, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jan 29, 2001, 3:57 PM CST for Jefferson County, Alabama. It was in force for 63 min. 1 report 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
- Jan 29, 2001, 3:57 PM CST (21:57 UTC)
- Expired
- Jan 29, 2001, 5:00 PM CST
- In force
- 63 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Jefferson County, AL
The radar
The Birmingham radar (KBMX), 44 km from the middle of the area, began a volume at 21:58 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 29, 4:44 PM CST | Thunderstorm Wind 50 E | Birmingham, AL | Trees and power lines were knocked down on 4th Avenue South. |
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 |
|---|---|---|---|
| Jan 29, 3:00 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 10.0 hours before the alert went out and 43 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
- 1127 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KBMX 292159 SVRBHM ALC073-292300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 357 PM CST MON JAN 29 2001 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JEFFERSON COUNTY IN CENTRAL ALABAMA * UNTIL 500 PM CST * AT 353 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 17 MILES WEST OF SYLVAN SPRINGS...MOVING EAST AT 30 MPH. * LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WARRIOR... VESTAVIA HILLS...PLEASANT GROVE...LEEDS...IRONDALE...HUEYTOWN... HOOVER... FULTONDALE...FORESTDALE...CENTER POINT...BIRMINGHAM... BESSEMER AND ADAMSVILLE. STRONG DAMAGING WIND IS LIKELY WITH THIS STORM. TAKE COVER NOW. FIND SUBSTANTIAL SHELTER. AVOID WINDOWS...VEHICLES AND MOBILE HOMES.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 29, 1:44 PM CST | Severe Thunderstorm Warning | BMX | Sumter | 46 min |
| Jan 29, 2:03 PM CST | Severe Thunderstorm Warning | BMX | Pickens | 42 min |
| Jan 29, 2:38 PM CST | Severe Thunderstorm Warning | BMX | Greene | 37 min |
| Jan 29, 2:54 PM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 66 min |
| Jan 29, 2:55 PM CST | Severe Thunderstorm Warning | BMX | Hale | 50 min |
| Jan 29, 3:34 PM CST | Severe Thunderstorm Warning | BMX | Bibb, Perry | 56 min |
| Jan 29, 4:26 PM CST | Severe Thunderstorm Warning | BMX | Dallas | 49 min |
| Jan 29, 4:30 PM CST | Severe Thunderstorm Warning | BMX | Shelby | 30 min |
| Jan 29, 4:33 PM CST | Severe Thunderstorm Warning | BMX | Chilton | 42 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; radar from the NEXRAD Level II archive.