Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 263, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 28, 1997, 1:46 PM CDT for Talladega County, Alabama. It was in force for 34 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
- Apr 28, 1997, 1:46 PM CDT (18:46 UTC)
- Expired
- Apr 28, 1997, 2:20 PM CDT
- In force
- 34 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Talladega County, AL
The radar
The Birmingham radar (KBMX), 61 km from the middle of the area, began a volume at 18:50 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 |
|---|---|---|---|
| Apr 28, 1:51 PM CDT | Hail 0.75 | Lincoln, AL | Dime size hail was reported in Lincoln. |
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 nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.8 hours before the alert went out and 61 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
- 263 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 504 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
535 WUUS1 KBHM 281848 RRA SVRBHM ALC121-281920- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 146 PM CDT MON APR 28 1997 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 220 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ALABAMA ...NORTHERN TALLADEGA AT 145 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY WEATHER RADAR 5 MILES SOUTHWEST OF LINCOLN MOVING NORTHEAST AT 25 MPH. SOME LOCATIONS IN THE PATH OF THIS STORM ARE... LINCOLN AROUND 146 PM CDT EASTABOGA AROUND 158 PM CDT MUNFORD AROUND 201 PM CDT JENIFER AROUND 204 PM CDT ...AND AREAS NORTH OF INTERSTATE 20. THESE STORMS HAVE PRODUCED 3/4 SIZE INCH HAIL DURING THE PAST HOUR. IF YOU ARE CAUGHT OUTSIDE... SEEK REFUGE FROM THE STORM IN A STRONG BUILDING. BOATERS ON AREA LAKES SHOULD TAKE SHELTER. DAMAGING WIND... LARGE HAIL... VERY HEAVY RAIN... AND DANGEROUS LIGHTNING ARE ALL LIKELY. DO NOT SEEK SHELTER UNDER TREES OR OTHER ISOLATED TALL OBJECTS. THESE ATTRACT LIGHTNING. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 1:10 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 30 min |
| Apr 28, 2:10 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 60 min |
| Apr 28, 2:52 PM CDT | Severe Thunderstorm Warning | BMX | Etowah, St. Clair | 63 min |
| Apr 28, 3:53 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 62 min |
| Apr 28, 4:16 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 49 min |
| Apr 28, 4:46 PM CDT | Severe Thunderstorm Warning | BMX | Etowah | 64 min |
| Apr 28, 4:49 PM CDT | Severe Thunderstorm Warning | BMX | Marshall | 56 min |
| Apr 28, 4:56 PM CDT | Severe Thunderstorm Warning | BMX | Cullman, Winston | 64 min |
| Apr 28, 5:02 PM CDT | Severe Thunderstorm Warning | BMX | DeKalb | 58 min |
| Apr 28, 5:13 PM CDT | Severe Thunderstorm Warning | BMX | Limestone, Madison | 62 min |
| Apr 28, 5:21 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 49 min |
| Apr 28, 5:40 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 65 min |
| Apr 28, 5:51 PM CDT | Tornado Warning | BMX | DeKalb | 69 min |
| Apr 28, 6:08 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 32 min |
| Apr 28, 6:15 PM CDT | Flash Flood Warning | BMX | Etowah | 2 hr |
| Apr 28, 6:15 PM CDT | Severe Thunderstorm Warning | BMX | Marshall | 60 min |
| Apr 28, 6:27 PM CDT | Severe Thunderstorm Warning | BMX | Etowah | 48 min |
| Apr 28, 6:31 PM CDT | Tornado Warning | BMX | Marshall | 59 min |
| Apr 28, 6:44 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 66 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm warning in 1997
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.