Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 272, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 28, 1997, 5:13 PM CDT for Limestone County, Madison County, Alabama. It was in force for 62 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
- Apr 28, 1997, 5:13 PM CDT (22:13 UTC)
- Expired
- Apr 28, 1997, 6:15 PM CDT
- In force
- 62 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Limestone County, AL, Madison County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 28, 5:15 PM CDT | Hail 0.75 | Capshaw, AL | Three-quarter inch hail was reported south of Capshaw, in the extreme eastern part of the county by spotters. |
| Apr 28, 5:19 PM CDT | Hail 0.75 | Nebo, AL | Three-quarter inch hail covered the ground west of Nebo, in the extreme western part of the county. |
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 |
|---|---|---|---|
| Apr 28, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.2 hours before the alert went out and 150 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
- 508 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
724 WUUS1 KHSV 282212 RRA SVRHSV ALC083-089-282315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 513 PM CDT MON APR 28 1997 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONSS... IN NORTH ALABAMA ...LIMESTONE COUNTY...MADISON COUNTY AT 510 PM CDT WEATHER SERVICE RADAR IN HUNTSVILLE INDICATED A SEVERE THUNDERSTORM OVER EASTERN LIMESTONE NEAR CAPSHALL. THIS STORM WILL MOVE INTO MADISON COUNTY BY 520 PM CDT. MOVEMENT WAS EAST NORTHEAST AT 20 TO 25 MILES AN HOUR. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT 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, 1:46 PM CDT | Severe Thunderstorm Warning | BMX | Talladega | 34 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, 5:21 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.