Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 191, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Mar 28, 1997, 10:47 PM CST for Morgan County, Alabama. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 28, 1997, 10:47 PM CST (04:47 UTC)
- Expired
- Mar 28, 1997, 11:45 PM CST
- In force
- 58 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Morgan County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 4.8 hours before the alert went out and 142 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
- 1329 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1429 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 8.0
The text
As transmitted, in the capitals the NWS used until 2016.
036 WUUS1 KHSV 290449 RRA SVRHSV ALC103-290545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 1047 PM CST FRI MAR 28 1997 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH ALABAMA ...MORGAN COUNTY AT 1045 PM CST WEATHER SERVICE RADAR IN HUNTSVILE INDICATED A SEVERE THUNERSTORM OVER EASTERN LAWRENCE COUNTY. THIS STORM WILL MOVE INTO WESTERN MORGAN COUNTY BETWEEN NEEL AND BASHAM. THIS STORM HAS HAD A HISTORY OF PRODUCING NICKLE SIZED HAIL. MOVEMENT WAS EAST NORTHEAST AT 45 MILES AN HOUR. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. &
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 8:56 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale | 64 min |
| Mar 28, 10:32 PM CST | Severe Thunderstorm Warning | BMX | Lawrence | 58 min |
| Mar 29, 12:13 AM CST | Severe Thunderstorm Warning | BMX | Cullman | 32 min |
| Mar 29, 12:20 AM CST | Severe Thunderstorm Warning | BMX | Walker | 50 min |
| Mar 29, 12:25 AM CST | Severe Thunderstorm Warning | BMX | Blount | 65 min |
| Mar 29, 12:39 AM CST | Severe Thunderstorm Warning | BMX | DeKalb | 66 min |
| Mar 29, 1:04 AM CST | Severe Thunderstorm Warning | BMX | St. Clair | 31 min |
| Mar 29, 1:10 AM CST | Severe Thunderstorm Warning | BMX | Etowah | 65 min |
| Mar 29, 1:23 AM CST | Severe Thunderstorm Warning | BMX | Calhoun | 62 min |
| Mar 29, 1:30 AM CST | Severe Thunderstorm Warning | BMX | Cherokee | 35 min |
| Mar 29, 2:00 AM CST | Severe Thunderstorm Warning | BMX | St. Clair | 20 min |
| Mar 29, 2:45 AM CST | Severe Thunderstorm Warning | BMX | Calhoun | 30 min |
| Mar 29, 2:51 AM CST | Severe Thunderstorm Warning | BMX | Cleburne | 64 min |
| Mar 29, 5:11 PM CST | Severe Thunderstorm Warning | BMX | Russell | 49 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; the sounding from the Mesonet's radiosonde archive.