Alert archive / Alabama / Tornado Warnings in 1997

Tornado Warning 21, NWS Birmingham, AL

January 24, 1997St. Clair County, Alabama

NWS Birmingham, AL issued this tornado warning at Jan 24, 1997, 6:32 PM CST for St. Clair County, Alabama. It was in force for 43 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 24, 1997, 6:32 PM CST (00:32 UTC)
Expired
Jan 24, 1997, 7:15 PM CST
In force
43 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County St. Clair County, AL

The radar

The Birmingham radar (KBMX), 74 km from the middle of the area, began a volume at 00:31 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

TimeReportWhereRemark
Jan 24, 7:00 PM CSTHail 0.75Logan Martin Dam, AL

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.

IssuedProductOfficeLasted
Jan 24, 4:45 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.5 hours before the alert went out and 74 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 1997-01-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 966 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 1997-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 494 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
966 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
568 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
494 m²/s²
0-3 km storm-relative helicity
542 m²/s²
Significant tornado parameter
2.9
Supercell composite
11.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBHM 250033 RRA
TORBHM
ALC115-250115-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
632 PM CST FRI JAN 24 1997
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  715 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ALABAMA
 
   ...SOUTHERN ST. CLAIR COUNTY
 
A SEVERE THUNDERSTORM...WITH A RADAR INDICATED TORNADO...WILL MOVE FROM
NORTHEAST SHELBY COUNTY INTO SOUTHERN ST. CLAIR COUNTY BY 645. THIS
STORM WILL GENERALLY AFFECT ST. CLAIR COUNTY ALONG AND SOUTH OF I-20.
MOVEMENT WAS EAST AT 35 PM.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNI8TURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 24, 6:10 PM CSTSevere Thunderstorm WarningBMXFranklin65 min
Jan 24, 6:14 PM CSTSevere Thunderstorm WarningBMXWalker61 min
Jan 24, 6:17 PM CSTSevere Thunderstorm WarningBMXWinston43 min
Jan 24, 6:20 PM CSTSevere Thunderstorm WarningBMXMorgan55 min
Jan 24, 6:23 PM CSTSevere Thunderstorm WarningBMXCleburne52 min
Jan 24, 6:30 PM CSTTornado WarningBMXFranklin60 min
Jan 24, 6:35 PM CSTSevere Thunderstorm WarningBMXJackson55 min
Jan 24, 6:38 PM CSTTornado WarningBMXTalladega37 min
Jan 24, 6:45 PM CSTSevere Thunderstorm WarningBMXLawrence60 min
Jan 24, 6:45 PM CSTSevere Thunderstorm WarningBMXMarshall60 min
Jan 24, 6:54 PM CSTSevere Thunderstorm WarningBMXCullman51 min
Jan 24, 6:54 PM CSTSevere Thunderstorm WarningBMXJefferson51 min
Jan 24, 6:59 PM CSTTornado WarningBMXMarshall61 min
Jan 24, 7:01 PM CSTSevere Thunderstorm WarningBMXBlount44 min
Jan 24, 7:09 PM CSTSevere Thunderstorm WarningBMXMorgan66 min
Jan 24, 7:09 PM CSTSevere Thunderstorm WarningBMXDeKalb66 min
Jan 24, 7:11 PM CSTSevere Thunderstorm WarningBMXCalhoun64 min
Jan 24, 7:31 PM CSTSevere Thunderstorm WarningBMXLimestone, Madison59 min
Jan 24, 7:31 PM CSTTornado WarningBMXBlount44 min
Jan 24, 7:37 PM CSTTornado WarningBMXCalhoun, Cleburne53 min
Jan 24, 7:41 PM CSTSevere Thunderstorm WarningBMXWalker49 min
Jan 24, 7:46 PM CSTSevere Thunderstorm WarningBMXPickens, Tuscaloosa59 min
Jan 24, 7:53 PM CSTTornado WarningBMXEtowah52 min
Jan 24, 7:55 PM CSTSevere Thunderstorm WarningBMXJackson65 min
Jan 24, 8:01 PM CSTSevere Thunderstorm WarningBMXCullman59 min
Jan 24, 8:01 PM CSTSevere Thunderstorm WarningBMXJefferson59 min
Jan 24, 8:09 PM CSTTornado WarningBMXSt. Clair36 min
Jan 24, 8:12 PM CSTSevere Thunderstorm WarningBMXDeKalb63 min
Jan 24, 8:24 PM CSTSevere Thunderstorm WarningBMXBlount51 min
Jan 24, 8:28 PM CSTTornado WarningBMXJefferson47 min
Jan 24, 8:33 PM CSTSevere Thunderstorm WarningBMXWalker57 min
Jan 24, 8:35 PM CSTSevere Thunderstorm WarningBMXGreene, Sumter40 min
Jan 24, 8:41 PM CSTSevere Thunderstorm WarningBMXTuscaloosa49 min
Jan 24, 8:51 PM CSTSevere Thunderstorm WarningBMXBibb69 min
Jan 24, 8:51 PM CSTSevere Thunderstorm WarningBMXJefferson, St. Clair, Shelby69 min
Jan 24, 8:51 PM CSTSevere Thunderstorm WarningBMXHale69 min
Jan 24, 8:59 PM CSTSevere Thunderstorm WarningBMXCherokee31 min
Jan 24, 9:03 PM CSTTornado WarningBMXBlount, St. Clair27 min
Jan 24, 9:12 PM CSTSevere Thunderstorm WarningBMXGreene, Sumter48 min
Jan 24, 9:45 PM CSTSevere Thunderstorm WarningBMXEtowah30 min
Jan 24, 9:56 PM CSTSevere Thunderstorm WarningBMXBibb, Hale, Shelby64 min
Jan 24, 9:56 PM CSTSevere Thunderstorm WarningBMXGreene, Sumter64 min
Jan 24, 9:56 PM CSTSevere Thunderstorm WarningBMXCalhoun, St. Clair, Talladega64 min
Jan 24, 10:18 PM CSTSevere Thunderstorm WarningBMXJefferson42 min
Jan 24, 10:23 PM CSTSevere Thunderstorm WarningBMXCleburne67 min
Jan 24, 10:45 PM CSTSevere Thunderstorm WarningBMXMarengo45 min
Jan 24, 11:01 PM CSTSevere Thunderstorm WarningBMXChilton44 min
Jan 24, 11:29 PM CSTSevere Thunderstorm WarningBMXAutauga31 min
Jan 24, 11:32 PM CSTSevere Thunderstorm WarningBMXPerry28 min
Jan 24, 11:36 PM CSTSevere Thunderstorm WarningBMXDallas54 min
Jan 25, 12:09 AM CSTSevere Thunderstorm WarningBMXAutauga51 min

Nearby

Tornado Warnings in Alabama, 1997Every tornado warning in 1997Tornadoes 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.