Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 22, NWS Birmingham, AL

January 24, 1997Dallas County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 24, 1997, 6:37 AM CST for Dallas County, Alabama. It was in force for 38 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
Jan 24, 1997, 6:37 AM CST (12:37 UTC)
Expired
Jan 24, 1997, 7:15 AM CST
In force
38 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Dallas County, AL

The radar

The Birmingham radar (KBMX), 99 km from the middle of the area, began a volume at 12:37 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.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 0.6 hours before the alert went out and 100 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 12:00Z on 1997-01-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 379 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 1997-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 316 square meters per square second.1939587897117Sfc1 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
379 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
316 m²/s²
0-3 km storm-relative helicity
348 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 241238 RRA
SVRBHM
ALC047-241315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
637 AM CST FRI JAN 24 1997
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ALABAMA
 
   ...DALLAS COUNTY
 
AT 635 AM DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ACROSS
DALLAS COUNTY. THE STORMS WERE MOVING NORTHEAST AROUND 45 MPH.
 
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.

IssuedProductOfficeCountiesLasted
Jan 24, 6:52 AM CSTSevere Thunderstorm WarningBMXAutauga, Lowndes53 min
Jan 24, 7:10 AM CSTTornado WarningBMXAutauga35 min
Jan 24, 7:24 AM CSTTornado WarningBMXElmore, Montgomery51 min
Jan 24, 7:43 AM CSTSevere Thunderstorm WarningBMXCoosa47 min
Jan 24, 8:00 AM CSTTornado WarningBMXTallapoosa60 min
Jan 24, 8:02 AM CSTSevere Thunderstorm WarningBMXMacon58 min
Jan 24, 8:15 AM CSTSevere Thunderstorm WarningBMXMontgomery30 min
Jan 24, 8:18 AM CSTSevere Thunderstorm WarningBMXBullock57 min
Jan 24, 8:26 AM CSTSevere Thunderstorm WarningBMXPike64 min
Jan 24, 8:29 AM CSTSevere Thunderstorm WarningBMXLee61 min
Jan 24, 8:35 AM CSTTornado WarningBMXChambers55 min
Jan 24, 8:41 AM CSTSevere Thunderstorm WarningBMXRandolph49 min
Jan 24, 8:58 AM CSTSevere Thunderstorm WarningBMXMacon17 min
Jan 24, 9:01 AM CSTSevere Thunderstorm WarningBMXBarbour59 min
Jan 24, 9:04 AM CSTSevere Thunderstorm WarningBMXRussell56 min
Jan 24, 1:39 PM CSTSevere Thunderstorm WarningBMXMarion51 min
Jan 24, 1:46 PM CSTSevere Thunderstorm WarningBMXFranklin59 min
Jan 24, 2:01 PM CSTSevere Thunderstorm WarningBMXWinston44 min
Jan 24, 2:11 PM CSTSevere Thunderstorm WarningBMXLawrence64 min
Jan 24, 2:32 PM CSTSevere Thunderstorm WarningBMXWinston43 min
Jan 24, 2:42 PM CSTTornado WarningBMXWinston33 min
Jan 24, 2:59 PM CSTTornado WarningBMXCullman61 min
Jan 24, 3:18 PM CSTSevere Thunderstorm WarningBMXTuscaloosa42 min
Jan 24, 3:27 PM CSTTornado WarningBMXMorgan63 min
Jan 24, 3:30 PM CSTSevere Thunderstorm WarningBMXColbert, Lauderdale60 min
Jan 24, 3:42 PM CSTSevere Thunderstorm WarningBMXLimestone63 min
Jan 24, 3:47 PM CSTSevere Thunderstorm WarningBMXJefferson58 min
Jan 24, 3:49 PM CSTSevere Thunderstorm WarningBMXMarion41 min
Jan 24, 3:54 PM CSTSevere Thunderstorm WarningBMXFranklin66 min
Jan 24, 3:57 PM CSTTornado WarningBMXBlount33 min
Jan 24, 4:03 PM CSTTornado WarningBMXCullman12 min
Jan 24, 4:05 PM CSTTornado WarningBMXMarshall55 min
Jan 24, 4:14 PM CSTSevere Thunderstorm WarningBMXLawrence61 min
Jan 24, 4:18 PM CSTSevere Thunderstorm WarningBMXWinston42 min
Jan 24, 4:23 PM CSTSevere Thunderstorm WarningBMXTuscaloosa52 min
Jan 24, 4:27 PM CSTSevere Thunderstorm WarningBMXMarion48 min
Jan 24, 4:31 PM CSTTornado WarningBMXLawrence59 min
Jan 24, 4:38 PM CSTSevere Thunderstorm WarningBMXLimestone, Morgan67 min
Jan 24, 4:42 PM CSTTornado WarningBMXJefferson48 min
Jan 24, 4:48 PM CSTSevere Thunderstorm WarningBMXMadison, Marshall72 min
Jan 24, 4:54 PM CSTTornado WarningBMXShelby51 min
Jan 24, 5:04 PM CSTTornado WarningBMXDeKalb, Marshall56 min
Jan 24, 5:11 PM CSTTornado WarningBMXTuscaloosa49 min
Jan 24, 5:12 PM CSTTornado WarningBMXMadison63 min
Jan 24, 5:16 PM CSTSevere Thunderstorm WarningBMXSt. Clair44 min
Jan 24, 5:26 PM CSTTornado WarningBMXJackson64 min
Jan 24, 5:28 PM CSTSevere Thunderstorm WarningBMXLawrence62 min
Jan 24, 5:32 PM CSTTornado WarningBMXMorgan43 min
Jan 24, 5:34 PM CSTTornado WarningBMXJefferson41 min
Jan 24, 5:34 PM CSTTornado WarningBMXMorgan41 min
Jan 24, 5:37 PM CSTSevere Thunderstorm WarningBMXTalladega38 min
Jan 24, 5:43 PM CSTSevere Thunderstorm WarningBMXSumter32 min
Jan 24, 5:45 PM CSTSevere Thunderstorm WarningBMXLimestone60 min
Jan 24, 5:45 PM CSTSevere Thunderstorm WarningBMXMarshall60 min
Jan 24, 5:48 PM CSTSevere Thunderstorm WarningBMXLamar42 min
Jan 24, 5:52 PM CSTSevere Thunderstorm WarningBMXCalhoun53 min
Jan 24, 5:57 PM CSTSevere Thunderstorm WarningBMXFayette48 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; radar from the NEXRAD Level II archive.