Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 310, NWS Birmingham, AL

May 28, 1996Lamar County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 28, 1996, 2:55 AM CDT for Lamar County, Alabama. It was in force for 65 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
May 28, 1996, 2:55 AM CDT (07:55 UTC)
Expired
May 28, 1996, 4:00 AM CDT
In force
65 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Lamar County, AL

The radar

The Columbus AFB radar (KGWX), 25 km from the middle of the area, began a volume at 07:53 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 00:00Z, 7.9 hours before the alert went out and 139 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 1996-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 524 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 00:00Z on 1996-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 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
524 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
1149 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 280758
SVRBHM
ALC075-280900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
255 AM CDT TUE MAY 28 1996
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ALABAMA
 
   ...LAMAR COUNTY
 
AT 255 AM RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ENTERING
NORTHWEST LAMAR COUNTY. THIS LINE OF STORMS WAS MOVING EAST-SOUTHEAST AT
30 TO 40 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
May 27, 7:03 PM CDTSevere Thunderstorm WarningBMXFranklin57 min
May 27, 7:09 PM CDTTornado WarningBMXMarion66 min
May 27, 8:23 PM CDTSevere Thunderstorm WarningBMXMorgan67 min
May 27, 9:03 PM CDTSevere Thunderstorm WarningBMXFayette, Walker42 min
May 28, 1:13 AM CDTSevere Thunderstorm WarningBMXLimestone62 min
May 28, 1:18 AM CDTSevere Thunderstorm WarningBMXMorgan57 min
May 28, 1:42 AM CDTSevere Thunderstorm WarningBMXMadison63 min
May 28, 2:12 AM CDTSevere Thunderstorm WarningBMXMarshall63 min
May 28, 2:43 AM CDTSevere Thunderstorm WarningBMXMarion62 min
May 28, 2:46 AM CDTSevere Thunderstorm WarningBMXFranklin59 min
May 28, 2:49 AM CDTSevere Thunderstorm WarningBMXBlount56 min
May 28, 3:00 AM CDTSevere Thunderstorm WarningBMXEtowah60 min
May 28, 3:24 AM CDTSevere Thunderstorm WarningBMXLawrence, Winston66 min
May 28, 3:30 AM CDTSevere Thunderstorm WarningBMXCherokee45 min
May 28, 3:44 AM CDTSevere Thunderstorm WarningBMXWalker46 min
May 28, 4:22 AM CDTSevere Thunderstorm WarningBMXJefferson53 min
May 28, 5:26 AM CDTSevere Thunderstorm WarningBMXLauderdale64 min
May 28, 5:40 AM CDTSevere Thunderstorm WarningBMXLauderdale50 min
May 28, 6:39 AM CDTSevere Thunderstorm WarningBMXElmore51 min
May 28, 7:28 AM CDTSevere Thunderstorm WarningBMXLowndes32 min
May 28, 10:21 AM CDTSevere Thunderstorm WarningBMXHale, Tuscaloosa69 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1996Every severe thunderstorm warning in 1996

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.