Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 337, NWS Birmingham, AL

June 11, 1996St. Clair County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 11, 1996, 4:10 PM CDT for St. Clair County, Alabama. It was in force for 65 min. 3 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
Jun 11, 1996, 4:10 PM CDT (21:10 UTC)
Expired
Jun 11, 1996, 5:15 PM CDT
In force
65 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 21:06 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
Jun 11, 4:45 PM CDTThunderstorm Wind 50Moody, AL
Jun 11, 5:00 PM CDTThunderstorm Wind 50Argo, AL
Jun 11, 5:13 PM CDTThunderstorm Wind 50Pell City, 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 nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.2 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 12:00Z on 1996-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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 12:00Z on 1996-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
26 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1084 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 1:27 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar, Marion48 min
Jun 11, 3:10 PM CDTSevere Thunderstorm WarningBMXCullman35 min
Jun 11, 3:15 PM CDTSevere Thunderstorm WarningBMXBlount30 min
Jun 11, 3:35 PM CDTSevere Thunderstorm WarningBMXJefferson40 min
Jun 11, 3:41 PM CDTSevere Thunderstorm WarningBMXBlount34 min
Jun 11, 4:00 PM CDTSevere Thunderstorm WarningBMXColbert60 min
Jun 11, 5:03 PM CDTSevere Thunderstorm WarningBMXTalladega57 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.