Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 132, NWS Mobile, AL

April 22, 1997Covington County, Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 22, 1997, 8:18 PM CDT for Covington County, Crenshaw County, Alabama. It was in force for 57 min. 2 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
Apr 22, 1997, 8:18 PM CDT (01:18 UTC)
Expired
Apr 22, 1997, 9:15 PM CDT
In force
57 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Covington County, AL, Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 88 km from the middle of the area, began a volume at 01:22 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
Apr 22, 8:30 PM CDTThunderstorm Wind 50Luverne, ALSeveral trees and power lines were blown down just north of Luverne. One of the trees happened to fall onto a house and caused major damage to the home. A trailer was also turned over.
Apr 22, 8:45 PM CDTThunderstorm Wind 50Huckaville, ALSeveral trees and power lines were blown down along State Highway 55 near Huckaville (which is northwest of Florala).

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
Apr 22, 2:45 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.3 hours before the alert went out and 192 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 1997-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 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 1997-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 239 square meters per square second.19395878Sfc1 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
105 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
239 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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 Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 22, 7:07 PM CDTSevere Thunderstorm WarningMOBMobile68 min
Apr 22, 8:05 PM CDTSevere Thunderstorm WarningMOBButler55 min
Apr 22, 8:48 PM CDTSevere Thunderstorm WarningMOBMobile57 min
Apr 22, 8:48 PM CDTSevere Thunderstorm WarningMOBWashington57 min
Apr 22, 9:16 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke59 min
Apr 22, 9:37 PM CDTSevere Thunderstorm WarningMOBEscambia68 min
Apr 22, 9:44 PM CDTSevere Thunderstorm WarningMOBConecuh, Monroe61 min
Apr 22, 9:53 PM CDTSevere Thunderstorm WarningMOBMobile67 min
Apr 22, 10:24 PM CDTSevere Thunderstorm WarningMOBCovington66 min
Apr 22, 10:32 PM CDTSevere Thunderstorm WarningMOBBaldwin58 min
Apr 22, 10:44 PM CDTSevere Thunderstorm WarningMOBCrenshaw61 min
Apr 22, 11:30 PM CDTSevere Thunderstorm WarningMOBBaldwin60 min
Apr 22, 11:59 PM CDTTornado WarningMOBBaldwin46 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.