Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 250, NWS Mobile, AL

October 26, 1997Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Oct 26, 1997, 2:35 AM CST for Washington County, Alabama. It was in force for 55 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
Oct 26, 1997, 2:35 AM CST (08:35 UTC)
Expired
Oct 26, 1997, 3:30 AM CST
In force
55 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Washington County, AL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.6 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, Slidell Radar S, LA at 00:00Z on 1997-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3980 joules per kilogram.LCLEL10008507005003002001001 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, Slidell Radar S, LA at 00:00Z on 1997-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 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
3980 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
525 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
5.6
Supercell composite
22.7

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
Oct 25, 7:35 PM CDTSevere Thunderstorm WarningMOBEscambia40 min
Oct 25, 7:58 PM CDTSevere Thunderstorm WarningMOBConecuh62 min
Oct 26, 12:55 AM CDTTornado WarningMOBWashington35 min
Oct 26, 1:37 AM CDTTornado WarningMOBClarke68 min
Oct 26, 2:15 AM CSTSevere Thunderstorm WarningMOBWilcox30 min
Oct 26, 3:07 AM CSTSevere Thunderstorm WarningMOBCrenshaw38 min
Oct 26, 5:14 AM CSTSevere Thunderstorm WarningMOBMonroe, Wilcox2 hr

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.