Alert archive / Alabama / Tornado Watches in 1998

Tornado Watch 292

May 6, 199821 counties in Alabama; Dade County, Georgia; Itawamba County, Monroe County, Tishomingo County, Mississippi

The Storm Prediction Center issued this tornado watch at May 6, 1998, 2:15 PM CDT for 21 counties in Alabama; Dade County, Georgia; Itawamba County, Monroe County, Tishomingo County, Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 6, 1998, 2:15 PM CDT (19:15 UTC)
Expired
May 6, 1998, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 25 counties

Blount County, AL, Calhoun County, AL, Cherokee County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Jackson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, St. Clair County, AL, Walker County, AL, Winston County, AL, Dade County, GA, Itawamba County, MS, Monroe County, MS, Tishomingo County, MS

Warnings issued inside it

15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 6, 2:43 PM CDTSevere Thunderstorm WarningMEGTishomingo32 min
May 6, 2:51 PM CDTTornado WarningBMXColbert49 min
May 6, 3:01 PM CDTTornado WarningBMXLawrence34 min
May 6, 3:06 PM CDTTornado WarningBMXFranklin34 min
May 6, 3:09 PM CDTSevere Thunderstorm WarningBMXMorgan31 min
May 6, 3:35 PM CDTTornado WarningBMXFranklin35 min
May 6, 3:39 PM CDTTornado WarningBMXLawrence51 min
May 6, 3:40 PM CDTSevere Thunderstorm WarningBMXMorgan65 min
May 6, 4:03 PM CDTTornado WarningBMXMorgan47 min
May 6, 4:05 PM CDTSevere Thunderstorm WarningBMXMarshall60 min
May 6, 4:09 PM CDTTornado WarningBMXMarion, Winston51 min
May 6, 5:02 PM CDTSevere Thunderstorm WarningBMXCullman48 min
May 6, 5:22 PM CDTTornado WarningBMXCullman48 min
May 6, 5:53 PM CDTSevere Thunderstorm WarningBMXBlount62 min
May 6, 6:42 PM CDTSevere Thunderstorm WarningBMXSt. Clair63 min

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.3 hours before the alert went out and 120 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 1998-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 1998-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
4 J/kg
Mixed-layer CIN
-335 J/kg
Mixed-layer LCL
1290 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
221 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 3:30 AM CDTSevere Thunderstorm WatchSPCTunica6 hr

Nearby

Tornado Watches in Alabama, 1998Tornado Watches in Mississippi, 1998Tornado Watches in Georgia, 1998Every tornado watch in 1998

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.