Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 177, NWS Birmingham, AL

April 8, 1998Lauderdale County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 8, 1998, 6:45 PM CDT for Lauderdale County, Alabama. It was in force for 50 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 8, 1998, 6:45 PM CDT (23:45 UTC)
Expired
Apr 8, 1998, 7:35 PM CDT
In force
50 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Lauderdale County, AL

What was reported inside it

TimeReportWhereRemark
Apr 8, 6:50 PM CDTHail 1Florence, ALQuarter size hail was reported in Florence.
Apr 8, 7:04 PM CDTHail 1.75Lexington, ALGolf ball size hail was reported just south of Lexington.

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

Nashville Metro, TN (KBNA), launched 12:00Z, 11.8 hours before the alert went out and 167 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, Nashville Metro, TN at 12:00Z on 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Nashville Metro, TN at 12:00Z on 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 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
5 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
1652 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

525 
WUUS1 KBHM 082346 RRA
SVRBHM
ALC077-090035-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
645 PM CDT WED APR 8 1998


THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 735 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHERN ALABAMA

   ...LAUDERDALE COUNTY...

AT 643 PM CDT... WEATHER RADAR AND STORM SPOTTER REPORTS A SEVERE
THUNDERSTORM NEAR MUSCLE SHOALS.  IT IS MOVING TOWARD KILLEN AND
CENTER STAR IN EASTERN LAUDERDALE COUNTY.  THIS STORM ALREADY HAS
PRODUCED QUARTER SIZE HAIL IN MUSCLE SHOALS.



<<CALL TO ACTION>>
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 FOR
RAPIDLY CHANGING WEATHER CONDITIONS.

&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 10:09 AM CDTSevere Thunderstorm WarningBMXPike31 min
Apr 8, 10:25 AM CDTSevere Thunderstorm WarningBMXBarbour65 min
Apr 8, 10:47 AM CDTSevere Thunderstorm WarningBMXMontgomery48 min
Apr 8, 11:13 AM CDTTornado WarningBMXBarbour32 min
Apr 8, 11:20 AM CDTSevere Thunderstorm WarningBMXDallas45 min
Apr 8, 12:07 PM CDTSevere Thunderstorm WarningBMXLee48 min
Apr 8, 12:14 PM CDTSevere Thunderstorm WarningBMXAutauga51 min
Apr 8, 12:20 PM CDTSevere Thunderstorm WarningBMXChambers45 min
Apr 8, 2:20 PM CDTSevere Thunderstorm WarningBMXMontgomery35 min
Apr 8, 3:18 PM CDTSevere Thunderstorm WarningBMXLee47 min
Apr 8, 4:10 PM CDTSevere Thunderstorm WarningBMXCalhoun35 min
Apr 8, 4:23 PM CDTSevere Thunderstorm WarningBMXCherokee47 min
Apr 8, 5:09 PM CDTSevere Thunderstorm WarningBMXAutauga, Elmore51 min
Apr 8, 5:37 PM CDTSevere Thunderstorm WarningBMXCoosa, Tallapoosa48 min
Apr 8, 6:09 PM CDTSevere Thunderstorm WarningBMXWalker, Winston46 min
Apr 8, 6:10 PM CDTTornado WarningBMXTallapoosa35 min
Apr 8, 6:13 PM CDTSevere Thunderstorm WarningBMXChambers47 min
Apr 8, 6:13 PM CDTSevere Thunderstorm WarningBMXTuscaloosa47 min
Apr 8, 6:22 PM CDTTornado WarningBMXChambers48 min
Apr 8, 6:26 PM CDTTornado WarningBMXAutauga49 min
Apr 8, 6:26 PM CDTTornado WarningBMXPickens49 min
Apr 8, 6:28 PM CDTSevere Thunderstorm WarningBMXColbert47 min
Apr 8, 6:31 PM CDTTornado WarningBMXWalker, Winston34 min
Apr 8, 6:33 PM CDTSevere Thunderstorm WarningBMXWalker32 min
Apr 8, 6:38 PM CDTSevere Thunderstorm WarningBMXChilton47 min
Apr 8, 6:45 PM CDTTornado WarningBMXElmore50 min
Apr 8, 6:58 PM CDTSevere Thunderstorm WarningBMXCullman47 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1998Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.