Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 331, NWS Birmingham, AL

May 6, 1998Tuscaloosa County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 6, 1998, 7:01 PM CDT for Tuscaloosa County, Alabama. It was in force for 64 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
May 6, 1998, 7:01 PM CDT (00:01 UTC)
Expired
May 6, 1998, 8:05 PM CDT
In force
64 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Tuscaloosa County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.0 hours before the alert went out and 70 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 1998-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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 00:00Z on 1998-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 square meters per square second.1939587897117Sfc1 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
82 J/kg
Mixed-layer CIN
-160 J/kg
Mixed-layer LCL
1288 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
560 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

705 
WUUS1 KBHM 070002 RRA
SVRBHM
ALC125-070105-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
701 PM CDT WED MAY 6 1998

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN TUSCALOOSA COUNTY... IN WEST CENTRAL ALABAMA

* UNTIL 805 PM CDT

* AT 659 PM CDT... A SEVERE THUNDERSTORM PRODUCING LARGE HAIL WAS
  SHOWN...BY WEATHER RADAR OVER SOUTHEASTERN TUSCALOOSA COUNTY NEAR
DUNCANVILLE AND COALING.  THIS STORM WAS MOVING TO THE SOUTHEAST AT 20
MPH.  ANOTHER SEVERE THUNDERSTORM WAS MOVING INTO WESTERN TUSCALOOSA
COUNTY AND SHOULD BE NEAR FOSTERS AROUND 715 PM.  MOVEMENT WAS
SOUTHEAST AT 20 MPH.


* THE SEVERE THUNDERSTORMS WILL BE NEAR...

THIS STORM HAS A HISTORY OF LARGE HAIL. GO INSIDE A STURDY BUILDING
AND STAY AWAY FROM WINDOWS

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 7:05 PM CDTSevere Thunderstorm WarningBMXTalladega60 min
May 6, 7:18 PM CDTSevere Thunderstorm WarningBMXBibb47 min
May 6, 7:25 PM CDTSevere Thunderstorm WarningBMXPerry60 min
May 6, 7:33 PM CDTSevere Thunderstorm WarningBMXClay47 min
May 6, 7:38 PM CDTSevere Thunderstorm WarningBMXShelby47 min
May 6, 7:42 PM CDTTornado WarningBMXBibb18 min
May 6, 7:44 PM CDTTornado WarningBMXPerry46 min
May 6, 7:52 PM CDTSevere Thunderstorm WarningBMXChilton48 min
May 6, 8:14 PM CDTTornado WarningBMXAutauga, Dallas66 min
May 6, 9:05 PM CDTTornado WarningBMXAutauga45 min
May 6, 9:08 PM CDTSevere Thunderstorm WarningBMXTallapoosa47 min
May 6, 9:28 PM CDTSevere Thunderstorm WarningBMXLowndes, Montgomery42 min
May 6, 10:13 PM CDTSevere Thunderstorm WarningBMXMontgomery47 min
May 6, 10:45 PM CDTSevere Thunderstorm WarningBMXLowndes50 min
May 6, 11:24 PM CDTSevere Thunderstorm WarningBMXMontgomery31 min
May 6, 11:45 PM CDTSevere Thunderstorm WarningBMXPike65 min
May 7, 12:03 AM CDTSevere Thunderstorm WarningBMXBarbour62 min
May 7, 4:29 AM CDTTornado WarningBMXLauderdale36 min
May 7, 5:03 AM CDTTornado WarningBMXLawrence32 min
May 7, 5:06 AM CDTTornado WarningBMXLauderdale19 min
May 7, 5:10 AM CDTTornado WarningBMXLimestone30 min
May 7, 5:41 AM CDTTornado WarningBMXLimestone34 min
May 7, 5:50 AM CDTTornado WarningBMXMadison45 min
May 7, 6:20 AM CDTTornado WarningBMXJackson25 min
May 7, 6:34 AM CDTTornado WarningBMXMadison31 min
May 7, 6:45 AM CDTTornado WarningBMXJackson35 min
May 7, 4:13 PM CDTSevere Thunderstorm WarningBMXJackson47 min
May 7, 4:19 PM CDTTornado WarningBMXLimestone51 min
May 7, 4:25 PM CDTTornado WarningBMXJackson50 min
May 7, 4:27 PM CDTTornado WarningBMXMadison63 min
May 7, 4:44 PM CDTSevere Thunderstorm WarningBMXLauderdale51 min
May 7, 5:03 PM CDTTornado WarningBMXJackson67 min
May 7, 5:45 PM CDTTornado WarningBMXDeKalb50 min
May 7, 6:57 PM CDTSevere Thunderstorm WarningBMXFranklin48 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; the sounding from the Mesonet's radiosonde archive.