Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 441, NWS Birmingham, AL

June 5, 1998St. Clair County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 5, 1998, 3:56 PM CDT for St. Clair 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
Jun 5, 1998, 3:56 PM CDT (20:56 UTC)
Expired
Jun 5, 1998, 5:00 PM CDT
In force
64 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County St. Clair County, AL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 5, 1:15 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.9 hours before the alert went out and 74 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 1998-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2789 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, Birmingham, AL at 12:00Z on 1998-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 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
2789 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
468 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
2.0
Supercell composite
11.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 052056 RRA
SVRBHM
ALC115-052200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
356 PM CDT FRI JUN 5 1998

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. CLAIR COUNTY... IN CENTRAL ALABAMA

* UNTIL 500 PM CDT

* AT 355 PM CDT... A SEVERE THUNDERSTORM WAS MOVING INTO
SAINT CLAIR COUNTY FROM THE WEST AT 45 MILES AN HOUR.

THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS.

WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 8:23 PM CDTSevere Thunderstorm WarningBMXBibb47 min
Jun 4, 8:42 PM CDTSevere Thunderstorm WarningBMXChilton, Shelby48 min
Jun 5, 3:52 AM CDTSevere Thunderstorm WarningBMXColbert, Franklin, Lauderdale63 min
Jun 5, 3:52 AM CDTSevere Thunderstorm WarningBMXMarion63 min
Jun 5, 4:23 AM CDTSevere Thunderstorm WarningBMXLamar47 min
Jun 5, 4:37 AM CDTSevere Thunderstorm WarningBMXLawrence, Limestone63 min
Jun 5, 4:44 AM CDTSevere Thunderstorm WarningBMXFayette, Walker, Winston61 min
Jun 5, 5:02 AM CDTSevere Thunderstorm WarningBMXMadison, Morgan48 min
Jun 5, 5:02 AM CDTSevere Thunderstorm WarningBMXCullman48 min
Jun 5, 5:16 AM CDTSevere Thunderstorm WarningBMXPickens, Tuscaloosa49 min
Jun 5, 5:25 AM CDTSevere Thunderstorm WarningBMXBlount, Jefferson, Marshall45 min
Jun 5, 5:25 AM CDTSevere Thunderstorm WarningBMXJackson45 min
Jun 5, 5:42 AM CDTSevere Thunderstorm WarningBMXDeKalb48 min
Jun 5, 5:57 AM CDTSevere Thunderstorm WarningBMXCherokee, Etowah48 min
Jun 5, 6:04 AM CDTSevere Thunderstorm WarningBMXSt. Clair, Shelby46 min
Jun 5, 6:21 AM CDTSevere Thunderstorm WarningBMXCalhoun, Cleburne34 min
Jun 5, 6:52 AM CDTSevere Thunderstorm WarningBMXCalhoun, Cleburne, Talladega18 min
Jun 5, 2:08 PM CDTSevere Thunderstorm WarningBMXGreene, Pickens, Sumter52 min
Jun 5, 2:09 PM CDTSevere Thunderstorm WarningBMXHale, Tuscaloosa61 min
Jun 5, 2:10 PM CDTSevere Thunderstorm WarningBMXLamar50 min
Jun 5, 2:29 PM CDTTornado WarningBMXPickens46 min
Jun 5, 2:38 PM CDTSevere Thunderstorm WarningBMXBibb47 min
Jun 5, 2:40 PM CDTSevere Thunderstorm WarningBMXFayette80 min
Jun 5, 2:46 PM CDTTornado WarningBMXTuscaloosa64 min
Jun 5, 2:48 PM CDTSevere Thunderstorm WarningBMXJefferson, Walker77 min
Jun 5, 2:48 PM CDTSevere Thunderstorm WarningBMXShelby77 min
Jun 5, 2:53 PM CDTSevere Thunderstorm WarningBMXHale, Marengo62 min
Jun 5, 2:55 PM CDTTornado WarningBMXFayette50 min
Jun 5, 2:56 PM CDTSevere Thunderstorm WarningBMXLamar34 min
Jun 5, 3:00 PM CDTSevere Thunderstorm WarningBMXGreene, Sumter35 min
Jun 5, 3:05 PM CDTTornado WarningBMXJefferson65 min
Jun 5, 3:09 PM CDTSevere Thunderstorm WarningBMXPerry66 min
Jun 5, 3:09 PM CDTSevere Thunderstorm WarningBMXChilton, Coosa96 min
Jun 5, 3:19 PM CDTSevere Thunderstorm WarningBMXBibb46 min
Jun 5, 3:19 PM CDTSevere Thunderstorm WarningBMXElmore66 min
Jun 5, 3:29 PM CDTSevere Thunderstorm WarningBMXAutauga, Dallas51 min
Jun 5, 3:35 PM CDTSevere Thunderstorm WarningBMXTalladega80 min
Jun 5, 3:40 PM CDTSevere Thunderstorm WarningBMXTallapoosa65 min
Jun 5, 3:59 PM CDTSevere Thunderstorm WarningBMXClay66 min
Jun 5, 4:02 PM CDTSevere Thunderstorm WarningBMXLowndes, Montgomery63 min
Jun 5, 4:12 PM CDTSevere Thunderstorm WarningBMXMacon78 min
Jun 5, 4:21 PM CDTSevere Thunderstorm WarningBMXChambers, Lee79 min
Jun 5, 4:27 PM CDTSevere Thunderstorm WarningBMXBullock63 min
Jun 5, 4:37 PM CDTSevere Thunderstorm WarningBMXPike63 min
Jun 5, 4:37 PM CDTTornado WarningBMXLee, Macon48 min
Jun 5, 4:44 PM CDTSevere Thunderstorm WarningBMXRussell61 min
Jun 5, 4:51 PM CDTSevere Thunderstorm WarningBMXBarbour64 min
Jun 5, 4:53 PM CDTTornado WarningBMXRussell47 min
Jun 5, 5:10 PM CDTSevere Thunderstorm WarningBMXEtowah35 min
Jun 5, 5:11 PM CDTSevere Thunderstorm WarningBMXCherokee, DeKalb64 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.