Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 459, NWS Birmingham, AL

June 13, 1998Franklin County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 13, 1998, 3:34 AM CDT for Franklin County, Alabama. It was in force for 66 min. 1 report 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
Jun 13, 1998, 3:34 AM CDT (08:34 UTC)
Expired
Jun 13, 1998, 4:40 AM CDT
In force
66 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Franklin County, AL

What was reported inside it

TimeReportWhereRemark
Jun 13, 4:00 AM CDTThunderstorm Wind 55Phil Campbell, ALNumerous trees were down in the Spruce Pine community.

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

Birmingham, AL (KBMX), launched 00:00Z, 8.6 hours before the alert went out and 171 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 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2639 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 00:00Z on 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.19395878Sfc1 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
2639 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1010 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
1.3
Supercell composite
13.1

Open this sounding in Storm Lab

The text

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

512 
WUUS1 KBHM 130835 RRA
SVRBHM
ALC059-130940-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
334 AM CDT SAT JUN 13 1998

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FRANKLIN COUNTY... IN NORTHERN ALABAMA

* UNTIL 440 AM CDT

* AT 333 AM CDT... A SEVERE THUNDERSTORM WAS SHOWN...BY WEATHER RADAR
JUST WEST OF RUSSELLVILLE MOVING SOUTHEAST AT 40 MPH.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING
AND STAY 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 13, 2:43 AM CDTSevere Thunderstorm WarningBMXLauderdale62 min
Jun 13, 3:25 AM CDTSevere Thunderstorm WarningBMXColbert65 min
Jun 13, 3:38 AM CDTSevere Thunderstorm WarningBMXLawrence62 min
Jun 13, 4:04 AM CDTSevere Thunderstorm WarningBMXMadison46 min
Jun 13, 4:20 AM CDTSevere Thunderstorm WarningBMXMarion65 min
Jun 13, 4:24 AM CDTSevere Thunderstorm WarningBMXWinston66 min
Jun 13, 4:55 AM CDTSevere Thunderstorm WarningBMXLamar50 min
Jun 13, 5:30 AM CDTSevere Thunderstorm WarningBMXWalker65 min
Jun 13, 5:40 AM CDTSevere Thunderstorm WarningBMXJefferson65 min
Jun 13, 5:41 AM CDTSevere Thunderstorm WarningBMXFayette49 min
Jun 13, 6:03 AM CDTSevere Thunderstorm WarningBMXTuscaloosa62 min
Jun 13, 6:36 AM CDTSevere Thunderstorm WarningBMXBibb, Shelby64 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.