Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 48, NWS Birmingham, AL

March 6, 1998Lamar County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 6, 1998, 1:49 AM CST for Lamar County, Alabama. It was in force for 61 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
Mar 6, 1998, 1:49 AM CST (07:49 UTC)
Expired
Mar 6, 1998, 2:50 AM CST
In force
61 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Lamar County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.8 hours before the alert went out and 139 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 1998-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 1998-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 060749 RRA
SVRBHM
ALC075-060850-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
149 AM CST FRI MAR 6 1998


THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 250 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST CENTRAL ALABAMA

   ...LAMAR COUNTY...

AT 148 AM CST... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM ALONG THE
MISSISSIPPI-ALABAMA BORDER NEAR MOLLOY MOVING SOUTHEAST AT 35 MPH.
LARGE HAIL IS POSSIBLE WITH THIS STORM.

<<CALL TO ACTION>>
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTvECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Mar 6, 1:48 AM CST, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
148 AM CST FRI MAR 06 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0136 AM    MILLPORT                  AL   1.75 INCH HAIL
03/06/98   LAMAR

0146 AM    MOORES BRIDGE             AL   1.75 INCH HAIL
03/06/98   TUSCALOOSA                     GOLFBALL HAIL REPORTED AT
                                          MAYFIELD COMMUNITY NEAR
                                          MOORES BRIDGE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 11:34 PM CSTSevere Thunderstorm WarningBMXMarion51 min
Mar 6, 12:21 AM CSTSevere Thunderstorm WarningBMXLamar, Pickens64 min
Mar 6, 1:13 AM CSTSevere Thunderstorm WarningBMXFayette, Tuscaloosa62 min
Mar 6, 2:45 AM CSTSevere Thunderstorm WarningBMXFayette, Pickens, Tuscaloosa45 min
Mar 6, 4:10 AM CSTSevere Thunderstorm WarningBMXTalladega35 min
Mar 6, 4:27 AM CSTSevere Thunderstorm WarningBMXCoosa, Tallapoosa48 min
Mar 6, 3:49 PM CSTSevere Thunderstorm WarningBMXWinston26 min
Mar 6, 4:38 PM CSTSevere Thunderstorm WarningBMXLamar32 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.