Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 55, NWS Birmingham, AL

March 7, 1998Autauga County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 7, 1998, 11:39 PM CST for Autauga County, Alabama. It was in force for 31 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 7, 1998, 11:39 PM CST (05:39 UTC)
Expired
Mar 8, 1998, 12:10 AM CST
In force
31 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Autauga County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 5.7 hours before the alert went out and 73 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 1998-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
120 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.

818 
WUUS1 KBHM 080542 RRA
SVRBHM
ALC001-080610-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1139 PM CST SAT MAR 7 1998

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1210 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL ALABAMA

   ...AUTAUGA COUNTY...

AT 1139 PM CST... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM IN THE
WHITE HALL AREA OF LOWNDES COUNTY.  THE STORM WAS MOVING RAPIDLY
NORTHEAST AT 50 TO 55 MPH.  THE STORM WILL THE AUTAUGAVILLE...
PRATTVILLE... BOOTH...WHITE CITY AND PINE LEVEL AREAS THROUGH 1210 AM.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTECTION 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

Special weather statement, Mar 7, 9:26 PM CST, 2 hours 13 minutes before
ALZ001>050-GAZ089-090-102-120-081100-

HAZARDOUS WEATHER OUTLOOK...UPDATED
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
926 PM CST SAT MAR 07 1998

...FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR ALL OF ALABAMA AND
PARTS OF WEST CENTRAL GEORGIA...

A STORM SYSTEM CONTINUES TO MOVE TOWARDS ALABAMA AND WEST CENTRAL
GEORGIA THIS EVENING.  LARGE AREAS OF RAIN...MIXED WITH SCATTERED
THUNDERSTORMS...WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THE
NIGHTTIME HOURS.  THE BEST INGREDIENTS FOR SEVERE WEATHER ARE ACROSS
PARTS OF SOUTH ALABAMA...AND WESTERN PANHANDLE OF FLORIDA TONIGHT.

SOME OF THE STORMS TONIGHT MAY BECOME STRONG ACROSS PARTS OF NORTH
AND CENTRAL ALABAMA...BUT AT THIS TIME...THE BEST CHANCE OF SEVERE
WEATHER ACROSS THESE AREAS APPEARS TO BE SUNDAY.

THE MAIN THREAT TONIGHT WILL BE FOR FLASH FLOODING.  RAINFALL FROM
THE PREVIOUS DAYS HAS SATURATED THE GROUND IN SOME LOCATIONS.
RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE THROUGH THE NIGHT
AND MAY LEAD TO FLOODING.  ALSO...SOME OF THE RIVERS ARE NEARING OR
HAVE GONE ABOVE FLOOD STAGE.  MORE RAINFALL TONIGHT AND SUNDAY WILL
CAUSE SIGNIFICANT RISES ALONG RIVERS IN ALABAMA.

THERE REMAINS THE THREAT OF LARGE HAIL...DAMAGING WIND...AND POSSIBLY
TORNADOES ACROSS PARTS OF SOUTH ALABAMA TONIGHT...INTO EARLY SUNDAY
AND AREA WIDE SUNDAY.  IF SIGNIFICANT RAINFALL CONTINUES ACROSS THE
AREA SUNDAY...THE FLASH FLOOD WATCH WILL BE EXPANDED.

CURRENTLY...SOUTHERN HALF OF ALABAMA...WEST CENTRAL AND SOUTHWEST
GEORGIA REMAINS UNDER A SLIGHT RISK FOR SEVERE WEATHER FOR TONIGHT
AND EARLY SUNDAY.

AT THIS TIME...ACTIVATION OF STORM SPOTTERS IS NOT ANTICIPATED
TONIGHT.  EMERGENCY MANAGEMENT AND LAW OFFICIALS SHOULD STAY TUNED TO
THE LATEST WEATHER STATEMENTS AND POSSIBLE WARNINGS...ESPECIALLY
ACROSS THE SOUTHERN HALF OF ALABAMA...AND PARTS OF WEST CENTRAL
GEORGIA TONIGHT.

FOLLOW UP STATEMENTS WILL LIKELY BE ISSUED DURING SUNDAY MORNING.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 11:21 PM CSTTornado WarningBMXLowndes29 min
Mar 7, 11:50 PM CSTSevere Thunderstorm WarningBMXElmore, Montgomery35 min
Mar 8, 12:53 AM CSTSevere Thunderstorm WarningBMXBullock, Pike47 min
Mar 8, 1:19 AM CSTTornado WarningBMXPike31 min
Mar 8, 1:41 AM CSTSevere Thunderstorm WarningBMXBullock34 min
Mar 8, 1:55 AM CSTSevere Thunderstorm WarningBMXPike20 min
Mar 8, 2:00 AM CSTSevere Thunderstorm WarningBMXBarbour45 min
Mar 8, 7:04 AM CSTFlash Flood WarningBMXBarbour2 hr
Mar 8, 7:55 AM CSTFlash Flood WarningBMXRandolph2 hr
Mar 8, 8:44 AM CSTFlash Flood WarningBMXBarbour, Russell3 hr
Mar 8, 8:44 AM CSTFlash Flood WarningBMXPike3 hr
Mar 8, 11:15 AM CSTSevere Thunderstorm WarningBMXMontgomery65 min
Mar 8, 11:37 AM CSTFlash Flood WarningBMXBarbour3 hr
Mar 8, 11:37 AM CSTFlash Flood WarningBMXRussell3 hr
Mar 8, 11:37 AM CSTFlash Flood WarningBMXBullock, Pike3 hr
Mar 8, 12:07 PM CSTSevere Thunderstorm WarningBMXTallapoosa48 min
Mar 8, 2:53 PM CSTTornado WarningBMXLowndes32 min
Mar 8, 3:02 PM CSTFlash Flood WarningBMXBarbour, Russell6 hr
Mar 8, 3:02 PM CSTFlash Flood WarningBMXChambers, Lee, Macon, Tallapoosa6 hr
Mar 8, 3:02 PM CSTFlash Flood WarningBMXBullock, Pike6 hr
Mar 8, 3:12 PM CSTSevere Thunderstorm WarningBMXAutauga, Elmore33 min
Mar 8, 3:17 PM CSTSevere Thunderstorm WarningBMXMadison33 min
Mar 8, 3:19 PM CSTTornado WarningBMXDeKalb, Etowah31 min
Mar 8, 3:27 PM CSTTornado WarningBMXMadison18 min
Mar 8, 3:34 PM CSTSevere Thunderstorm WarningBMXJackson31 min
Mar 8, 3:43 PM CSTSevere Thunderstorm WarningBMXLimestone, Morgan32 min
Mar 8, 3:55 PM CSTSevere Thunderstorm WarningBMXDeKalb50 min
Mar 8, 3:56 PM CSTSevere Thunderstorm WarningBMXCalhoun, St. Clair, Talladega49 min
Mar 8, 4:04 PM CSTSevere Thunderstorm WarningBMXCherokee, Etowah61 min
Mar 8, 4:09 PM CSTFlash Flood WarningBMXRandolph5 hr
Mar 8, 4:11 PM CSTSevere Thunderstorm WarningBMXMadison, Morgan49 min
Mar 8, 4:14 PM CSTSevere Thunderstorm WarningBMXJackson51 min
Mar 8, 4:14 PM CSTSevere Thunderstorm WarningBMXCullman36 min
Mar 8, 5:00 PM CSTSevere Thunderstorm WarningBMXJackson, Madison45 min
Mar 8, 5:25 PM CSTSevere Thunderstorm WarningBMXMarshall35 min
Mar 8, 5:27 PM CSTSevere Thunderstorm WarningBMXBlount18 min
Mar 8, 5:45 PM CSTSevere Thunderstorm WarningBMXJackson45 min
Mar 8, 5:50 PM CSTSevere Thunderstorm WarningBMXElmore, Tallapoosa35 min
Mar 8, 5:58 PM CSTSevere Thunderstorm WarningBMXMarshall17 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.