Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 504, NWS Birmingham, AL

November 1, 1997Lauderdale County, Limestone County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Nov 1, 1997, 1:58 PM CST for Lauderdale County, Limestone County, Alabama. It was in force for 47 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
Nov 1, 1997, 1:58 PM CST (19:58 UTC)
Expired
Nov 1, 1997, 2:45 PM CST
In force
47 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Lauderdale County, AL, Limestone County, AL

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.0 hours before the alert went out and 156 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, Nashville Metro, TN at 12:00Z on 1997-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 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, Nashville Metro, TN at 12:00Z on 1997-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 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
62 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
208 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 KHSV 011956 RRA
SVRHSV
ALC077-083-012045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
158 PM CST SAT NOV 1 1997
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONSS...
 
IN NORTH ALABAMA
 
   ...EASTERN LAUDERDALE COUNTY...LIMESTONE COUNTY
 
AT 155 PM...LAUDERDALE COUNTY EMA REPORTED GOLF BALL SIZED HAIL NEAR
LEXINGTON IN NORTHEASTERN LAUDERDALE COUNTY. THIS STORM WAS MOVING
TOWARDS THE EAST NORTHEAST AT 35 MPH AND SHOULD CROSS INTO LIMESTONE
COUNTY JUST AFTER 2 PM.
 
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUzILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
 
 
&

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, Nov 1, 9:37 AM CST, 4 hours 21 minutes before
ALZ001>050-GAZ089-090-102-120-020100-

HAZARDOUS WEATHER OUTLOOK
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
940 AM CST SAT NOV 1 1997

A COLD FRONT WILL MOVE INTO WEST ALABAMA EARLY THIS AFTERNOON AND WILL
BE LOCATED NEAR THE ALABAMA/GEORGIA STATE LINE BY SUNSET.  THE AIRMASS
ACROSS THE REGION WILL BECOME MORE UNSTABLE AS SOUTH WINDS INCREASE
DURING THE DAY.  THE STORM PREDICTION CENTER HAS OUTLOOKED THE AREA
FOR A SLIGHT RISK OF SEVERE THUNDERSTORMS.  ANY THUNDERSTORMS THAT
DEVELOP TODAY WILL HAVE THE POTENTIAL TO BECOME SEVERE...WITH LARGE
HAIL BEING THE PRIMARY THREAT.

STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE ON STANDBY
AND BE READY FOR SEVERE WEATHER ACTIVATION IF A SEVERE THUNDERSTORM OR
TORNADO WATCH IS ISSUED.

FOR THE SOUTHERN ALABAMA HAZARDOUS WEATHER OUTLOOK...SEE PRODUCT
BHMSPSMOB.  FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE AT
HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/INDEX.HTML ON THE WORLD
WIDE WEB.
Special weather statement, Nov 1, 9:40 AM CST, 4 hours 18 minutes before
ALZ001>050-GAZ089-090-102-120-020100-

HAZARDOUS WEATHER OUTLOOK
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
940 AM CST SAT NOV 1 1997

A COLD FRONT WILL MOVE INTO WEST ALABAMA EARLY THIS AFTERNOON AND WILL
BE LOCATED NEAR THE ALABAMA/GEORGIA STATE LINE BY SUNSET.  THE AIRMASS
ACROSS THE REGION WILL BECOME MORE UNSTABLE AS SOUTH WINDS INCREASE
DURING THE DAY.  THE STORM PREDICTION CENTER HAS OUTLOOKED THE AREA
FOR A SLIGHT RISK OF SEVERE THUNDERSTORMS.  ANY THUNDERSTORMS THAT
DEVELOP TODAY WILL HAVE THE POTENTIAL TO BECOME SEVERE...WITH LARGE
HAIL BEING THE PRIMARY THREAT.

STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE ON STANDBY
AND BE READY FOR SEVERE WEATHER ACTIVATION IF A SEVERE THUNDERSTORM OR
TORNADO WATCH IS ISSUED.

FOR THE SOUTHERN ALABAMA HAZARDOUS WEATHER OUTLOOK...SEE PRODUCT
BHMSPSMOB.  FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE AT
HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/INDEX.HTML ON THE WORLD
WIDE WEB.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 10:54 AM CSTSevere Thunderstorm WarningBMXCalhoun46 min
Nov 1, 12:31 PM CSTSevere Thunderstorm WarningBMXSumter49 min
Nov 1, 12:36 PM CSTSevere Thunderstorm WarningBMXPickens, Tuscaloosa49 min
Nov 1, 12:38 PM CSTSevere Thunderstorm WarningBMXJefferson47 min
Nov 1, 12:47 PM CSTSevere Thunderstorm WarningBMXGreene48 min
Nov 1, 1:14 PM CSTSevere Thunderstorm WarningBMXMarengo46 min
Nov 1, 1:22 PM CSTSevere Thunderstorm WarningBMXHale63 min
Nov 1, 1:45 PM CSTSevere Thunderstorm WarningBMXPerry35 min
Nov 1, 2:03 PM CSTSevere Thunderstorm WarningBMXJefferson, St. Clair47 min
Nov 1, 2:03 PM CSTSevere Thunderstorm WarningBMXDallas32 min
Nov 1, 2:15 PM CSTSevere Thunderstorm WarningBMXMadison45 min
Nov 1, 2:25 PM CSTSevere Thunderstorm WarningBMXPerry35 min
Nov 1, 2:30 PM CSTSevere Thunderstorm WarningBMXPike50 min
Nov 1, 2:36 PM CSTSevere Thunderstorm WarningBMXBullock, Montgomery49 min
Nov 1, 2:49 PM CSTTornado WarningBMXRussell51 min
Nov 1, 2:56 PM CSTSevere Thunderstorm WarningBMXCalhoun, Talladega49 min
Nov 1, 3:12 PM CSTSevere Thunderstorm WarningBMXMacon33 min
Nov 1, 3:15 PM CSTSevere Thunderstorm WarningBMXBarbour50 min
Nov 1, 3:27 PM CSTSevere Thunderstorm WarningBMXMontgomery, Pike48 min
Nov 1, 3:36 PM CSTSevere Thunderstorm WarningBMXLee49 min
Nov 1, 3:53 PM CSTSevere Thunderstorm WarningBMXRussell47 min
Nov 1, 4:13 PM CSTSevere Thunderstorm WarningBMXBullock, Montgomery32 min
Nov 1, 4:21 PM CSTSevere Thunderstorm WarningBMXPike49 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm warning in 1997

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.