Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 162, NWS Birmingham, AL

March 3, 1997Etowah County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 3, 1997, 2:59 AM CST for Etowah County, Alabama. It was in force for 46 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 3, 1997, 2:59 AM CST (08:59 UTC)
Expired
Mar 3, 1997, 3:45 AM CST
In force
46 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Etowah County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 2, 11:45 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.0 hours before the alert went out and 118 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 1997-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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, Birmingham, AL at 00:00Z on 1997-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 323 square meters per square second.1939587897117Sfc1 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
18 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
323 m²/s²
0-3 km storm-relative helicity
420 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 030900 RRA
SVRBHM
ALC055-030945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
259 AM CST MON MAR 3 1997
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH ALABAMA
 
   ...ETOWAH COUNTY
 
AT 259 AM CST...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM MOVING OVER
THE WEST PART OF ETOWAH COUNTY IN THE WALNUT GROVE AND ALTOONA AREAS. THSTORM WAS MOVING NORTHEAST AT 45 MPH.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALL6Y DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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 3, 1:35 AM CST, 1 hour 24 minutes before
ALZ011-012-022-030-051-052-030830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
135 AM CST MON MAR 3 1997

THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM TORNADO WATCH NUMBER 49:
MARION...LAMAR...PICKENS...SUMTER...CHOCTAW AND WASHINGTON.  A LINE OF
POSSIBLE SEVERE THUNDERSTORMS CONTINUES TO SHIFT EAST ACROSS THE STATE.
TORNADO WATCH 49 CONTINUES UNTIL 400 AM FOR OTHER COUNTIES INCLUDED IN
THIS WATCH.
Special weather statement, Mar 3, 1:37 AM CST, 1 hour 22 minutes before
ALZ011-012-022-030-051-052-030830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
135 AM CST MON MAR 3 1997

THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM TORNADO WATCH NUMBER 49:
MARION...LAMAR...PICKENS...SUMTER...CHOCTAW AND WASHINGTON.  A LINE OF
POSSIBLE SEVERE THUNDERSTORMS CONTINUES TO SHIFT EAST ACROSS THE STATE.
TORNADO WATCH 49 CONTINUES UNTIL 400 AM FOR OTHER COUNTIES INCLUDED IN
THIS WATCH.
Special weather statement, Mar 3, 1:55 AM CST, 1 hour 4 minutes before
ALZ001>003-030830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
155 AM CST MON MAR 3 1997

THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM TORNADO WATCH NUMBER 50:
LAUDERDALE...COLBERT...AND FRANKLIN.  A LINE OF POSSIBLE SEVERE
THUNDERSTORMS CONTINUES TO SHIFT EAST ACROSS THE STATE.  TORNADO WATCH
50 CONTINUES UNTIL 500 AM FOR OTHER COUNTIES INCLUDED IN THIS WATCH AS
WELL AS TO 400 AM FOR OTHER COUNTIES IN TORNADO WATCH 49.
Special weather statement, Mar 3, 1:57 AM CST, 1 hour 2 minutes before
ALZ001>003-030830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
155 AM CST MON MAR 3 1997

THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM TORNADO WATCH NUMBER 50:
LAUDERDALE...COLBERT.<..AND FRANKLIN.  A LINE OF POSSIBLE SEVERE
THUNDERSTORMS CONTINUES TO SHIFT EAST ACROSS THE STATE.  TORNADO WATCH
50 CONTINUES UNTIL 500 AM FOR OTHER COUNTIES INCLUDED IN THIS WATCH AS
WELL AS TO 400 AM FOR OTHER COUNTIES IN TORNADO WATCH 49.
Special weather statement, Mar 3, 2:30 AM CST, 29 minutes before
ALZ004-013-014-015-023-031-032-039-053-030900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
230 AM CST MON MAR 3 1997

THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM TORNADO WATCH NUMBER 50:
LAWRENCE.  THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM TORNADO WATCH
NUMBER 49: WINSTON...FAYETTE...WALKER...TUSCALOOSA...GREENE...HALE
MARENGO AND CLARKE.   A LINE OF POSSIBLE SEVERE THUNDERSTORMS CONTINUES
TO SHIFT EAST ACROSS THE STATE.  TORNADO WATCH 50 CONTINUES UNTIL
500 AM FOR OTHER COUNTIES INCLUDED IN THIS WATCH AS WELL AS TO 400 AM
FOR OTHER COUNTIES IN TORNADO WATCH 49.
Special weather statement, Mar 3, 2:33 AM CST, 26 minutes before
ALZ004-013-014-015-023-031-032-039-053-030900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
230 AM CST MON MAR 3 1997

THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM TORNADO WATCH NUMBER 50:
LAWRENCE.  THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM TORNADO WATCH
NUMBER 49: WINSTON...FAYETTE...WALKER...TUSCALOOSA...GREENE...HALE
MARENGO AND CLARKE.   A LINE OF POSSIBLE SEVERE THUNDERSTORMS CONTINUES
TO SHIFT EAST ACROSS THE STATE.  TORNADO WATCH 50 CONTINUES UNTIL
500 AM FOR OTHER COUNTIES INCLUDED IN THIS WATCH AS WELL AS TO 400 AM
FOR OTHER COUNTIES IN TORNADO WATCH 49.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 7:29 PM CSTFlash Flood WarningBMXColbert, Franklin, Lawrence3 hr
Mar 2, 7:29 PM CSTFlash Flood WarningBMXLauderdale, Limestone3 hr
Mar 2, 11:15 PM CSTSevere Thunderstorm WarningBMXColbert, Lauderdale45 min
Mar 2, 11:35 PM CSTSevere Thunderstorm WarningBMXMarion40 min
Mar 2, 11:38 PM CSTTornado WarningBMXColbert, Franklin, Lauderdale67 min
Mar 2, 11:55 PM CSTSevere Thunderstorm WarningBMXLamar50 min
Mar 3, 12:05 AM CSTSevere Thunderstorm WarningBMXMarion55 min
Mar 3, 12:29 AM CSTSevere Thunderstorm WarningBMXFayette61 min
Mar 3, 12:45 AM CSTTornado WarningBMXColbert, Lauderdale, Lawrence60 min
Mar 3, 12:45 AM CSTTornado WarningBMXFranklin60 min
Mar 3, 12:46 AM CSTSevere Thunderstorm WarningBMXWinston59 min
Mar 3, 12:57 AM CSTSevere Thunderstorm WarningBMXMarion18 min
Mar 3, 1:02 AM CSTSevere Thunderstorm WarningBMXWalker58 min
Mar 3, 1:21 AM CSTSevere Thunderstorm WarningBMXLimestone69 min
Mar 3, 1:41 AM CSTSevere Thunderstorm WarningBMXLawrence, Morgan64 min
Mar 3, 2:03 AM CSTTornado WarningBMXLimestone57 min
Mar 3, 2:11 AM CSTTornado WarningBMXMadison, Morgan64 min
Mar 3, 2:41 AM CSTSevere Thunderstorm WarningBMXMarshall64 min
Mar 3, 2:46 AM CSTSevere Thunderstorm WarningBMXBlount44 min
Mar 3, 3:50 AM CSTSevere Thunderstorm WarningBMXCoosa, Elmore40 min
Mar 3, 4:10 AM CSTTornado WarningBMXCoosa, Tallapoosa65 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.