Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 163, NWS Birmingham, AL

March 3, 1997Coosa County, Elmore County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 3, 1997, 3:50 AM CST for Coosa County, Elmore County, Alabama. It was in force for 40 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, 3:50 AM CST (09:50 UTC)
Expired
Mar 3, 1997, 4:30 AM CST
In force
40 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Coosa County, AL, Elmore County, AL

The radar

The Maxwell AFB radar (KMXX), 46 km from the middle of the area, began a volume at 09:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 2, 10:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.8 hours before the alert went out and 71 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 1:55 AM CST, 1 hour 55 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 53 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, 1 hour 20 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, 1 hour 17 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, 3:05 AM CST, 45 minutes before
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Special weather statement, Mar 3, 3:09 AM CST, 41 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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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, 2:59 AM CSTSevere Thunderstorm WarningBMXEtowah46 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; radar from the NEXRAD Level II archive.