Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 212, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 9, 1998, 12:20 AM CDT for Clay County, Alabama. It was in force for 50 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
- Apr 9, 1998, 12:20 AM CDT (05:20 UTC)
- Expired
- Apr 9, 1998, 1:10 AM CDT
- In force
- 50 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Clay County, AL
The radar
The Maxwell AFB radar (KMXX), 82 km from the middle of the area, began a volume at 05:23 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 8, 7:30 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 5.3 hours before the alert went out and 86 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.
- Mixed-layer CAPE
- 2060 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 632 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 284 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.0
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, Apr 8, 11:34 PM CDT, 46 minutes before
ALZ008>010-017-024-032-090455- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1134 PM CDT WED APR 8 1998 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN ALABAMA ...MARSHALL... JACKSON... DEKALB... BLOUNT... JEFFERSON... HALE THE SEVERE STORMS HAVE NOW MOVED EAST OF THESE COUNTIES.
Special weather statement, Apr 8, 11:34 PM CDT, 46 minutes before
ALZ008>010-017-024-032-090455- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1134 PM CDT WED APR 8 1998 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN ALABAMA ...MARSHALL... JACKSON... DEKALB... BLOUNT... JEFFERSON... HALE THE SEVERE STORMS HAVE NOW MOVED EAST OF THESE COUNTIES.
Special weather statement, Apr 8, 11:50 PM CDT, 30 minutes before
ALZ034-090510- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1150 PM CDT WED APR 8 1998 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTY... IN ALABAMA ...BIBB THE SEVERE WEATHER HAS MOVED EAST OF THE COUNTY.
Special weather statement, Apr 8, 11:50 PM CDT, 30 minutes before
ALZ034-090510- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1150 PM CDT WED APR 8 1998 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTY... IN ALABAMA ...BIBB THE SEVERE WEATHER HAS MOVED EAST OF THE COUNTY.
Special weather statement, Apr 9, 12:09 AM CDT, 11 minutes before
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</html>Special weather statement, Apr 9, 12:09 AM CDT, 11 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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<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 7:01 PM CDT | Tornado Warning | BMX | Tuscaloosa | 49 min |
| Apr 8, 7:04 PM CDT | Tornado Warning | BMX | Franklin | 51 min |
| Apr 8, 7:10 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Lamar | 50 min |
| Apr 8, 7:15 PM CDT | Tornado Warning | BMX | Coosa, Tallapoosa | 45 min |
| Apr 8, 7:18 PM CDT | Tornado Warning | BMX | Marion | 47 min |
| Apr 8, 7:24 PM CDT | Severe Thunderstorm Warning | BMX | Colbert | 46 min |
| Apr 8, 7:25 PM CDT | Tornado Warning | BMX | Cullman | 35 min |
| Apr 8, 7:33 PM CDT | Tornado Warning | BMX | Marshall | 47 min |
| Apr 8, 7:36 PM CDT | Tornado Warning | BMX | Colbert | 49 min |
| Apr 8, 7:37 PM CDT | Tornado Warning | BMX | Pickens | 48 min |
| Apr 8, 7:37 PM CDT | Tornado Warning | BMX | Winston | 48 min |
| Apr 8, 7:42 PM CDT | Tornado Warning | BMX | Chambers | 48 min |
| Apr 8, 7:44 PM CDT | Tornado Warning | BMX | Blount | 46 min |
| Apr 8, 7:45 PM CDT | Tornado Warning | BMX | Jefferson | 50 min |
| Apr 8, 7:46 PM CDT | Tornado Warning | BMX | Lawrence | 49 min |
| Apr 8, 7:47 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 63 min |
| Apr 8, 7:56 PM CDT | Tornado Warning | BMX | Tuscaloosa | 64 min |
| Apr 8, 7:59 PM CDT | Severe Thunderstorm Warning | BMX | Lamar, Marion | 66 min |
| Apr 8, 7:59 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale | 51 min |
| Apr 8, 8:00 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cleburne | 50 min |
| Apr 8, 8:02 PM CDT | Tornado Warning | BMX | DeKalb | 63 min |
| Apr 8, 8:06 PM CDT | Severe Thunderstorm Warning | BMX | Clay, Randolph | 49 min |
| Apr 8, 8:08 PM CDT | Severe Thunderstorm Warning | BMX | Etowah | 47 min |
| Apr 8, 8:11 PM CDT | Severe Thunderstorm Warning | BMX | Limestone | 49 min |
| Apr 8, 8:25 PM CDT | Severe Thunderstorm Warning | BMX | Morgan | 50 min |
| Apr 8, 8:32 PM CDT | Tornado Warning | BMX | Jefferson | 33 min |
| Apr 8, 8:36 PM CDT | Severe Thunderstorm Warning | BMX | Madison | 49 min |
| Apr 8, 8:37 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 63 min |
| Apr 8, 8:49 PM CDT | Tornado Warning | BMX | St. Clair | 46 min |
| Apr 8, 8:49 PM CDT | Tornado Warning | BMX | Hale | 36 min |
| Apr 8, 8:54 PM CDT | Tornado Warning | BMX | Cherokee, Etowah | 51 min |
| Apr 8, 8:56 PM CDT | Tornado Warning | BMX | Tuscaloosa | 49 min |
| Apr 8, 9:00 PM CDT | Tornado Warning | BMX | Bibb | 50 min |
| Apr 8, 9:02 PM CDT | Tornado Warning | BMX | Jefferson | 63 min |
| Apr 8, 9:06 PM CDT | Severe Thunderstorm Warning | BMX | Lawrence | 49 min |
| Apr 8, 9:12 PM CDT | Severe Thunderstorm Warning | BMX | Morgan | 48 min |
| Apr 8, 9:15 PM CDT | Tornado Warning | BMX | Calhoun, Talladega | 65 min |
| Apr 8, 9:20 PM CDT | Severe Thunderstorm Warning | BMX | Limestone, Madison | 50 min |
| Apr 8, 9:32 PM CDT | Tornado Warning | BMX | Shelby | 48 min |
| Apr 8, 9:33 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 47 min |
| Apr 8, 9:52 PM CDT | Tornado Warning | BMX | Cleburne | 48 min |
| Apr 8, 9:53 PM CDT | Severe Thunderstorm Warning | BMX | Jackson | 47 min |
| Apr 8, 9:57 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 33 min |
| Apr 8, 10:05 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 50 min |
| Apr 8, 10:09 PM CDT | Severe Thunderstorm Warning | BMX | Talladega | 46 min |
| Apr 8, 10:22 PM CDT | Severe Thunderstorm Warning | BMX | Hale | 48 min |
| Apr 8, 10:41 PM CDT | Severe Thunderstorm Warning | BMX | Jackson | 34 min |
| Apr 8, 10:44 PM CDT | Severe Thunderstorm Warning | BMX | Talladega | 31 min |
| Apr 8, 10:47 PM CDT | Severe Thunderstorm Warning | BMX | DeKalb | 33 min |
| Apr 8, 10:50 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Perry | 45 min |
| Apr 8, 10:51 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 49 min |
| Apr 8, 10:55 PM CDT | Severe Thunderstorm Warning | BMX | Clay | 45 min |
| Apr 8, 11:03 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair, Shelby | 62 min |
| Apr 8, 11:03 PM CDT | Severe Thunderstorm Warning | BMX | Cleburne | 47 min |
| Apr 8, 11:22 PM CDT | Severe Thunderstorm Warning | BMX | Chilton, Shelby | 48 min |
| Apr 8, 11:55 PM CDT | Severe Thunderstorm Warning | BMX | Talladega | 50 min |
| Apr 8, 11:57 PM CDT | Severe Thunderstorm Warning | BMX | Cleburne | 33 min |
| Apr 9, 12:07 AM CDT | Severe Thunderstorm Warning | BMX | Coosa | 48 min |
| Apr 9, 12:45 AM CDT | Severe Thunderstorm Warning | BMX | Randolph, Tallapoosa | 45 min |
| Apr 9, 1:17 AM CDT | Severe Thunderstorm Warning | BMX | Chambers | 48 min |
| Apr 9, 3:16 AM CDT | Severe Thunderstorm Warning | BMX | Pike | 34 min |
| Apr 9, 3:31 AM CDT | Severe Thunderstorm Warning | BMX | Barbour | 49 min |
| Apr 9, 4:02 AM CDT | Severe Thunderstorm Warning | BMX | Stewart | 48 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; radar from the NEXRAD Level II archive.