Alert archive / Alabama / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 48, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 20, 1992, 2:43 PM CDT for Cherokee County, Alabama. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- Apr 20, 1992, 2:43 PM CDT (19:43 UTC)
- Expired
- Apr 20, 1992, 3:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Cherokee County, AL
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 12:00Z, 7.7 hours before the alert went out and 205 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
- 11 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 259 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 20, 11:15 AM CDT, 3 hours 28 minutes before
ALZ010-011-012-014-017-018-201730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 1110AM CDT MON APR 20 1992 ...TORNADO WATCH NUMBERS 158 AND 159 REMAIN IN EFFECT FOR PARTS OF ALABAMA UNTIL 2 AND 4PM... WEATHER RADAR AT MONTGOMERY SHOWED A LINE OF STRONG THUNDERSTORMS AT 1110AM CDT EXTENDING FROM NEAR TUSCALOOSA SOUTHWARD TO DEMOPOLIS AND LINDEN. THE LINE OF THUNDERSTORMS WAS MOVING TOWARD THE EAST AT ABOUT 25 MPH AND WILL BE )ENTERING DALLAS AND WILCOX COUNTIES WITHIN THE HOUR. PERSONS IN THE WATCH AREAS SHOULD REMAIN ON THE ALERT AS THE POTENTIAL FOR SEVERE WEATHER REMAINS HIGH. STAY TUNED TO LOCAL RADIO TV OR NOAA WEATHER RADIO FOR THE LATEST INFORMATION.
Local storm report, Apr 20, 12:06 PM CDT, 2 hours 37 minutes before
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</html>Special weather statement, Apr 20, 12:42 PM CDT, 2 hours 1 minute before
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</html>Local storm report, Apr 20, 1:26 PM CDT, 1 hour 17 minutes before
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</html>Special weather statement, Apr 20, 2:01 PM CDT, 42 minutes before
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</html>Special weather statement, Apr 20, 2:03 PM CDT, 40 minutes before
ALZ001>018-202000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 200 PM CDT MON APR 20 1992 ...TORNADO WATCH CANCELLED FOR MUCH OF NORTH...WEST...AND CENTRAL ALABAMA... ...TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT FOR THE COUNTIES OF CHEROKEE...ETOWAH...SAINT CLAIR...CALHOUN...CLEBURNE... TALLADEGA...CLAY...RANDOLPH...COOSA...TALLAPOOSA...CHAMBERS...LEE... AUTAUGA...ELMORE...LOWNDES...MONTGOMERY...MACON...RUSSELL...AND BULLOCK COUNTIES. ...SEVERE THUNDERSTORM WATCH UNTIL 700 PM CDT FOR MUCH OF SOUTH ALABAMA INCLUDING THE FOLLOWING COUNTIES...BALDWIN...MOBILE...MONROE... CONECUH...ESCAMBIA...BUTLER...CRENSHAW...COVINGTON...PIKE...COFFEE ^ GENEVA...BARBOUR...DALE...HENRY...AND HOUSTON COUNTIES.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 10:16 AM CDT | Severe Thunderstorm Warning | BMX | Greene | 44 min |
| Apr 20, 10:19 AM CDT | Severe Thunderstorm Warning | BMX | Pickens | 41 min |
| Apr 20, 10:23 AM CDT | Severe Thunderstorm Warning | BMX | Marengo | 67 min |
| Apr 20, 10:43 AM CDT | Severe Thunderstorm Warning | BMX | Hale, Tuscaloosa | 62 min |
| Apr 20, 11:12 AM CDT | Tornado Warning | BMX | Tuscaloosa | 48 min |
| Apr 20, 11:15 AM CDT | Severe Thunderstorm Warning | BMX | Fayette | 60 min |
| Apr 20, 11:29 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Walker | 61 min |
| Apr 20, 11:47 AM CDT | Severe Thunderstorm Warning | BMX | Cullman | 58 min |
| Apr 20, 11:51 AM CDT | Severe Thunderstorm Warning | BMX | Winston | 54 min |
| Apr 20, 12:00 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 60 min |
| Apr 20, 12:11 PM CDT | Severe Thunderstorm Warning | BMX | Lawrence, Morgan | 64 min |
| Apr 20, 12:41 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 54 min |
| Apr 20, 4:52 PM CDT | Severe Thunderstorm Warning | BMX | Clay, Randolph | 68 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1992Every severe thunderstorm warning in 1992
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.