Alert archive / Alabama / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 16, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Mar 20, 1989, 7:17 PM CST for Chilton County, Alabama. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Mar 20, 1989, 7:17 PM CST (01:17 UTC)
- Expired
- Mar 20, 1989, 8:15 PM CST
- In force
- 58 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Chilton County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 00:00Z, 1.3 hours before the alert went out and 45 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
- 298 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1556 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
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, Mar 20, 4:03 PM CST, 3 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
400 PM CST MON MAR 20 1989
...SEVERE THUNDERSTORM WATCH NUMBER 41 IN EFFECT FOR
MUCH OF ALABAMA UNTIL 900 PM CST...
THE WATCH AREA IS TO THE SOUTH AND WEST OF SUCH COUNTIES OF GREENE...
HALE AND PERRY AND EXTENDS TO THE GULF COAST. INCLUDED IN THE WATCH
ARE CITIES SUCH AS LINDEN...MARION...DEMOPOLIS...GROVE HILL...MOBILE...
AND BAY MINETTE.
AT 400 PM CST A STRONG COLD FRONT OVER CENTRAL ARKANSAS AND EASTERN
TEXAS WAS MOVING SOUTHEAST TOWARD ALABAMA WHILE THE STRONGEST STORMS
WERE LOCATED IN STILL IN SOUTH CENTRAL LOUISIANA AND THE SOUTHERN HALF
OF MISSISSIPPI. OTHER THUNDERSTORMS WERE DEVELOPING NEAR THE ALABAMA/
MISSISSIPPI LINE AT 400 PM CST. THESE WILL BEGIN TO MOVE INTO EXTREME
WEST ALABAMA BEFORE 500 PM.
PERSONS IN WEST AND SOUTHWEST ALABAMA SHOULD KEEP INFORMED OF THE
LATEST WEATHER CONDITIONS AND BE READY TO GO TO A PLACE OF SAFETY
SHOULD A WARNING BE ISSUED.Special weather statement, Mar 20, 4:10 PM CST, 3 hours 7 minutes before
TSPECI KBHM 202210 COR
SPECIAL WEATHER STATEMENT CORRECTED
NATIONAL WEATHER SERVICE BIRMINGHAM AL
400 PM CST MON MAR 20 1989
...SEVERE THUNDERSTORM WATCH NUMBER 41 IN EFFECT FOR
MUCH OF SOUTHWEST ALABAMA UNTIL 900 PM CST...
THE WATCH AREA IS TO THE SOUTH AND WEST OF SUCH COUNTIES OF GREENE...
HALE AND PERRY AND EXTENDS TO THE GULF COAST. INCLUDED IN THE WATCH
AREA ARE CITIES SUCH AS LINDEN...MARION...DEMOPOLIS...GROVE HILL...
MOBILE...AND BAY MINETTE.
AT 400 PM CST A STRONG COLD FRONT OVER CENTRAL ARKANSAS AND EASTERN
TEXAS WAS MOVING SOUTHEAST TOWARD ALABAMA WHILE THE STRONGEST STORMS
WERE LOCATED IN SOUTH CENTRAL LOUISIANA AND THE SOUTHERN HALF OF
MISSISSIPPI. OTHER THUNDERSTORMS WERE DEVELOPING NEAR THE ALABAMA/
MISSISSIPPI LINE AT 400 PM CST. THESE WILL BEGIN TO MOVE INTO EXTREME
WEST ALABAMA BEFORE 500 PM.
PERSONS IN WEST AND SOUTHWEST ALABAMA SHOULD KEEP INFORMED OF THE
LATEST WEATHER CONDITIONS AND BE READY TO GO TO A PLACE OF SAFETY
SHOULD A WARNING BE ISSUED.Special weather statement, Mar 20, 5:43 PM CST, 1 hour 34 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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<p id="message2">
Please try again in a few minutes.
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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 |
|---|---|---|---|---|
| Mar 20, 6:01 PM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 59 min |
| Mar 20, 6:40 PM CST | Tornado Warning | BMX | Jefferson | 65 min |
| Mar 20, 7:04 PM CST | Severe Thunderstorm Warning | BMX | Shelby | 56 min |
| Mar 20, 7:39 PM CST | Severe Thunderstorm Warning | BMX | Talladega | 66 min |
| Mar 20, 8:35 PM CST | Severe Thunderstorm Warning | BMX | Cleburne | 55 min |
| Mar 21, 2:14 AM CST | Tornado Warning | BMX | Tuscaloosa | 46 min |
| Mar 21, 2:54 AM CST | Tornado Warning | BMX | Bibb, Jefferson, Shelby | 66 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1989Every severe thunderstorm warning in 1989
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.