Alert archive / Alabama / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 2, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Feb 20, 1989, 11:20 PM CST for Madison County, Alabama. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Feb 20, 1989, 11:20 PM CST (05:20 UTC)
- Expired
- Feb 21, 1989, 12:15 AM CST
- In force
- 55 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Madison 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
Nashville Metro, TN (KBNA), launched 00:00Z, 5.3 hours before the alert went out and 152 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 196 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KHSV 210519
SVRHSV
ALC089-210615-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1120 PM CST MON FEB 20 1989
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH ALABAMA
...MADISON
AT 11:15 PM CST... RADAR INDICATED POSSIBLE SEVERE THUNDERSTORMS IN
SOUTHWEST MADISON COUNTY NEAR MADISON MOVING NORTHEAST AT 45 MPH.
THE THUNDERSTORMS WILL PROBABLY CAUSE 50 TO 60 MPH WINDS WITH HAIL
AND VERY DANGEROUS LIGHTNING.
THESE THUNDERSTORMS CAUSED DAMAGE IN LAWRENCE COUNTY EARLIER WITH
SEVERAL REPORTS OF TREES BLOWN DOWN. THERE WERE NO CONFIRMED
TORNADO SIGHTINGS IN LAWRENCE COUNTY.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY 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, Feb 20, 8:58 PM CST, 2 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
857 PM CST MON FEB 20 1989
...THUNDERSTORMS MOVING INTO WEST AND NORTHWEST ALABAMA...
AT 845 PM THIS EVENING RADAR INDICATED A BAND OF SHOWERS AND THUNDER
STORMS STRETCHING FROM MIDDLE TENNESSEE ACROSS THE NORTHWEST CORNER
OF ALABAMA AND INTO NORTH CENTRAL MISSISSIPPI.
THE STRONGEST OF THESE STORMS WILL BE ENTERING NORTHERN LAMAR AND
MARION COUNTIES AROUND 915 PM. THIS STORM HAS A HISTORY OF TORNADIC
ACITIVITY AND LARGE HAIL. THERE IS A GOOD POSSIBILITY THAT WARNINGS
WILL HAVE TO BE ISSUED AS THIS STORM ENTERS ALABAMA.
PERSONS SHOULD REMAIN INFORMED ON THE LATEST WEATHER INFORMATION
AND BE PREPARED TO TAKE SHELTER IMMEDIATELY.
OTHER STRONG THUNDERSTORMS WERE LOCATED OVER MISSISSIPPI AND WILL
CONTINUE MOVING INTO ALABAMA DURING THE NIGHT.Special weather statement, Feb 20, 11:02 PM CST, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 11 PM CST MON FEB 20 1989 TORNADO WATCHES ARE IN EFFECT FOR CENTRAL AND SOUTH ALABAMA UNTIL 4AM CST TUESDAY MORNING... WEATHER RADAR AT MONTGOMERY SHOWED NUMEROUS SHOWERS AND A FEW THUNDER STORMS OVER CENTRAL AND SOUTH ALABAMA AT 11PM CST. THE SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT ABOUT 35 MPH. A LINE OF STRONG THUNDERSTORMS WAS OVER NORTHWEST AND WEST CENTRAL ALABAMA AND THIS LINE WAS MOVING EASTWARD AT 20 MPH. THIS LINE IS SEVERAL HOURS AWAY FROM THE MORE SOUTHERN PORTIONS OF THE STATE... HOWEVER PERSONS IN SOUTH ALABAMA SHOULD REMAIN ON THE ALERT AS THE POTENTIAL FOR SEVERE WEATHER AND POSSIBLE TORNADOES REMAINS HIGH. STAY TUNED TO LOCAL MEDIA STATIONS OR NOAA WEATHER RADIO FOR LATER INFORMATION. PP
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 9:17 PM CST | Tornado Warning | BMX | Lamar, Marion | 58 min |
| Feb 20, 9:48 PM CST | Tornado Warning | BMX | Fayette | 57 min |
| Feb 20, 10:14 PM CST | Tornado Warning | BMX | Walker, Winston | 61 min |
| Feb 20, 10:16 PM CST | Tornado Warning | BMX | Lawrence | 44 min |
| Feb 20, 10:30 PM CST | Flash Flood Warning | BMX | Lauderdale | 3 hr |
| Feb 20, 10:36 PM CST | Severe Thunderstorm Warning | BMX | Pickens | 69 min |
| Feb 20, 11:03 PM CST | Tornado Warning | BMX | Pickens | 57 min |
| Feb 20, 11:23 PM CST | Tornado Warning | BMX | Greene, Tuscaloosa | 67 min |
| Feb 20, 11:39 PM CST | Tornado Warning | BMX | Cullman | 66 min |
| Feb 20, 11:58 PM CST | Tornado Warning | BMX | Jefferson | 62 min |
| Feb 21, 1:00 AM CST | Flash Flood Warning | BMX | Limestone, Madison | 3 hr |
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.