Alert archive / Alabama / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 39, NWS Birmingham, AL

April 4, 1989Pickens County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 4, 1989, 5:02 AM CDT for Pickens County, Alabama. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1989, 5:02 AM CDT (10:02 UTC)
Expired
Apr 4, 1989, 5:45 AM CDT
In force
43 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Pickens 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, 10.0 hours before the alert went out and 93 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, Centreville/Bibb, AL at 00:00Z on 1989-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 693 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, Centreville/Bibb, AL at 00:00Z on 1989-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 square meters per square second.193958Sfc1 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
693 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
0.9
Supercell composite
13.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBHM 041002
SVRBHM
ALC107-041045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
502 AM CDT TUE APR 4 1989
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTH ALABAMA
          ...PICKENS
 
A SEVERE THUNDERSTORM WAS INDICATED BY RADAR WEST OF GORDO IN PICKENS
COUNTY AT 455 AM. THE STORM WAS MOVING EAST AT 50 MPH.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 4, 2:42 AM CDT, 2 hours 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
240 AM CDT TUE APR 4 1989

...STRONG THUNDERSTORMS IN NORTHWEST ALABAMA...

A TORNADO WATCH CONTINUES UNTIL 5 AM CDT FOR 24 NORTHWEST
ALABAMA COUNTIES.

AT 240 AM...VERY SRRONG THUNDERSTORMS CONTINUE TO MOVE
INTO NORTHWEST ALABAMA FROM EASTERN MISSISSIPPI.

THIS INCLUDES SOME STRONG THUNDERSTORMS IN WESTERN MARION
COUNTY...APPROACHING THE HAMILTON AREA. OTHER THUNDERSTORMS
WILL BE MOVING INTO LAMAR COUNTY SOON AFTER 3 AM CDT.
THEY WERE MOVING EAST AT 40 MPH.

THE THUNDERSTORMS WILL PRODUCE POSSIBLE STRONG WINDS...
HAIL AND DANGEROUS LIGHTNING...ALONG WITH VERY HEAVY RAIN.
A WARNING MAY BE NEEDED FOR SOME NORTHWEST XALABAMA COUNTIES
SOON.
Special weather statement, Apr 4, 2:45 AM CDT, 2 hours 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
240 AM CDT TUE APR 4 1989

...STRONG THUNDERSTORMS IN NORTHWEST ALABAMA...

A TORNADO WATCH CONTINUES UNTIL 5 AM CDT FOR 14 NORTHWEST
ALABAMA COUNTIES.

AT 240 AM...VERY SRRONG THUNDERSTORMS CONTINUE TO MOVE
INTO NORTHWEST ALABAMA FROM EASTERN MISSISSIPPI.

THIS INCLUDES SOME STRONG THUNDERSTORMS IN WESTERN MARION
COUNTY...APPROACHING THE HAMILTON AREA. OTHER THUNDERSTORMS
WILL BE MOVING INTO LAMAR COUNTY SOON AFTER 3 AM CDT.
THEY WERE MOVING EAST AT 40 MPH.

THE THUNDERSTORMS WILL PRODUCE POSSIBLE STRONG WINDS...
HAIL AND DANGEROUS LIGHTNING...ALONG WITH VERY HEAVY RAIN.
A WARNING MAYb BE NEEDED FOR SOME NORTHWEST ALABAMA COUNTIES
SOON.
Local storm report, Apr 4, 3:43 AM CDT, 1 hour 19 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE BIRMINGHAM AL
343 AM CDT TUE APR 4 1989

...ALABAMA STATE TROOPERS REPORT TREES DOWN AT HAMILTON IN
   NORTHWEST ALABAMA'S MARION COUNTY. THE SEVERE THUNDERSTORMS
   MOVED THROUGH THE HAMILTON AREA AROUND 315 TO 320 AM CDT.
   THE HOME OF AN ALABAMA STATE TROOPER WAS ALSO DAMAGED. THE
   TROOPERS PATROL CAR WAS THE VICTIM OF A FALLING TREE.

   STATE TROOPERS REPORT POWER OUT IN THE HAMILTON AREA...
 "  HAMPERING EFFORTS TO CHECK ON DAMAGE.
Local storm report, Apr 4, 4:30 AM CDT, 32 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE BIRMINGHAM AL
430 AM CDT TUE APR 4 1989

...THE BIRMINGHAM AMATEUR RADIO CLUB REPORTS NUMEROUS TREES
   DOWN ON  ALABAMA HIGHWAY 14 WEST OF HAMILTON. ALSO AT THE
   INTERESECTION OF STATE ROUTE 17 AND COUNTY ROAD 1...NUMEROUS
   TREES AND POWER LINES DOWN. HIGHWAY 1 WAS BLOCKED.
   THIS HAPPENED ABOUT 315 AM.

...ALABAMA STATE TROOPERS REPORT AT LEAST TWO MOBILE HOMES
   DESTROYED IN THE SOUTH PART OF HALEYVILLE...IN THE
   NORTHWEST CORNER OF WINSTON COUNTY. TIME UNKNOWN.

...THE CULLMAN COUNTY EMA OFFICE REPORTED AROUND 420 AM...
   LOUD ROARING SOUNDS BETWEEN CULLMAN AND LOGAN AND ALSO
   AT ADDISION IN EASTERN WINSTON COUNTY.

...THEg PUBLIC REPORTS CONSIDERABLE DAMAGE NORTH OF HAMILTON.

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 4, 3:01 AM CDTSevere Thunderstorm WarningBMXLamar, Marion59 min
Apr 4, 4:14 AM CDTSevere Thunderstorm WarningBMXLimestone30 min
Apr 4, 4:14 AM CDTSevere Thunderstorm WarningBMXMadison, Morgan50 min
Apr 4, 4:41 AM CDTSevere Thunderstorm WarningBMXJefferson, Tuscaloosa, Walker64 min
Apr 4, 4:41 AM CDTSevere Thunderstorm WarningBMXBlount64 min
Apr 4, 5:04 AM CDTSevere Thunderstorm WarningBMXMarshall46 min
Apr 4, 7:54 AM CDTSevere Thunderstorm WarningBMXFayette, Pickens, Tuscaloosa66 min
Apr 4, 10:00 AM CDTSevere Thunderstorm WarningBMXCullman60 min
Apr 4, 10:07 AM CDTTornado WarningBMXBlount, Cullman68 min
Apr 4, 10:11 AM CDTSevere Thunderstorm WarningBMXLamar, Pickens64 min
Apr 4, 10:21 AM CDTSevere Thunderstorm WarningBMXMarshall69 min
Apr 4, 10:21 AM CDTSevere Thunderstorm WarningBMXMorgan59 min
Apr 4, 10:30 AM CDTSevere Thunderstorm WarningBMXEtowah60 min
Apr 4, 10:36 AM CDTSevere Thunderstorm WarningBMXFayette54 min
Apr 4, 10:59 AM CDTTornado WarningBMXMarshall46 min
Apr 4, 11:21 AM CDTSevere Thunderstorm WarningBMXPickens69 min
Apr 4, 11:35 AM CDTTornado WarningBMXDeKalb55 min
Apr 4, 11:38 AM CDTSevere Thunderstorm WarningBMXTuscaloosa67 min
Apr 4, 11:56 AM CDTSevere Thunderstorm WarningBMXJefferson64 min
Apr 4, 12:06 PM CDTSevere Thunderstorm WarningBMXBlount69 min
Apr 4, 12:14 PM CDTSevere Thunderstorm WarningBMXBibb, Hale61 min
Apr 4, 12:26 PM CDTSevere Thunderstorm WarningBMXSt. Clair, Shelby64 min
Apr 4, 12:40 PM CDTSevere Thunderstorm WarningBMXEtowah65 min
Apr 4, 12:49 PM CDTTornado WarningBMXShelby41 min
Apr 4, 1:01 PM CDTTornado WarningBMXCalhoun, Cherokee, Etowah59 min
Apr 4, 1:30 PM CDTSevere Thunderstorm WarningBMXHale, Marengo60 min
Apr 4, 1:30 PM CDTSevere Thunderstorm WarningBMXClay, Cleburne60 min
Apr 4, 1:32 PM CDTTornado WarningBMXHale, Marengo43 min
Apr 4, 1:45 PM CDTSevere Thunderstorm WarningBMXRandolph60 min
Apr 4, 1:59 PM CDTTornado WarningBMXChilton31 min
Apr 4, 2:42 PM CDTSevere Thunderstorm WarningBMXMarengo63 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.