Alert archive / Alabama / Tornado Warnings in 1989

Tornado Warning 38, NWS Birmingham, AL

June 12, 1989Walker County, Alabama

NWS Birmingham, AL issued this tornado warning at Jun 12, 1989, 7:27 PM CDT for Walker County, Alabama. It was in force for 18 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1989, 7:27 PM CDT (00:27 UTC)
Expired
Jun 12, 1989, 7:45 PM CDT
In force
18 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Walker 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, 0.5 hours before the alert went out and 101 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 1989-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1061 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 1989-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
1061 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1357 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 130032 COR
TORBHM
ALC127-130045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
727 PM CDT MON JUN 12 1989

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...

IN NORTH ALABAMA
          ...NORTHERN WALKER

AT 723 PM THE PUBLIC REPORTED NUMEROUS SIGHTINGS OF FUNNEL CLOUDS
NEAR THE TOWN OF MANCHESTER IN WALKER COUNTY. THE THUNDERSTORM
PRODUCING THESE FUNNEL CLOUDS WAS MOVING EAST-NORTHEAST AT
30 MPH.


THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

What forecasters said that day

The local office's own words before this tornado 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, Jun 12, 4:14 PM CDT, 3 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
413 PM CDT MON JUN 12 1989

STRONG THUNDERSTORMS APPROCHING WEST-CENTRAL ALABAMA.

AT 410 PM WEATHER SERVICE RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS OVER EASTERN MISSISSIPPI MOVING TOWARDS THE NORTHEAST
AT 25 MPH. THESE THUNDERSTORMS WILL MOVE INTO MARION AND LAMAR COUNTIES
BY 5 PM.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...
BRIEF HEAVY DOWNPOURS...DANGEROUS LIGHTNING AND SOME HAIL.
Special weather statement, Jun 12, 5:48 PM CDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
547 PM CDT MON JUN 12 1989

AT 540 PM CDT RADAR INDICATED ISOLATED THUNDERSTORMS OVER SOUTH
CENTRAL ALABAMA. VERY HEAVY RAIN...INTENSE LIGHTNING...GUSTY WINDS
HAIL WILL ACCOMPANY THESE STORMS. THE THUNDERSTORMS WERE LOCATED
OVER EASTERN DALLAS THROUGH SOUTHERN AUTAUGA AND ELMORE COUNTIES.
OTHER THUNDERSTORMS WERE OVER NORTHEAST MONTGOMERY AND SOUTHERN
TALLAPOOSA COUNTIES. MOVEMENTS WAS TO THE NORTHEAST AT AROUND 30 MPH.

PERSONS IN CENTRAL ALABAMA SHOULD BE ON THE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS.
Special weather statement, Jun 12, 6:23 PM CDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
623 PM CDT MON JUN 12 1989

AT 615 PM CDT RADAR INDICATED THUNDERSTORMS CONTINUING OVER SOUTH
CENTRAL ALABAMA IN AUTAUGA...ELMORE...EASTERN MONTGOMERY AND ALONG
THE MACON...TALLAPOOSA...AND LEE COUNTY LINES. THE THUNDERSTORMS
WERE MOVING TO THE EAST NORTHEAST AT 35 TO 40 MPH.

VERY HEAVY RAIN...INTENSE LIGHTNING...GUSTY WINDS AND POSSIBLY SOME
HAIL WILL ACCOMPANY THESE STORMS.| PERSONS IN SOUTH CENTRAL ALABAMA
SHOULD BE ON THE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:01 PM CDTSevere Thunderstorm WarningBMXMarshall59 min

Nearby

Tornado Warnings in Alabama, 1989Every tornado warning in 1989Tornadoes 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.