Alert archive / Alabama / Tornado Warnings in 1989

Tornado Warning 5, NWS Mobile, AL

March 21, 1989Dale County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 21, 1989, 8:24 AM CST for Dale County, Alabama. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Mar 21, 1989, 8:24 AM CST (14:24 UTC)
Expired
Mar 21, 1989, 9:06 AM CST
In force
42 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Dale 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

Apalachicola Mun, FL (KAQQ), launched 12:00Z, 2.4 hours before the alert went out and 198 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, Apalachicola Mun, FL at 12:00Z on 1989-03-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 707 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Apalachicola Mun, FL at 12:00Z on 1989-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
707 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
887 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 211427
TORMGM
ALC045-211515-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
824 AM CST TUE MAR 21 1989
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  915 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH ALABAMA
          ...DALE
 
AT 9 25PM CST...PERSONELL AT FT. RUCKER INDICATED A TORNADO AT
PATTERSON FIELD 3 MILES SOUTH OF FT RUCKER MOVING TOWARD THE EAST
NORTHEAST AT 30MPH. RADAR AT MONTGOMERY SHOWED AT THUNDERSTORM IN
THAT AREA.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 6:36 PM CSTSevere Thunderstorm WarningMOBDallas69 min
Mar 20, 7:34 PM CSTSevere Thunderstorm WarningMOBCoosa56 min
Mar 20, 7:34 PM CSTSevere Thunderstorm WarningMOBAutauga56 min
Mar 20, 8:16 PM CSTSevere Thunderstorm WarningMOBMontgomery59 min
Mar 20, 9:18 PM CSTSevere Thunderstorm WarningMOBCovington57 min
Mar 21, 4:20 AM CSTSevere Thunderstorm WarningMOBMobile40 min
Mar 21, 5:11 AM CSTSevere Thunderstorm WarningMOBElmore64 min
Mar 21, 6:35 AM CSTSevere Thunderstorm WarningMOBBarbour, Pike55 min
Mar 21, 7:37 AM CSTSevere Thunderstorm WarningMOBBarbour68 min
Mar 21, 8:04 AM CSTSevere Thunderstorm WarningMOBHenry, Houston56 min
Mar 21, 9:15 AM CSTSevere Thunderstorm WarningMOBHouston50 min
Mar 21, 10:48 AM CSTSevere Thunderstorm WarningMOBMobile42 min
Mar 21, 1:45 PM CSTSevere Thunderstorm WarningMOBMobile45 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.