Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 101, NWS Birmingham, AL

July 28, 1993Limestone County, Morgan County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 28, 1993, 7:03 PM CDT for Limestone County, Morgan County, Alabama. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1993, 7:03 PM CDT (00:03 UTC)
Expired
Jul 28, 1993, 8:00 PM CDT
In force
57 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Limestone County, AL, Morgan County, AL

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.1 hours before the alert went out and 169 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, Nashville Metro, TN at 00:00Z on 1993-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3431 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, Nashville Metro, TN at 00:00Z on 1993-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
3431 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1339 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHSV 290004
SVRHSV
ALC083-103-290100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
703 PM CDT WED JUL 28 1993
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
S...
 
IN NORTH ALABAMA
 
   ...LIMESTONE COUNTY...MORGAN COUNTY
 
AT 703 THIS EVENING WEATHER SERVICE DOPPLER RADAR AT HUNTSVILLE
INDICATED SEVERE THUNDERSTORMS IN SOUTHERN LIMESTONE AND NORTHERN
MORGAN COUNTIES. THESE STORMS WERE MOVING SOUTHEAST AT 10 TO 15 MPH.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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, Jul 28, 3:00 PM CDT, 4 hours 3 minutes before
ALZ010-011-012-014-017-018-282200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
300 PM CDT WED JUL 28 1993

...STRONG THUNDERSTORMS CONTINUE TO DEVELOP OVER PARTS OF CENTRAL
AND SOUTHEAST ALABAMA...

WEATHER RADAR AT MONTGOMERY SHOWED SCATTERED THUNDERSTORMS...SOME WITH
VERY HEAVY RAIN...OVER CENTRAL AND SOUTHEAST ALABAMA AT 255 PM CDT.
THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE LOCATED IN THE EAST
CENTRAL PORTION OF THE STATE...JUST WEST OF AUBURN...AND JUST SOUTH OF
TUSKEGEE.  OTHER STRONG THUNDERSTORMS WERE OCCURRING OVER SOUTHEAST
ALABAMA...BETWEEN DOTHAN AND FLORALA.  THE THUNDERSTORMS WERE MOVING
SOUTHWEST AT 5 MILES AN HOUR.

THE MOST INTENSE THUNDERSTORMS WILL BE ACCOMPANIED BY TORRENTIAL RAIN
...STONG GUSTY WINDS AND SMALL HAIL.  REMEMBER THAT ALL THUNDERSTORMS
PRODUCE DEADLY LIGHTNING.  STAY TUNED TO NOAA WEATHER RADIO...OR YOUR
LOCAL BROADCAST MEDIA FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Jul 28, 3:01 PM CDT, 4 hours 2 minutes before
ALZ010-011-012-014-017-018-282200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
300 PM CDT WED JUL 28 1993

...STRONG THUNDERSTORMS CONTINUE TO DEVELOP OVER PARTS OF CENTRAL
AND SOUTHEAST ALABAMA...

WEATHER RADAR AT MONTGOMERY SHOWED SCATTERED THUNDERSTORMS...SOME WITH
VERY HEAVY RAIN...OVER CENTRAL AND SOUTHEAST ALABAMA AT 255 PM CDT.
THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE LOCATED IN THE EAST
CENTRAL PORTION OF THE STATE...JUST WEST OF AUBURN...AND JUST SOUTH OF
TUSKEGEE.  OTHER STRONG THUNDERSTORMS WERE OCCURRING OVER SOUTHEAST
ALABAMA...BETWEEN DOTHAN AND FLORALA.  THE THUNDERSTORMS WERE MOVING
SOUTHWEST AT 5 MILES AN HOUR.

THE MOST INTENSE THUNDERSTORMSd WILL BE ACCOMPANIED BY TORRENTIAL RAIN
...STONG GUSTY WINDS AND SMALL HAIL.  REMEMBER THAT ALL THUNDERSTORMS
PRODUCE DEADLY LIGHTNING.  STAY TUNED TO NOAA WEATHER RADIO...OR YOUR
LOCAL BROADCAST MEDIA FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Jul 28, 4:23 PM CDT, 2 hours 40 minutes before
ALZ010-011-012-014-017-018-282245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
425 PM CDT WED JUL 28 1993

...STRONG THUNDERSTORMS CONTINUE OVER CENTRAL AND SOUTH ALABAMA...

WEATHER RADAR AT MONTGOMERY SHOWED SCATTERED THUNDERSTORMS...SOME WITH
VERY HEAVY RAIN...OVER CENTRAL AND SOUTH ALABAMA AT 415 PM CDT.
THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE LOCATED IN THE EAST
ALABAMA...BETWEEN AUBURN AND DOTHAN.  AND OVER SOUTH ALABAMA FROM NEAR
FT DEPOSIT TO THE ALABAMA/FLORIDA STATE LINE.  THE THUNDERSTORMS SHOWED
LITTLE MOVEMENT.

THE MOST INTENSE THUNDERSTORMS WILL BE ACCOMPANIED BY TORRENTIAL RAIN
...STONG GUSTY WINDS AND SMALL HAIL.  REMEMBER THAT ALL THUNDERSTORHMS
PRODUCE DEADLY LIGHTNING.  STAY TUNED TO NOAA WEATHER RADIO...OR YOUR
LOCAL BROADCAST MEDIA FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Jul 28, 4:25 PM CDT, 2 hours 38 minutes before
ALZ010-011-012-014-017-018-282245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
425 PM CDT WED JUL 28 1993

...STRONG THUNDERSTORMS CONTINUE OVER CENTRAL AND SOUTH ALABAMA...

WEATHER RADAR AT MONTGOMERY SHOWED SCATTERED THUNDERSTORMS...SOME WITH
VERY HEAVY RAIN...OVER CENTRAL AND SOUTH ALABAMA AT 415 PM CDT.
THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE LOCATED IN THE EAST
ALABAMA...BETWEEN AUBURN AND DOTHAN.  AND OVER SOUTH ALABAMA FROM NEAR
FT DEPOSIT TO THE ALABAMA/FLORIDA STATE LINE.  THE THUNDERSTORMS SHOWED
LITTLE MOVEMENT.

THE MOST INTENSE THUNDERSTORMS WILL BE ACCOMPANIED BY TORRENTIAL RAIN
...STONG GUSTY WINDS AND SMALL HAIL.  REMEMBER THAT ALL THUNDERSTORMS
PRODUCE DEADLY LIGHTNING.  STAY TUNED TO NOAA WEATHER RADIO...OR YOUR
LOCAL BROADCAST MEDIA FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Jul 28, 5:43 PM CDT, 1 hour 20 minutes before
ALZ010-011-012-014-017-018-290015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
545 PM CDT WED JUL 28 1993

...STRONG THUNDERSTORMS CONTINUE OVER CENTRAL AND SOUTH ALABAMA...

WEATHER RADAR AT MONTGOMERY SHOWED SCATTERED THUNDERSTORMS...SOME WITH
VERY HEAVY RAIN...OVER CENTRAL AND SOUTH ALABAMA AT 545 PM CDT.
THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE LOCATED IN A 30 MILE
WIDE BAND FROM NEAR MONROEVILLE TO FT DEPOSIT TO JUST NORTH OF EUFAULA
ON THE ALABAMA/GEORGIA STATE LINE.  THE THUNDERSTORMS WERE NEARLY
STATIONARY.

THE MOST INTENSE THUNDERSTORMS WILL BE ACCOMPANIED BY TORRENTIAL RAIN
...STRONG GUSTY WINDS AND SMALL HAIL.  REMEMBER THAT ALL THUNDERSTORMS
PRODUCE DEADLY LIGHTNING.
Special weather statement, Jul 28, 5:45 PM CDT, 1 hour 18 minutes before
ALZ010-011-012-014-017-018-290015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
545 PM CDT WED JUL 28 1993

...STRONG THUNDERSTORMS CONTINUE OVER CENTRAL AND SOUTH ALABAMA...

WEATHER RADAR AT MONTGOMERY SHOWED SCATTERED THUNDERSTORMS...SOME WITH
VERY HEAVY RAIN...OVER CENTRAL AND SOUTH ALABAMA AT 545 PM CDT.
THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE LOCATED IN A 30 MILE
WIDE BAND FROM NEAR MONROEVILLE TO FT DEPOSIT TO JUST NORTH OF EUFAULA
ON THE ALABAMA/GEORGIA STATE LINE.  THE THUNDERSTORMS WERE NEARLY
STATIONARY.

THE MOST INTENSE THUNDERSTORMS WILL BE ACCOMPANIED BY TORRENTIAL RAIN
...STRONG GUSTY WINDS AND SMALL HAIL.  REMEMBER THAT ALL THUNDERSTORMS
PRODUCE DEADLY LIGHTNING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 7:36 PM CDTSevere Thunderstorm WarningBMXCullman54 min
Jul 28, 8:41 PM CDTSevere Thunderstorm WarningBMXChilton49 min
Jul 29, 3:07 PM CDTSevere Thunderstorm WarningBMXChilton53 min
Jul 29, 3:25 PM CDTSevere Thunderstorm WarningBMXBibb50 min
Jul 29, 4:35 PM CDTSevere Thunderstorm WarningBMXMarengo40 min
Jul 29, 5:32 PM CDTSevere Thunderstorm WarningBMXTuscaloosa43 min
Jul 29, 5:42 PM CDTSevere Thunderstorm WarningBMXGreene48 min
Jul 29, 5:55 PM CDTSevere Thunderstorm WarningBMXBibb, Hale35 min
Jul 29, 6:10 PM CDTSevere Thunderstorm WarningBMXHale35 min
Jul 29, 6:12 PM CDTSevere Thunderstorm WarningBMXMarengo48 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1993Every severe thunderstorm warning in 1993

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.