Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 10, NWS Mobile, AL

February 11, 1993Montgomery County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 11, 1993, 9:16 PM CST for Montgomery County, Alabama. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Feb 11, 1993, 9:16 PM CST (03:16 UTC)
Expired
Feb 11, 1993, 10:00 PM CST
In force
44 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Montgomery County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 00:00Z, 3.3 hours before the alert went out and 120 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 1993-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 368 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 1993-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 square meters per square second.1939587897117Sfc1 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
368 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
586 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
-17 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 120316
SVRMGM
ALC101-120400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
916 PM CST THU FEB 11 1993
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTH ALABAMA
 
   ...MONTGOMERY COUNTY
 
SKYWARN REPORTS HAVE INDICATED HAIL OF 1 INCH AND GREATER WITH DAMAGE TO
CARS NEAR AUBURN UNIVERSITY AT MONTGOMERY.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
 
&

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 11, 5:45 PM CST, 3 hours 31 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-120030-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
535 PM CST THU FEB 11 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1000 PM CST THIS
THURSDAY EVENING FOR THE FOLLOWING COUNTIES OF NORTHWEST FLORIDA
ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...HOLMES...AND THE ADJOINING
COASTAL WATERS OF ESCAMBIA...SANTA ROSA...OKALOOSA...AND WALTON...

AT 530 PM CST...STRONG THUNDERSTORMS WERE OVER INTERIOR SOUTHWEST
ALABAMA AND SOUTHEAST MISSISSIPPI.
THE STRONGER THUNDERSTORMS WERE IN LAUDERDALE AND CLARKE COUNTIES OF
MISSISSIPPI...AND WERE MOVING INTO SOUTHERN SUMTER AND NORTHERN CHOCTAW
COUNTIES OF ALABAMA.
OTHER THUND"ERSTORMS WERE DEVELOPING BETWEEN BATON ROUGE AND SLIDELL
LOUISIANA.
THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR.

THERE WERE NO THUNDERSTORMS IN THE FLORIDA PANHANDLE AT THIS TIME.
Special weather statement, Feb 11, 6:39 PM CST, 2 hours 37 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-120130-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
635 PM CST THU FEB 11 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1000 PM CST THIS
THURSDAY EVENING FOR THE FOLLOWING COUNTIES OF NORTHWEST FLORIDA
ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...HOLMES...AND THE ADJOINING
COASTAL WATERS OF ESCAMBIA...SANTA ROSA...OKALOOSA...AND WALTON...

AT 630 PM CST...STRONG THUNDERSTORMS WERE SCATTERED OVER INTERIOR
SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.
THE STRONGER THUNDERSTORMS WERE IN NORTH MARENGO COUNTY NORTH OF LINDEN
AND IN SOUTH HALL COUNTIES OF ALABAMA...AND NORTH OF BAY ST LOUIS IN
HANCOCK COUNTY MISSISSIPPI.
THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.

THERE WERE NO THUNDERSTORMS IN THE FLORIDA PANHANDLE AT THIS TIME.
Special weather statement, Feb 11, 7:10 PM CST, 2 hours 6 minutes before
ALZ013-015-016-MSZ014-013-120200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
705 PM CST THU FEB 11 1993

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL COUNTIES IN
SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 10 PM...

...SEVERE THUNDERSTORM WARNING FOR HANCOCK COUNTY MISSISSIPPI HAS
EXPIRED...

AT 700 PM CST RADAR SHOWED A SHORT LINE OF STRONG THUNDERSTORMS IN PERRY
AND STONE COUNTY MISSISSIPPI MOVING INTO GREENE AND GEORGE COUNTIES.
THE STORMS WERE MOVING TO THE EAST AT 35 MPH.

REMEMBER A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS TO DEVELOP IN AND NEAR THE WATCH AREA.

&
Special weather statement, Feb 11, 7:39 PM CST, 1 hour 37 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-120230-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
735 PM CST THU FEB 11 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1000 PM CST THIS
THURSDAY EVENING FOR THE FOLLOWING COUNTIES OF NORTHWEST FLORIDA
ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...HOLMES...AND THE ADJOINING
COASTAL WATERS OF ESCAMBIA...SANTA ROSA...OKALOOSA...AND WALTON...

AT 730 PM CST...STRONG THUNDERSTORMS WERE SCATTERED OVER SOUTHWEST
ALABAMA...SOUTHEAST MISSISSIPPI...AND SOUTHEAST LOUISIANA.
THE STRONGER THUNDERSTORMS WERE WEST OF LUCEDALE IN GEORGE COUNTY AND
IN SOUTH GREEN COUNTY MISSISSIPPI...AND IN DALLAS AND PERRY COUNTIES
OF ALABAMA0.
THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.

THERE WERE NO THUNDERSTORMS IN THE FLORIDA PANHANDLE AT THIS TIME.
Special weather statement, Feb 11, 8:35 PM CST, 41 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-120330-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
835 PM CST THU FEB 11 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1000 PM CST THIS
THURSDAY EVENING FOR THE FOLLOWING COUNTIES OF NORTHWEST FLORIDA...
ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...HOLMES...AND THE ADJOINING
COASTAL WATERS OF ESCAMBIA...SANTA ROSA...OKALOOSA...AND WALTON...

AT 830 PM CST...STRONG THUNDERSTORMS WERE SCATTERED OVER SOUTHWEST
ALABAMA...SOUTHEAST MISSISSIPPI...AND SOUTHEAST LOUISIANA.
THE STRONGER THUNDERSTORMS WERE OVER EASTERN WASHINGTON AND WESTERN
CLARKE COUNTIES OF SOUTHWEST ALABAMA...10 TO 20 MILES WEST THROUGH
NORTHWEST OF MONTGOMERY..AND 20 TO 50 MILES NORTH OF SLIDELL LOUISIANA.
...THE STRONGER THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS. CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS TO BECOME
SEVERE IN AND NEAR THE WATCH AREA.
THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.

THERE WERE NO THUNDERSTORMS IN THE FLORIDA PANHANDLE AT THIS TIME.
Local storm report, Feb 11, 8:36 PM CST, 40 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
835 PM CST THU FEB 11 1993

TIME             EVENT

825 PM CST       DIME TO QUARTER SIZE HAIL REPORTED IN THE CROSSROADS
                 AND POPLARVILLE COMMUNITIES OF PEARL RIVER COUNTY
                 MISSISSIPPI.  REPORT RELAYED BY PEARL RIVER SHERIFFS
                 OFFICE.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 6:34 PM CSTSevere Thunderstorm WarningMOBDallas56 min
Feb 11, 6:34 PM CSTSevere Thunderstorm WarningMOBWilcox44 min
Feb 11, 7:53 PM CSTSevere Thunderstorm WarningMOBMobile, Washington43 min
Feb 11, 9:33 PM CSTSevere Thunderstorm WarningMOBMacon57 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.