Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 41, NWS Mobile, AL

June 14, 1993Covington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 14, 1993, 1:52 PM CDT for Covington County, Alabama. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Jun 14, 1993, 1:52 PM CDT (18:52 UTC)
Expired
Jun 14, 1993, 3:00 PM CDT
In force
68 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Covington County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 6.9 hours before the alert went out and 197 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 12:00Z on 1993-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1496 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 12:00Z on 1993-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 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
1496 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
772 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KMGM 141854 RRA
SVRMGM
ALC039-142000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
152 PM CDT MON JUN 14 1993
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTH ALABAMA
 
   ...NORTHERN COVINGTON COUNTY
 
WEATHER RADAR AT MONTGOMERY SHOWED A SEVERE THUNDERSTORM IN EXTREME
NORTHERN COVINGTON COUNTY ABOUT 15 MILE NORTH OF GANTT. THE THUNDERSTORM
WAS MOVING SOUTHSOUTHWEST AT ABOUT 15 MILES AN HOUR.
 
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

Local storm report, Jun 14, 8:00 AM CDT, 5 hours 52 minutes before
STORM REPORT...DELAYED REPORT...
NATIONAL WEATHER SERVICE MOBILE AL
800 AM CDT MON JUN 14 1993

TIME             EVENT

545 PM CDT       TREES AND POWER LINES DOWN JUST EAST OF BEATRICE
SUNDAY           IN SOUTHEAST STONE COUNTY MISSISSIPPI.  REPORT FROM
JUNE 13TH..      STONE EOC.
Local storm report, Jun 14, 8:09 AM CDT, 5 hours 43 minutes before
STORM REPORT...DELAYED REPORT...
NATIONAL WEATHER SERVICE MOBILE AL
800 AM CDT MON JUN 14 1993

TIME             EVENT

545 PM CDT       TREES AND POWER LINES DOWN JUST EAST OF BEATRICE
SUNDAY           IN SOUTHEAST STONE COUNTY MISSISSIPPI.  REPORT FROM
JUNE 13TH..      STONE EOC.
Special weather statement, Jun 14, 1:11 PM CDT, 41 minutes before
ALZ013-015-016-MSZ014-013-141915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
111 PM CDT MON JUN 14 1993

...A FEW STRONG THUNDERSTORMS AGAIN TODAY FOR SOUTHEAST MISSISSIPPI AND
SOUTHWEST ALALBAMA...

AS THEY DID SUNDAY AFTERNOON...THUNDERSTORMS ARE ONCE AGAIN DEVELOPING
OVER PORTIONS OF SOUTHERN MISSISSIPPI AND ALABAMA EARLY THIS AFTERNOON.
SOME OF THE STORMS ARE EXPECTED TO BE QUITE STRONG WITH GUSTY WINDS...
TORRENTIAL RAINFALL AND POSSIBLY SOME HAIL.

AT 100 PM THE STRONGEST THUNDERSTORMS WERE LOCATED OVER THE EXTREME
EASTERN SECTIONS OF CONECUH COUNTY AND IN SOUTHERN BALDWIN COUNTY
IN ALABAMA.  THEY WERE MOVING TOWARD THE SOUTHWEST AT 5 TO 10 MPH.

MARINE WARNINGS MAY BE REQUIRED IF THE THUNDERSTORMS IN BALDWIN COUNTY
CONTINUE THEIR PRESENT INTENSITY AND MOVE INTO THE COASTAL WATERS.

ADDITIONAL THUNDERSTORMS WILL DEVELOP THIS AFTERNOON.  ALL THUNDERSTORMS
PRODUCE DEADLY LIGHTNING AND RESIDENTS SHOULD RREMAIN INDOORS AS STORMS
MOVE OVER THEIR LOCATION.

SOME HEAVY RAINFALL WILL OCCUR WITH THE STRONGEST STORMS AND WILL CAUSE
SOME FLOODING OF ROADS AND HIGHWAYS.  MOTORISTS SHOULD DRIVE WITH
CAUTION IN THOSE AREAS.
Special weather statement, Jun 14, 1:41 PM CDT, 11 minutes before
FLZ001>004-MSZ012>014-ALZ010-013>018-141935-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
140 PM CDT MON JUN 14 1993

THUNDERSTORMS WERE DEVELOPING RAPIDLY ACROSS THE WEST PART OF THE
FLORIDA PANHANDLE.  THE STRONGEST STORMS WERE FROM PENSACOLA TO MILTON
TO FORT WALTON BEACH.

GUSTY WINDS...SMALL HAIL AND DANGEROUS LIGHTNING STRIKES CAN BE
EXPECTED FROM THESE STORMS AS THEY DRIFT SOUTH.  BECAUSE OF THEIR
SLOW MOVEMENT HEAVY RAINS FROM THE STORMS WILL CAUSE TEMPORARY FLOODING
OF ROADS AND LOW LYING AREAS.

OTHER THUNDERSTORMS WERE OVER SOUTH ALABAMA FROM ALONG THE ALABAMA
RIVER NEAR MILLERS FERRY TO NORTH OF CRESTVIEW.  THE STRONGEST
THUNDERSTORMS IN THIS
 AREA WERE WEST OF ANDALUSIA.

SHOWERS WERE ALSO DEVELOPING JUST WEST OF CITRONELLE.

THE THUNDERSTORMS WERE MOVING SOUTH AT 5 MILES AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 3:49 PM CDTSevere Thunderstorm WarningMOBWilcox56 min
Jun 14, 4:13 PM CDTTornado WarningMOBDallas47 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.