Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 37, NWS Mobile, AL

June 11, 1993Geneva County, Houston County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 11, 1993, 5:00 PM CDT for Geneva County, Houston County, Alabama. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 11, 1993, 5:00 PM CDT (22:00 UTC)
Expired
Jun 11, 1993, 6:00 PM CDT
In force
60 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Geneva County, AL, Houston County, AL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.0 hours before the alert went out and 146 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, Tallahassee Rgnl, FL at 12:00Z on 1993-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 319 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, Tallahassee Rgnl, FL at 12:00Z on 1993-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
319 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
1731 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
5 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 112201 RRA
SVRMGM
ALC061-069-112300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
500 PM CDT FRI JUN 11 1993
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTH ALABAMA
 
   ...GENEVA COUNTY
 
IN SOUTHEAST ALABAMA
 
   ...HOUSTON COUNTY
 
WEATHER RADAR AT DANNELLY FIELD MONTGOMERY SHOWED TWO SEVERE
THUNDERSTORM IN GENEVA COUNTY SOUTHEAST OF HARTFORD AND ON THE
FLORIDA/ALABAMA BORDER SOUTH OF MADRID. THE THUNDERSTORMS WERE MOVING
NORTHEAST AT 10 MILES AN HOUR.
 
THE DOTHAN EMA OFFICIAL REPORTED GOLF BALL SIZED HAIL JUST SOUTH OF THE
FLORIDA BORDER.
 
 
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

Special weather statement, Jun 11, 2:58 PM CDT, 2 hours 2 minutes before
ALZ016-MSZ013-112200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
256 PM CDT FRI JUN 11 1993

...WIDLY SCATTERED THUNDERSTORMS DEVELOPING OVER SOUTHEAST MISSISSIPPI
AND SOUTHWEST ALABAMA...

WIDELY SCATTERED THUNDERSTORMS WERE INDICATED BY RADAR AT 255 PM
DEVELOPING ALONG THE SEA BREEZE FRONT NEAR THE ALABAMA AND MISSISSIPPI
COASTS.  THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE DEVELOPING FOR THE
NEXT FEW HOURS.

ALTHOUGH NOT DROUGHT-BREAKERS BY ANY MEANS...WHERE THE STORMS DO OCCUR
THEY WILL PRODUCE DANGEROUS LIGHTNING...STRONG GUSTY WINDS...BRIEF HEAVY
RAINFALL AND POSSIBLY SOME HAIL.

MORE OF THE SAME IS INDICATEDD SATURDAY AFTERNOON.
Special weather statement, Jun 11, 3:36 PM CDT, 1 hour 24 minutes before
FLZ001>004-MSZ012>014-ALZ010-013>018-112130-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
335 PM CDT FRI JUN 11 1993

THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE SCATTERED OVER THE
FLORIDA PANHANDLE...AND SOUTHEAST ALABAMA.
THE THUNDERSTORMS WITH THE HEAVIER RAINS WERE BETWEEN PANAMA CITY
AND BONIFAY...JUST EAST OF MILTON...AND BETWEEN DESTIN AND CRESTVIEW.
THE THUNDERSTORMS WERE DEVELOPING AND INDICATED LITTHLE MOVEMENT.

SOME OF THE STRONGER THUNDERSTORMS MAY PRODUCE SMALL HAIL AND GUSTY
WIND. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE
CONDITIONS.
Special weather statement, Jun 11, 4:39 PM CDT, 21 minutes before
FLZ001>004-MSZ012>014-ALZ010-013>018-112130-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
435 PM CDT FRI JUN 11 1993

THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE SCATTERED OVER THE
FLORIDA PANHANDLE...AND SOUTHEAST ALABAMA.

THE THUNDERSTORMS WITH THE HEAVIER RAINS WERE OVER THE NORTH 1/2 OF
THE FLORIDA PANHANDLE BETWEEN THE PERDIDO AND THE APALACHICOLA RIVERS.
A THUNDERSTORM WITH POSSIBLE HAIL AND STRONG WIND WAS OVER NORTHWEST
WASHINGTON AND NORTHEAST WALTON COUNTIES FLORIDA.

MOVEMENT WAS SLOWLY TO THE NORTHWEST.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 6:29 PM CDTSevere Thunderstorm WarningMOBCrenshaw61 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.