Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 43, NWS Mobile, AL

June 27, 1993Macon County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 27, 1993, 6:39 PM CDT for Macon County, Alabama. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jun 27, 1993, 6:39 PM CDT (23:39 UTC)
Expired
Jun 27, 1993, 7:30 PM CDT
In force
51 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Macon County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 11.7 hours before the alert went out and 152 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 1993-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 268 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 1993-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
268 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1119 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
13 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 
TTAA00 KMGM 272340 RRA
SVRMGM
ALC087-280030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
639 PM CDT SUN JUN 27 1993
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTH ALABAMA
 
   ...WESTERN MACON COUNTY
 
AT 637 PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN
WESTERN MACON COUNTY...ABOUT 5 MILES SOUTH OF SHORTER. THIS STORM WILL
PRODUCE LARGE HAIL AND STRONG WINDS. IT WAS MOVING TO THE EAST AT 10
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

Special weather statement, Jun 27, 1:42 PM CDT, 4 hours 57 minutes before
FLZ001>004-MSZ012>014-ALZ010-013>018-271930-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
135 PM CDT SUN JUN 27 1993

THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND GUSTY WINDS...WERE
SCATTERED OVER THE FLORIDA PANHANDLE AND THE IMMEDIATE ADJOINING
COASTAL WATERS.
SOME OF THE STRONGER THUNDERSTORMS WERE WITHIN A 25 MILE RADIUS OF
PENSACOLA...BETWEEN FORT WALTON AND CRESTVIEW...AND BETWEEN FREEPORT
AND PANAMA CITY.
THE THUNDERSTORMS WERE DEVELOPING RAPIDLY AND MOVING EAST AT 15 MILES
HOUR.
SOME OF THE STRONGER THUNDERSTORMS WILL BE CAPABLE OF PRODUCING PERIODS
OF VERY HEAVY RAIN...GUSTY WINDS AROUND 35 MILES AN HOUR...FREQUENT
LIGHTNING...AND POSSIBLE SMALL HAIL.
SOME FLOODING OF STREETS AND OTHER POOR DRAINAGE AREAS MAY BE EXPECTED
WITH SOME OF THE LARGER THUNDERSTORMS.
PERSONS SHOULD BE PREPARED FOR THESE CONDITIONS AND TAKE ANY NECESSARY
PRECAUTIONS WHEN THE THUNDERSTORMS ARE IN YOUR AREA.
IF THRxEATENING CONDITIONS ARE SIGHTED OR APPEAR IMMINENT...TAKE
PROTECTIVE ACTION.
Special weather statement, Jun 27, 2:09 PM CDT, 4 hours 30 minutes before
FLZ001>004-MSZ012>014-ALZ010-013>018-271930-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENSACOLA FL
210 PM CDT SUN JUN 27 1993

...STRONG THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER THE FLORIDA
PANHANDLE...
STRONG THUNDERSTORMS WERE OVER THE FLORIDA PANHANDLE...WITH SOME
STRONGER THUNDERSTORMS AROUND THE PENSACOLA AREA...JUST SOUTH OF
CRESTVIEW...10 MILES SOUTH OF REDBAY IN WALTON COUNTY...WITH OTHER
DEVELOPING THUNDERSTORMS OVER SOUTH ESCAMBIA AND SANTA ROSA COUNTIES
...AND CENTRAL WALTON COUNTY.
THE THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT 15 MILES AN HOUR.

THE THUNDERSTORMS ARE CAPABLE OF PRODUCING PERIODS OF VERY HEAVY RAIN
CREATING SOME FLOODING OF STREETS AND OTHER POOR DRAINAGE AREAS...
GUSTY WINDS AROUND 35MILES AN HOUR...FREQUENT LIGHTNING...AND POSSIBLE
SMALL HAIL.
PERSONS SHOULD BE PREPARED FOR THESE CONDITIONS AND TAKE ANY NECESSARY
PRECAUTIONS. IF THREATENING CONDITIONS ARE SIGHTED OR APPEAR IMMINENT
TAKE PROTECTIVE ACTION.
Special weather statement, Jun 27, 2:43 PM CDT, 3 hours 56 minutes before
FLZ001>004-MSZ012>014-ALZ010-013>018-272030-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
235 PM CDT SUN JUN 27 1993

THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND GUSTY WINDS...WERE
SCATTERED OVER THE FLORIDA PANHANDLE.
SOME OF THE STRONGER THUNDERSTORMS WERE OVER SOUTH ESCAMBIA AND
SANTA ROSA COUNTIES...OVER NORTHEAST SANTA ROSA AND NORTHWEST
OKALOOSA COUNTIES...AND SCATTERED FROM NEAR DEFUNIAK SPRINGS TO
NEAR PANAMA CITY.
THE THUNDERSTORMS CONTINUE TO DEVELOP RAPIDLY AND WERE MOVING
EAST-NORTHEAST AT 15 MILES AN HOUR.
OTHER THUNDERSTORMS WERE SCATTERED OVER SOUTH ALABAMA...SOUTHEAST
MISSISSIPPI...AND SOUTHEAST LOUISIANA.
SOME OF THE STRONGER THUNDERSTORMS WILL BE CAPABLE OF PRODUCING PERIODS
OF VERY HEAVY RAIN...GUSTY WINDS AROUND 35 MILES AN HOUR...FREQUENT
LIGHTNING...AND POSSIBLE SMALL HAIL.
SOME FLOODING OF STREETS AND OTHER POOR DRAINAGE AREAS MAY BE EXPECTED
WITH SOME OF THE LARGER THUNDERhSTORMS.
PERSONS SHOULD BE PREPARED FOR THESE CONDITIONS AND TAKE ANY NECESSARY
PRECAUTIONS FOR THESE CONDITIONS.
IF THREATENING CONDITIONS ARE SIGHTED OR APPEAR IMMINENT...
TAKE THE NECESSARY PROTECTIVE ACTION.
Special weather statement, Jun 27, 5:21 PM CDT, 1 hour 18 minutes before
ALZ016-MSZ013-272315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
519 PM CDT SUN JUN 27 1993

...A FEW STRONG THUNDERSTORMS RUMBLING ACROSS PORTIONS OF SOUTHEAST
MISSISSIPPI AND SOUTHWEST ALABAMA...

AT 510 PM THE MOBILE RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM
EXTREME EASTERN GEORGE COUNTY MISSISSIPPI EXTENDING DUE WEST ACROSS
STONE COUNTY.  ANOTHER LARGE THUNDERSTORM WAS LOCATED JUST EAST OF
BREWTON IN ESCAMBIA COUNTY ALABAMA.  THE STORMS WERE MOVING TOWARD THE
EAST AT 12 MPH.

THE STRONGEST THUNDERSTORM OBSERVED WAS JUST WEST OF LUCEDALE IN GEORGE
COUNTY.  HAIL WILL LIKELY BE OBSERVED IN AND AROUND LUCEDALE WITHIN THE
NEXT 30 MINUTES.  THE THUNDERSTORMS WILL ALSO PRODUCE LOTS OF LIGHTNING
...HEAVY RAINFALL THAT MAY CAUSE FLOODING OF STREETS AND ROADS...AND
GUSTY WINDS.

IF THE LINE OF THUNDERSTORMS ACROSS GEORGE AND STONE COUNTY CONTINUES TO
MOVE EAST...SUBSTANTIAL RAINFALL AMOUNTS ARE POSSIBLE...ESPECIALLY IN
GEORGE COUNTY.  RESIDENTS SHOULD STAY ALERT AND WATCH FOR RISING WATER.

THE HEAVY RAIN WILL MOVE INTO NORTHERN MOBILE COUNTY BEFORE 600 PM.

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.