Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 63, NWS Mobile, AL

June 26, 1992Macon County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 26, 1992, 2:06 PM CDT for Macon County, Alabama. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1992, 2:06 PM CDT (19:06 UTC)
Expired
Jun 26, 1992, 3:15 PM CDT
In force
69 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, 7.1 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 1992-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1377 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 1992-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
1377 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
880 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
43 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 261909
SVRMGM
ALC087-262015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
206 PM CDT FRI JUN 26 1992
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  315 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH ALABAMA
 
   ...MACON COUNTY
 
AT 206 PM CDT...RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS
OVER SOUTHEASTERN ELMORE AND NORTHWESTERN MACON COUNTIES. MOVEMENT
WAS EAST SOUTHEAST AT 20 MPH.
 
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 26, 1:38 PM CDT, 28 minutes before
ALZ013-015-016-MSZ014-013-261930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
135 PM CDT FRI JUN 26 1992

...STRONG THUNDERSTORMS HAVE DEVELOPED OVER SOUTHEAST MISSISSIPPI AND
SOUTHWEST ALABAMA...

AT 130 PM CDT NATIONAL WEATHER SERVICE RADAR IN MOBILE SHOWED STRONG
THUNDERSTORMS...SOME WITH HEAVY RAINFALL...OCCURRING OVER STONE AND
GEORGE COUNTIES OF SOUTHEAST MISSISSIPPI AND OVER MOBILE COUNTY IN
SOUTHWEST ALABAMA.

THE STRONGEST THUNDERSTORMS NOTED WERE OVER BASIN AND AGRICOLA IN
CENTRAL GEORGE COUNTY AND OVER EXTREME WESTERN MOBILE COUNTY JUST WEST
OF WILMER.  ALL THUNDERSTORMS WERE MOVING TO THE EAST AT 15 MILES AN
HOUR.

STRONG THUNDERSTORMS CAN PRODUCE HEAVY RAINFALL...SUDDEN WIND
GUSTS...DANGEROUS LIGHTNING AND SMALL HAIL.  IF THESE THUNDERSTORMS
THREATEN YOUR AREA...BE PREPARED TO MOVE TO A PLACE OF SAFETY UNTIL THEY
HAVE PASSED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 1:29 PM CDTSevere Thunderstorm WarningMOBElmore61 min
Jun 26, 3:00 PM CDTSevere Thunderstorm WarningMOBMontgomery60 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1992Every severe thunderstorm warning in 1992

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.