Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 71, NWS Mobile, AL

July 3, 1992Macon County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 3, 1992, 2:41 PM CDT for Macon County, Alabama. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Jul 3, 1992, 2:41 PM CDT (19:41 UTC)
Expired
Jul 3, 1992, 3:45 PM CDT
In force
64 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, 7.7 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 1992-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1992-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -80 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-80 m²/s²
0-3 km storm-relative helicity
-40 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 031942
SVRMGM
ALC087-032045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
241 PM CDT FRI JUL 3 1992
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH ALABAMA
 
   ...MACON COUNTY
 
WEATHER RADAR AT MONTGOMERY SHOWED A SEVERE THUNDERSTORM JUST NORTH
OF TUSKEGEE MOVING TOWARD THE SOUTH AT 25 MPH AT 2 40PM CDT.
 
 
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, Jul 3, 1:08 PM CDT, 1 hour 33 minutes before
ALZ013-015-031915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
108 PM CDT FRI JUL 3 1992

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SEVERAL COUNTIES IN
SOUTHWEST ALABAMA UNTIL 500 PM...

THE COUNTIES OF WASHINGTON...CLARKE...MONROE AND CONECUH IN SOUTHWEST
ALABAMA ARE UNDER A SEVERE THUNDERSTORM WATCH UNTIL 500 PM.

WEATHER SERVICE RADARS AT 100 PM INDICATED NO RAINFALL IN ANY OF THESE
COUNTIES AS YET...HOWEVER THUNDERSTORMS WERE DEVELOPING JUST ACROSS THE
STATE LINE IN MISSISSIPPI AND WILL MOVE TOWARD WASHINGTON AND CLARKE
COUNTIES DURING THE NEXT HOUR.

THE ATMOSPHERE IS EXTREMELY MOIST AND UNSTABLE AND SEVERE THUNDERSTORMS
CAN DEVELOP RAPIDLY IN SUCH AN ENVIRONMENT.  RESIDENTS OF THE COUNTIES
IN THE WATCH AREA SHOULD REMAIN ALERT THIS AFTERNOON AND BE PREPARED TO
MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES OR A WARNING
IS ISSUED.
Special weather statement, Jul 3, 2:22 PM CDT, 19 minutes before
ALZ013-015-016-MSZ013-032030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
221 PM CDT FRI JUL 3 1992

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR WASHINGTON...CLARKE
...MONROE AND CONECUH COUNTIES OF ALABAMA UNTIL 500 PM...

AT 215 PM THE MOBILE RADAR SHOWED THUNDERSTORMS MOVING ALONG THE
NORTHERN BORDER OF CLARKE COUNTY.  THEY WERE MOVING TOWARD THE EAST AT
20 MPH.

IN SOUTHERN MISSISSIPPI...THUNDERSTORMS WERE DEVELOPING IN THE
MISSISSIPPI COASTAL COUNTIES.  A VERY STRONG THUNDERSTORM WAS INDICATED
OVER NORTHWEST HANCOCK COUNTY.  IF THIS THUNDERSTORM CONTINUES TO
DEVELOP...A WARNING MAY BE ISSUED FOR HANCOCK AND/OR HARRISON COUNTIES IMISSISSIPPI.

THE ATMOfSPHERE OVER SOUTHERN MISSISSIPPI AND ALABAMA REMAINS VERY MOIST
AND UNSTABLE THIS AFTERNOON.  RESIDENTS IN THE WATCH AREA ESPECIALLY
SHOULD BE ALERT TO RAPID DEVELOPMENT OF SEVERE THUNDERSTORMS.
Special weather statement, Jul 3, 2:23 PM CDT, 18 minutes before
ALZ013-015-016-MSZ013-032030-

SPECIAL WEATHER STATEMENT...CORRECTION FOR TYPEOVER...
NATIONAL WEATHER SERVICE MOBILE AL
221 PM CDT FRI JUL 3 1992

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR WASHINGTON...CLARKE
...MONROE AND CONECUH COUNTIES OF ALABAMA UNTIL 500 PM...

AT 215 PM THE MOBILE RADAR SHOWED THUNDERSTORMS MOVING ALONG THE
NORTHERN BORDER OF CLARKE COUNTY.  THEY WERE MOVING TOWARD THE EAST AT
20 MPH.

IN SOUTHERN MISSISSIPPI...THUNDERSTORMS WERE DEVELOPING IN THE
MISSISSIPPI COASTAL COUNTIES.  A VERY STRONG THUNDERSTORM WAS INDICATED
OVER NORTHWEST HANCOCK COUNTY.  IF THIS THUNDERSTORM CONTINUES TO
DEVELOP...A WARNING MAY BE ISSUED FOR HANCOCK AND/OR HARRISON
COUNTIhES IN MISSISSIPPI.

THE ATMOSPHERE OVER SOUTHERN MISSISSIPPI AND ALABAMA REMAINS VERY MOIST
AND UNSTABLE THIS AFTERNOON.  RESIDENTS IN THE WATCH AREA ESPECIALLY
SHOULD BE ALERT TO RAPID DEVELOPMENT OF SEVERE THUNDERSTORMS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 1:37 PM CDTSevere Thunderstorm WarningMOBAutauga68 min
Jul 3, 2:24 PM CDTSevere Thunderstorm WarningMOBMontgomery51 min
Jul 3, 3:07 PM CDTSevere Thunderstorm WarningMOBBullock53 min
Jul 3, 3:11 PM CDTSevere Thunderstorm WarningMOBMobile64 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.