Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 33, NWS Birmingham, AL

March 30, 1992Marengo County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 30, 1992, 5:06 AM CST for Marengo County, Alabama. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Mar 30, 1992, 5:06 AM CST (11:06 UTC)
Expired
Mar 30, 1992, 6:00 AM CST
In force
54 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Marengo County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 00:00Z, 11.1 hours before the alert went out and 91 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 00:00Z on 1992-03-30Temperature 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 00:00Z on 1992-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.1939587897Sfc1 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
1080 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
230 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 KBHM 301106
SVRBHM
ALC091-301200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
506 AM CST MON MAR 30 1992
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH ALABAMA
 
   ...MARENGO COUNTY
 
AT 504 AM CST A SEVERE THUNDERSTORM WAS MOVING INTO WESTERN MARENGO
COUNTY. THIS STORM WAS MOVING EAST AT 40 MPH AND WILL BE AFFECTING THE
DEMOPOLIS AND LINDEN AREAS. IT HAS A HISTORY OF PRODUCING LARGE HAIL.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOsUR 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, Mar 30, 1:33 AM CST, 3 hours 33 minutes before
ALZ004>006-008-009-300830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
133 AM CST MON MAR 30 1992

...STRONG THUNDERSTORMS ABOUT TO ENTER WESTERN ALABAMA...

NATIONAL WEATHER SERVICE RADAR AT 130 AM CST INDICATED A BAND OF SHOWERS
AND INTENSE THUNDERSTORMS THAT STRETCHED FROM THE NORTHWEST CORNER OF
ALABAMA TO CENTRAL MISSISSIPPI. THE STRONGEST THUNDERSTORM IN THIS BAND
WAS JUST WEST OF COLUMBUS MISSISSIPPI...AND WAS MOVING EAST NORTHEAST
AT 35 MPH.

THIS THUNDERSTORM WILL MOVE INTO LAMAR COUNTY BY 2 AM...AND WILL LIKELY
AFFECT THE COMMUNITIES OF VERNON AND MILLPORT...PRODUCING VERY HEAVY
RAINS...STRONG WINDS...DANGEROUS LIGHTNING AND SOME HAIL.

MORE STRONG THUNDERSTORMS WERE ALSO INDICATED FARTHER WEST INTO
MISSISSIPPI...FIRING UP JUST AHEAD OF A COLD FRONT THAT WAS PUSHING
INTO THE REGION. EVERYONE ACROSS ALABAMA...ESPECIALLY THE NORTHERN AND
WESTERN SECTIONS...SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIXONS
DURING THE REST OF THE NIGHTTIME HOURS.
Special weather statement, Mar 30, 2:44 AM CST, 2 hours 22 minutes before
ALZ004>006-008-009-301000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
243 AM CST MON MAR 30 1992

...STRONG THUNDERSTORMS MOVING INTO WESTERN ALABAMA...

NATIONAL WEATHER SERVICE RADAR AT 240 AM CST CONTINUED TO SHOW A BAND
OF STRONG THUNDERSTORMS MOVING INTO WESTERN ALABAMA. THE STRONGEST
STORMS IN THIS BAND STRETCHED FROM THE SOUTHWEST CORNER OF FAYETTE
COUNTY INTO EASTERN MISSISSIPPI NEAR STARKVILLE. LAMAR COUNTY SHERIFF
OFFICE REPORTED PEA SIZED HAIL ALONG WITH VERY HEAVY RAIN AND FREQUENT
LIGHTNING WHEN THUNDERSTORMS PASSED ACROSS THE SOUTHERN PART OF THE
COUNTY AROUND 230 AM.

THE THUNDERSTORMS CONTINUED TO MOVE EAST NORTHEAST AT 35 MPH...AND WILL
LIKELY AFFECT FAYETTE AND REFORM...AND SURROUNDING COMMUNITIES...DURING
THE NEXT HOUR.
Special weather statement, Mar 30, 3:56 AM CST, 1 hour 10 minutes before
ALZ004>009-301130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
355 AM CST MON MAR 30 1992

...STRONG THUNDERSTORMS MOVING INTO WESTERN ALABAMA...

NATIONAL WEATHER SERVICE RADAR AT 352 AM CST CONTINUED TO SHOW A BAND
OF STRONG THUNDERSTORMS MOVING THROUGH WESTERN INTO CENTRAL ALABAMA.
THE STRONGEST STORMS IN THIS BAND STRETCHED FROM THE NORTHWESTERN
TUSCALOOSA COUNTY INTO SOUTHERN WALKER COUNTY. THE STRONGEST THUNDER-
STORM CYELL WAS IN EXTREME NORTHERN TUSCALOOSA COUNTY NEAR SAMANTHA AND
WINDHAM SPRINGS. HAIL WAS ALSO INDICTAED WITH THIS CELL.

THE THUNDERSTORMS WERE MOVING DUE EAST AT 45 MPH...AND WILL BE MOVING
INTO WESTERN JEFFERSON COUNTY DURING THE NEXT HOUR.

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.