Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 77, NWS Birmingham, AL

June 6, 1992Lamar County, Marion County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 6, 1992, 10:47 PM CDT for Lamar County, Marion County, Alabama. It was in force for 28 min.

The area

The counties it named.

The facts

Issued: Jun 6, 1992, 10:47 PM CDT (03:47 UTC)
Expired: Jun 6, 1992, 11:15 PM CDT
In force: 28 min
Issued by: NWS Birmingham, AL
Area: Whole counties

Counties Lamar County, AL, Marion County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 00:00Z, 3.8 hours before the alert went out and 139 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 624 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 1519 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 66 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 070346
SVRBHM
ALC075-093-070415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1047 PM CDT SAT JUN 6 1992
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH ALABAMA
 
   ...LAMAR COUNTY...MARION COUNTY
 
AT 10:45 PM WEATHER SERVICE RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS
MOVING THROUGH MARION AND LAMAR COUNTIES. THE THUNDERSTORMS WERE MOVING
TO THE EAST AT 30 MPH. THIS LINE HAS DOWNED TREES AND DAMMAGED BUILDINGS
IN NORTHEASTERN MISSISSIPPI WITHIN THE PAST 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 6, 10:11 PM CDT, 36 minutes before

ALZ004>009-070400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1010 PM CDT SAT JUN 6 1992

AT 1010 PM WEATHER RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS
APPROACHING WEST CENTRAL ALABAMA.  THE LINE EXTENDED FROM NEAR WRIGHT
IN NORTHWEST ALABAMA SOUTHWARD TO SULLIGENT IN LAMAR COUNTY.  THUNDER
STORMS WITHIN THE LINE WERE PRODUCING VERY HEAVY RAIN...FREQUENT
LIGHTNING AND GUSTY WINDS.  AS THE LINE PASSED THROUGH NORTHEAST
MISSISSIPPI...STRONG WINDS DOWNED TREES WEST OF COLUMBUS.

MOVEMENT TO THE EAST AT 25 MILES AN HOUR WILL BRING SHOWERS AND THUNDER
STORMS INTO WESTERN SECTIONS OF MARION AND LAMAR COUNTIES WITHIN THE
NEXT 15 MINUTES.  THE STRONGEST STORMS WILL AFFECT RESIDENTS IN HAMILTON
...SULLIGENT...VERNON AND MILLPORT.  THE LINE WILL CONTINUE TO PRESS
EASTWARD ACROSS WEST CENTRAL ALABAMA DURING THE NEXT COUPLE HOURS.  STAY
TUNED TO NOAA WEATHER RADIO FOR UPDATES CONCERNING THIS LINE OF
THUNDERSTORMS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 11:06 PM CDT	Severe Thunderstorm Warning	BMX	Franklin	55 min
Jun 6, 11:29 PM CDT	Severe Thunderstorm Warning	BMX	Lawrence	61 min
Jun 7, 12:08 AM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	39 min
Jun 7, 12:20 AM CDT	Severe Thunderstorm Warning	BMX	Cullman	40 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1992 Every 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.