Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 79, NWS Birmingham, AL

June 6, 1992Lawrence County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 6, 1992, 11:29 PM CDT for Lawrence County, Alabama. It was in force for 61 min.

The area

The counties it named.

The facts

Issued: Jun 6, 1992, 11:29 PM CDT (04:29 UTC)
Expired: Jun 7, 1992, 12:30 AM CDT
In force: 61 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Lawrence County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 00:00Z, 4.5 hours before the alert went out and 181 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 KHSV 070430
SVRHSV
ALC079-070530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1129 PM CDT SAT JUN 6 1992
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 AM CDT
 
 
IN NORTH ALABAMA
 
   ...LAWRENCE COUNTY
 
AT 1125 PM CDT HUNTSVILLE RADAR SHOWED A SEVERE THUNDERSTORM IN
SOUTHEAST FRANKLIN COUNTY MOVING INTO SOUTHWEST LAWRENCE COUNTY. WIND
DAMAGE HAS BEEN REPORTED IN SOUTHERN FRANKLIN COUNTY.
 
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN FRANKLIN
COUNTY UNTIL 1215 AM.  OTHER STRONG THUNDERSTORMS WERE MOVING THROUGH
CENTRAL LAUDERDALE AND EASTERN COLBERT COUNTIES.  THE STORMS WERE
MOVING EAST AT 25 MILES AN HOUR.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFEHRABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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, 1 hour 18 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.

Local storm report, Jun 6, 11:12 PM CDT, 17 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
 1107 PM CDT SAT JUN 6 1992

...AT 1100 PM CDT...POWER LINES DOWNED AT DETROIT IN NORTHWEST LAMAR
   COUNTY.  REPORTED BY LAMAR COUNTY EMA.
...1100-1105 PM CDT NUMEROUS REPORTS OF TREES DOWN IN EXTREME NORTH
   MARION COUNTY AND AROUND HODGES IN SOUTHERN FRANKLIN COUNTY.
   POSSIBLE FUNNEL CLOUD REPORTED BY PUBLIC WEST OF HODGES...MARION CO S.O.
...WARNINGS IN EFFECT...SEVERE THUNDERSTORM WARNING FOR MARION AND
   LAMAR COUNTIES 1047 PM TO 1115 PM CDT.

                                                                      ]

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 10:47 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	28 min
Jun 6, 11:06 PM CDT	Severe Thunderstorm Warning	BMX	Franklin	55 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.