Alert archive / Alabama / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 95, NWS Birmingham, AL

April 11, 1995Jefferson County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 11, 1995, 5:42 PM CDT for Jefferson County, Alabama. It was in force for 18 min.

The area

The counties it named.

The facts

Issued: Apr 11, 1995, 5:42 PM CDT (22:42 UTC)
Expired: Apr 11, 1995, 6:00 PM CDT
In force: 18 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Jefferson County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.7 hours before the alert went out and 43 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: 129 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 813 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 231 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBHM 112244 COR
SVRBHM
ALC073-112300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE BIRMINGHAM AL
542 PM CDT TUE APR 11 1995

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL ALABAMA

   ...EASTERN JEFFERSON COUNTY

AT 542 PM CDT...NATIONAL WEATHER SERVICE RADARS CONTINUED TO SHOW A
SEVERE THUNDERSTORM MOVING ACROSS JEFFERSON COUNTY. THE STORM WAS OVER
THE BIRMINGHAM AREA AND WAS MOVING NORTHEAST AT 45 MILES AN HOUR. WITH
THIS PRESENT SPEED AND DIRECTION THE STORM WILL AFFECT THE TARRANT
CITY...CENTER POINT...AND TRUSSVILLE.
>
THIS WARNING REPLACES THE PREVIOUS SEVERE THUNDESTORM WARNING
ISSUED EARLIER.

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, Apr 11, 2:07 PM CDT, 3 hours 35 minutes before

ALZ036>038-040>050-057-058-060-065>069-112105-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
207 PM CDT TUE APR 11 1995

...ALL WATCHES AND WARNINGS FOR CENTRAL AND SOUTHEAST ALABAMA ARE
NO LONGER IN EFFECT...

AT 2:00 PM CDT NATIONAL WEATHER SERVICE RADAR IN MONTGOMERY
INDICATED A LARGE AREA OF RAINSHOWERS WITH EMBEDDED THUNDERSTORMS
THROUGHOUT CENTRAL AND SOUTHEASTERN ALABAMA.  THE SYSTEM IS MOVING
TO THE NORTHEAST INTO GEORGIA AT 20 MILES PER HOUR.

STRONG GUSTY WIND...DANGEROUS CLOUD TO GROUND LIGHTNING...VERY
HEAVY RAINFALL AND POSSIBLY SOME SMALL HAIL CAN BE EXPECTED WITH
THESE STORMS.

Local storm report, Apr 11, 3:42 PM CDT, 2 hours before

LOCAL STORM REPORT
          NATIONAL WEATHER SERVICE BIRMINGHAM AL
          345 PM CDT TUE APR 11 1995

          11:05 AM CDT  SHELBY COUNTY
               A  MOBILE HOME  WAS COMPLETELY  DEROOFED AND  TWO OTHER
               MOBILE HOMES  WERE DAMAGED IN  EXTREME SOUTHEAST SHELBY
               COUNTY ABOUT  6 MILES SOUTHEAST OF SHELBY.   THERE WERE
               NO  INJURIES.  BASED ON A STORM SURVEY AND REPORTS FROM
               PEOPLE THERE  IT WAS  MOST LIKELY A  STRAIGHT-LINE WIND
               EVENT.

Local storm report, Apr 11, 3:44 PM CDT, 1 hour 58 minutes before

LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
345 PM CDT TUE APR 11 1995

11:05 AM CDT  SHELBY COUNTY
      A  MOBILE HOME  WAS COMPLETELY  DEROOFED AND  TWO OTHER
      MOBILE HOMES  WERE DAMAGED IN  EXTREME SOUTHEAST SHELBY
      COUNTY ABOUT  6 MILES SOUTHEAST OF SHELBY.   THERE WERE
      NO  INJURIES.  BASED ON A STORM SURVEY AND REPORTS FROM
      PEOPLE THERE  IT WAS  MOST LIKELY A  STRAIGHT-LINE WIND
      EVENT.

Local storm report, Apr 11, 3:45 PM CDT, 1 hour 57 minutes before

LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
345 PM CDT TUE APR 11 1995

11:05 AM CDT  SHELBY COUNTY
      A  MOBILE HOME  WAS COMPLETELY  DEROOFED AND  TWO OTHER
      MOBILE HOMES  WERE DAMAGED IN  EXTREME SOUTHEAST SHELBY
      COUNTY ABOUT  6 MILES SOUTHEAST OF SHELBY.   THERE WERE
      NO  INJURIES.  BASED ON A STORM SURVEY AND REPORTS FROM
      PEOPLE THERE  IT WAS  MOST LIKELY A  STRAIGHT-LINE WIND
      EVENT.

Local storm report, Apr 11, 4:50 PM CDT, 52 minutes before

STORM REPORT-DELAYED
NATIONAL WEATHER SERVICE MONTGOMERY AL
450 PM CDT TUE APR 11 1995

TALLAPOOSA COUNTY AL.  AROUND 1240 PM CDT A SEVERE TSTM MOVED ACROSS
STILLWATERS GOLF COURSE DOWNING SEVERAL TREES.  ONE INJURY.  RETIRED
NWS METEOROLOGIST ESTIMATED WINDS OF 60 MPH.  SEVERE TSTM WARNING
IN EFFECT.

WVH

Local storm report, Apr 11, 4:56 PM CDT, 46 minutes before

STORM REPORT-DELAYED
NATIONAL WEATHER SERVICE MONTGOMERY AL
450 PM CDT TUE APR 11 1995

TALLAPOOSA COUNTY AL.  AROUND 1240 PM CDT A SEVERE TSTM MOVED ACROSS
STILLWATERS GOLF COURSE DOWNING SEVERAL TREES. V ONE INJURY.  RETIRED
NWS METEOROLOGIST ESTIMATED WINDS OF 60 MPH.  SEVERE TSTM WARNING
IN EFFECT.

WVH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 11:38 AM CDT	Severe Thunderstorm Warning	BMX	Talladega	52 min
Apr 11, 11:50 AM CDT	Severe Thunderstorm Warning	BMX	St. Clair	40 min
Apr 11, 12:14 PM CDT	Severe Thunderstorm Warning	BMX	Clay	46 min
Apr 11, 12:27 PM CDT	Severe Thunderstorm Warning	BMX	Madison	63 min
Apr 11, 12:43 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Etowah	47 min
Apr 11, 12:50 PM CDT	Severe Thunderstorm Warning	BMX	Randolph	40 min
Apr 11, 12:55 PM CDT	Severe Thunderstorm Warning	BMX	Marshall	65 min
Apr 11, 1:02 PM CDT	Tornado Warning	BMX	Randolph	28 min
Apr 11, 1:30 PM CDT	Tornado Warning	BMX	Randolph	30 min
Apr 11, 3:59 PM CDT	Severe Thunderstorm Warning	BMX	Marengo, Sumter	61 min
Apr 11, 4:44 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	31 min
Apr 11, 4:57 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson	48 min
Apr 11, 5:54 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	51 min
Apr 11, 6:35 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Etowah	40 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1995 Every severe thunderstorm warning in 1995

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.