Alert archive / Alabama / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 97, NWS Birmingham, AL

April 11, 1995Calhoun County, Etowah County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 11, 1995, 6:35 PM CDT for Calhoun County, Etowah County, Alabama. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Apr 11, 1995, 6:35 PM CDT (23:35 UTC)
Expired
Apr 11, 1995, 7:15 PM CDT
In force
40 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Calhoun County, AL, Etowah County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.6 hours before the alert went out and 113 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, Birmingham, AL at 12:00Z on 1995-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 129 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 12:00Z on 1995-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 square meters per square second.19395878Sfc1 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
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 
WUUS1 KBHM 112335 RRA
SVRBHM
ALC015-055-120015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
635 PM CDT TUE APR 11 1995
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL ALABAMA
 
   ...CALHOUN COUNTY
 
IN NORTH ALABAMA
 
   ...ETOWAH COUNTY
 
AT 635 PM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE
THUNDERSTORM OVER ST CLAIR COUNTY IN THE ASHVILLE AREA. THE STORM WAS
MOVING NORTHEAST AT 45 MILES AN HOUR. WITH PRESENT SPEED AND DIRECTION
THE STORM WILL AFFECT THE NEELY HENRY LAKE AREA...SOUTHSIDE...RAINBOW
CITY...OHATCHEE...DUKE AND GLENCOE AREAS DURING THE NEXT 30 MINUTES.
 
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, 4 hours 28 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 53 minutes 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, 2 hours 51 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, 2 hours 50 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, 1 hour 45 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, 1 hour 39 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.

IssuedProductOfficeCountiesLasted
Apr 11, 11:38 AM CDTSevere Thunderstorm WarningBMXTalladega52 min
Apr 11, 11:50 AM CDTSevere Thunderstorm WarningBMXSt. Clair40 min
Apr 11, 12:14 PM CDTSevere Thunderstorm WarningBMXClay46 min
Apr 11, 12:27 PM CDTSevere Thunderstorm WarningBMXMadison63 min
Apr 11, 12:43 PM CDTSevere Thunderstorm WarningBMXCalhoun, Etowah47 min
Apr 11, 12:50 PM CDTSevere Thunderstorm WarningBMXRandolph40 min
Apr 11, 12:55 PM CDTSevere Thunderstorm WarningBMXMarshall65 min
Apr 11, 1:02 PM CDTTornado WarningBMXRandolph28 min
Apr 11, 1:30 PM CDTTornado WarningBMXRandolph30 min
Apr 11, 3:59 PM CDTSevere Thunderstorm WarningBMXMarengo, Sumter61 min
Apr 11, 4:44 PM CDTSevere Thunderstorm WarningBMXTuscaloosa31 min
Apr 11, 4:57 PM CDTSevere Thunderstorm WarningBMXJefferson48 min
Apr 11, 5:42 PM CDTSevere Thunderstorm WarningBMXJefferson18 min
Apr 11, 5:54 PM CDTSevere Thunderstorm WarningBMXSt. Clair51 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1995Every 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.