Alert archive / Alabama / Tornado Warnings in 2009

Tornado Warning 85, NWS Birmingham, AL

April 19, 2009Bibb County, Shelby County, Talladega County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 19, 2009, 6:24 PM CDT for Bibb County, Shelby County, Talladega County, Alabama. It was in force for 51 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 19, 2009, 6:24 PM CDT (23:24 UTC)
Expired
Apr 19, 2009, 7:15 PM CDT
In force
51 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Bibb County, AL, Shelby County, AL, Talladega County, AL

The radar

The Birmingham radar (KBMX), 16 km from the middle of the area, began a volume at 23:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 19, 6:53 PM CDTTORNADO 04 Sw Alabaster, ALBASED ON PHOTOS AND EYEWITNESS ACCOUNTS, ANOTHER TORNADO HAS BEEN DOCUMENTED IN ALABASTER. THE TORNADO WAS RATED AN EF-0 WITH THE HIGHEST WINDS BETWEEN 60 AND 65 MPH. A FEW TREES WERE DAMAGED ALONG THE PATH AND SOME MINOR SHINGLE DAMAGE OCCURRED. SEVERAL PEOPL
Apr 19, 6:53 PM CDTTORNADO4 Sw Alabaster, ALBASED ON PHOTOS AND EYEWITNESS ACCOUNTS, ANOTHER TORNADO HAS BEEN DOCUMENTED IN ALABASTER. THE TORNADO WAS RATED AN EF-0 WITH THE HIGHEST WINDS BETWEEN 60 AND 65 MPH. A FEW TREES WERE DAMAGED ALONG THE PATH AND SOME MINOR SHINGLE DAMAGE OCCURRED. SEVERAL PEOPE
Apr 19, 7:02 PM CDTTORNADO 0S Alabaster, ALNUMEROUS TREES WERE SNAPPED OFF AND UPROOTED NEAR PUBLIX GROCERY AND COUNTY ROAD 11.
Apr 19, 7:02 PM CDTTORNADOAlabaster, ALREPORTED ON THE GROUND NEAR THE SHOPPING CENTER AT EXIT NUMBER 238 OFF INTERSTATE 65.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 19, 2:19 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.4 hours before the alert went out and 16 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 2009-04-19Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2009-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
2056 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
136 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 
WFUS54 KBMX 192324
TORBMX
ALC007-117-121-200015-
/O.NEW.KBMX.TO.W.0085.090419T2324Z-090420T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
624 PM CDT SUN APR 19 2009

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL BIBB COUNTY IN CENTRAL ALABAMA...
  CENTRAL SHELBY COUNTY IN CENTRAL ALABAMA...
  THIS INCLUDES THE CITIES OF...WILSONVILLE...COLUMBIANA...
  ALABASTER...
  SOUTHWESTERN TALLADEGA COUNTY IN EAST CENTRAL ALABAMA...
  THIS INCLUDES THE CITIES OF...SYLACAUGA...CHILDERSBURG...

* UNTIL 715 PM CDT

* AT 623 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES
  SOUTHWEST OF MAYLENE...OR 8 MILES NORTHWEST OF MONTEVALLO...MOVING
  EAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  MAYLENE BY 630 PM CDT...
  AMERICAN VILLAGE AND ALABASTER BY 635 PM CDT...
  COLUMBIANA BY 650 PM CDT...
  WILSONVILLE BY 700 PM CDT...
  CHILDERSBURG BY 705 PM CDT...
  CHILDERSBURG BY 710 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
ALABAMA.

&&

LAT...LON 3339 8635 3314 8624 3310 8708 3321 8709
TIME...MOT...LOC 2324Z 261DEG 43KT 3316 8696

$$

12/SIRMON
2 follow-up statements
000 
WWUS54 KBMX 192339
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
639 PM CDT SUN APR 19 2009

ALC007-117-121-200015-
/O.CON.KBMX.TO.W.0085.000000T0000Z-090420T0015Z/
BIBB AL-SHELBY AL-TALLADEGA AL-
639 PM CDT SUN APR 19 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR CENTRAL
TALLADEGA...CENTRAL SHELBY AND NORTHEASTERN BIBB COUNTIES...

AT 639 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR MARVEL...OR 10
MILES NORTHWEST OF MONTEVALLO...MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  MAYLENE BY 655 PM CDT...
  SILURIA AND ALABASTER BY 700 PM CDT...
  SAGINAW AND CAMP BRANCH BY 705 PM CDT...
  7 MILES NORTHWEST OF COLUMBIANA BY 715 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
ALABAMA.

&&

LAT...LON 3314 8703 3321 8704 3339 8635 3314 8624
TIME...MOT...LOC 2339Z 258DEG 25KT 3319 8699

$$

10/ARM
000 
WWUS54 KBMX 192352
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
652 PM CDT SUN APR 19 2009

ALC007-200002-
/O.CAN.KBMX.TO.W.0085.000000T0000Z-090420T0015Z/
BIBB AL-
652 PM CDT SUN APR 19 2009

...THE TORNADO WARNING FOR NORTHEASTERN BIBB COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
ALABAMA.

LAT...LON 3316 8693 3323 8694 3339 8635 3314 8624
TIME...MOT...LOC 2352Z 250DEG 14KT 3321 8690

$$

ALC117-121-200015-
/O.CON.KBMX.TO.W.0085.000000T0000Z-090420T0015Z/
SHELBY AL-TALLADEGA AL-
652 PM CDT SUN APR 19 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR CENTRAL
TALLADEGA AND SOUTHERN SHELBY COUNTIES...

AT 652 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR MAYLENE...OR 6
MILES SOUTHWEST OF ALABASTER...MOVING EAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  MAYLENE BY 700 PM CDT...
  ALABASTER...SAGINAW AND SILURIA BY 710 PM CDT...
  CAMP BRANCH BY 715 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
ALABAMA.

&&

LAT...LON 3316 8693 3323 8694 3339 8635 3314 8624
TIME...MOT...LOC 2352Z 250DEG 14KT 3321 8690

$$

10/ARM

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 4:36 AM CDTLake Wind AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more13 hr
Apr 19, 2:37 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar38 min
Apr 19, 2:41 PM CDTTornado WarningBMXFayette26 min
Apr 19, 3:06 PM CDTSevere Thunderstorm WarningBMXGreene, Pickens, Tuscaloosa39 min
Apr 19, 3:21 PM CDTSevere Thunderstorm WarningBMXGreene, Hale, Pickens, Sumter, Tuscaloosa39 min
Apr 19, 4:10 PM CDTSevere Thunderstorm WarningBMXBibb, Jefferson, Shelby, Tuscaloosa28 min
Apr 19, 4:29 PM CDTSevere Thunderstorm WarningBMXGreene, Hale, Sumter46 min
Apr 19, 4:45 PM CDTSevere Thunderstorm WarningBMXLamar, Marion60 min
Apr 19, 4:52 PM CDTSevere Thunderstorm WarningBMXBibb, Jefferson, Tuscaloosa38 min
Apr 19, 5:04 PM CDTTornado WarningBMXBibb, Jefferson, Shelby, Tuscaloosa24 min
Apr 19, 5:27 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar, Marion, Walker, Winston63 min
Apr 19, 5:39 PM CDTTornado WarningBMXGreene, Hale, Perry51 min
Apr 19, 6:12 PM CDTTornado WarningBMXBibb, Perry63 min
Apr 19, 6:17 PM CDTTornado WarningBMXShelby43 min
Apr 19, 6:34 PM CDTSevere Thunderstorm WarningBMXWinston26 min
Apr 19, 6:42 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar, Marion, Walker, Winston48 min
Apr 19, 6:52 PM CDTTornado WarningBMXBibb, Chilton, Dallas, Perry53 min
Apr 19, 6:56 PM CDTAreal Flood AdvisoryBMXShelby3 hr
Apr 19, 6:57 PM CDTSevere Thunderstorm WarningBMXLowndes, Montgomery48 min

Nearby

Tornado Warnings in Alabama, 2009Every tornado warning in 2009Tornadoes in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.