Alert archive / Alabama / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 310, NWS Birmingham, AL

June 12, 20095 counties in Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 12, 2009, 8:14 PM CDT for 5 counties in Alabama. It was in force for 46 min. 14 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: Jun 12, 2009, 8:14 PM CDT (01:14 UTC)
Expired: Jun 12, 2009, 9:00 PM CDT
In force: 46 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Bibb County, AL, Jefferson County, AL, Shelby County, AL, St. Clair County, AL, Tuscaloosa County, AL

The radar

The Birmingham radar (KBMX), 37 km from the middle of the area, began a volume at 01:14 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

Time	Report	Where	Remark
Jun 12, 8:14 PM CDT	TSTM WND DMG	Hueytown, AL	TREES DOWN ON WARRIOR RIVER ROAD AND GARYWOOD ROAD WITH POWER OUTAGES REPORTED THROUGHOUT THE CITY.
Jun 12, 8:24 PM CDT	TSTM WND DMG	Birmingham, AL	WIND GUSTS ESTIMATED BETWEEN 50 AND 70 MPH IN BIRMINGHAM. ESTIMATED 60,000 PEOPLE WITHOUT POWER THROUGHOUT THE CITY.
Jun 12, 8:24 PM CDT	TSTM WND DMG	Helena, AL	SEVERAL TREES WERE BLOWN DOWN IN HELENA NEAR HIGHWAY 52 AND HIGHWAY 13.
Jun 12, 8:24 PM CDT	TSTM WND GST 59	Inverness, AL	ESTIMATED WIND GUSTS BETWEEN 50 AND 60 MPH.
Jun 12, 8:24 PM CDT	TSTM WND GST 60	Birmingham, AL	WIND GUSTS ESTIMATED BETWEEN 50 AND 60 MPH IN BIRMINGHAM.
Jun 12, 8:26 PM CDT	TSTM WND DMG	Pelham, AL	POWER LINES BLOWN DOWN ON HIGHWAY 31 IN PELHAM.
Jun 12, 8:36 PM CDT	TSTM WND DMG	Argo, AL	A TREE WAS BLOWN DOWN ON ONTO A HOME ON BLACKJACK ROAD NEAR ARGO.
Jun 12, 8:36 PM CDT	TSTM WND DMG	Margaret, AL	A TREE WAS BLOWN DOWN ON OLD ACTON ROAD ROAD IN MARGARET.
Jun 12, 8:38 PM CDT	TSTM WND GST 65	Chula Vista, AL	65 TO 70 MPH WIND GUSTS ESTIMATED IN CHULA VISTA ALONG INTERSTATE 20.
Jun 12, 8:46 PM CDT	TSTM WND DMG	Pell City, AL	TREES AND POWERLINES REPORTED DOWN IN PELL CITY.
Jun 12, 8:48 PM CDT	TSTM WND DMG	2 S Westover, AL	TREES COMPLETELY COVERING THE ROADWAY AT HIGHWAY 51 AND SHALLOW CREEK ROAD.
Jun 12, 8:54 PM CDT	TSTM WND DMG	Westover, AL	TREE DOWN ON COUNTY ROAD 51 IN WESTOVER. FD ARRIVING ON SCENE.
Jun 12, 9:00 PM CDT	TSTM WND DMG	5 Nne Columbiana, AL	TREES AND POWERLINES DOWN ACROSS COUNTY ROAD 55 JUST WEST OF WILSONVILLE.
Jun 12, 9:06 PM CDT	TSTM WND DMG	Pell City, AL	TREES AND POWERLINES REPORTED DOWN IN PELL CITY.

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.

Issued	Product	Office	Lasted
Jun 12, 3:01 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.2 hours before the alert went out and 37 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: 251 J/kg
Mixed-layer CIN: -172 J/kg
Mixed-layer LCL: 1650 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 32 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 
WUUS54 KBMX 130114
SVRBMX
ALC007-073-115-117-125-130200-
/O.NEW.KBMX.SV.W.0310.090613T0114Z-090613T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
814 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BIBB COUNTY IN CENTRAL ALABAMA...
  JEFFERSON COUNTY IN CENTRAL ALABAMA...
  THIS INCLUDES THE CITIES OF...VESTAVIA HILLS...TRUSSVILLE...
  MOUNTAIN BROOK...LEEDS...IRONDALE...HUEYTOWN...HOOVER...HOMEWOOD...
  GARDENDALE...FULTONDALE...FAIRFIELD...BIRMINGHAM...BESSEMER...
  SHELBY COUNTY IN CENTRAL ALABAMA...
  THIS INCLUDES THE CITIES OF...PELHAM...MONTEVALLO...HELENA...
  CHELSEA...CALERA...ALABASTER...
  SOUTHERN ST. CLAIR COUNTY IN CENTRAL ALABAMA...
  THIS INCLUDES THE CITIES OF...PELL CITY...ODENVILLE...MOODY...
  EAST CENTRAL TUSCALOOSA COUNTY IN WEST CENTRAL ALABAMA...

* UNTIL 900 PM CDT

* AT 811 PM CDT...THE NATIONAL WEATHER SERVICE DETECTED A LINE OF
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM GARDENDALE TO ABERNANT...OR ALONG A LINE EXTENDING FROM
  GARDENDALE TO 14 MILES SOUTHWEST OF HUEYTOWN...AND MOVING EAST AT
  35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NORTH
  JOHNS...WOODSTOCK JUNCTION...LAKE VIEW...VILLAGE CREEK AVENUE W...
  PINSON...KETONA LAKES...TARRANT...ENSLEY...DANVILLE...MADISON...
  BIRMINGHAM FAIRGOUNDS...BRIGHTON...LEGION FIELD...MIDFIELD...
  ALABAMA ADVENTURE...BON AIR...B.J.C.C....CENTER POINT...LIPSCOMB...
  WEST BLOCTON...TANNEHILL IRONWORKS STATE PARK...BIRMINGHAM
  AIRPORT...KINGSTON...U.A.B. CAMPUS...RAIMUND...CLAY...SAMFORD
  UNIVERSITY...HOMEWOOD...BLUFF PARK...ROSS BRIDGE...ALTON...CAHABA
  HEIGHTS...ARGO...BARBER MOTORSPORTS PARK...RIVERCHASE GALLERIA...
  REGIONS PARK OR HOOVER MET...MARGARET...RIVERCHASE...MEADOWBROOK...
  LAKE PURDY...GREYSTONE...VERIZON MUSIC CENTER AT OAK MOUNTAIN...
  INDIAN SPRINGS VILLAGE...MAYLENE...BRANCHVILLE...BALD ROCK...OAK
  MOUNTAIN STATE PARK...WILTON...BRIERFIELD IRONWORKS PARK...ASHBY...
  HIGHLAND LAKES...MOUNT LAUREL...FOWLER LAKE...UNIVERSITY OF
  MONTEVALLO...AMERICAN VILLAGE...VANDIVER...WESTOVER...VINCENT...
  RIVERSIDE...HARPERSVILLE AND COOSA ISLAND

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS 
WESTERN JEFFERSON COUNTY. THIS IS AN EXTREMELY DANGEROUS SITUATION. 
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM 
WINDOWS

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHERN ALABAMA.

&&

TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.

LAT...LON 3365 8616 3362 8620 3360 8618 3357 8622
      3355 8619 3350 8624 3351 8628 3342 8634
      3340 8638 3337 8635 3333 8637 3307 8677
      3308 8688 3300 8689 3298 8692 3328 8740
      3378 8679
TIME...MOT...LOC 0114Z 286DEG 32KT 3369 8675 3333 8717

$$

27

2 follow-up statements

000 
WWUS54 KBMX 130129
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
829 PM CDT FRI JUN 12 2009

ALC007-073-115-117-125-130200-
/O.CON.KBMX.SV.W.0310.000000T0000Z-090613T0200Z/
BIBB AL-SHELBY AL-TUSCALOOSA AL-JEFFERSON AL-ST. CLAIR AL-
829 PM CDT FRI JUN 12 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHERN ST. CLAIR...JEFFERSON...EAST CENTRAL TUSCALOOSA...SHELBY
AND NORTHEASTERN BIBB COUNTIES...

AT 829 PM CDT...THE PUBLIC REPORTED A LINE OF SEVERE THUNDERSTORMS
CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM TRUSSVILLE TO
MCCALLA...OR ALONG A LINE EXTENDING FROM TRUSSVILLE TO 7 MILES
SOUTHWEST OF BESSEMER...MOVING EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SHANNON...IRONDALE...SAMFORD UNIVERSITY...BLUFF PARK...ROSS BRIDGE...
ALTON...MOUNTAIN BROOK...BESSEMER AIRPORT...VESTAVIA HILLS...
MARVEL...RIVERCHASE GALLERIA...HOOVER...CAHABA HEIGHTS...REGIONS PARK
OR HOOVER MET...ARGO...BARBER MOTORSPORTS PARK...MARGARET...LEEDS...
RIVERCHASE...GOAT ISLAND AT LAKE PURDY...HELENA...LAKE PURDY...JOE
TUCKER PARK...MOODY...VERIZON MUSIC CENTER AT OAK MOUNTAIN...INDIAN
SPRINGS VILLAGE...BRANCHVILLE...MEADOWBROOK...PELHAM...GREYSTONE...
BALD ROCK...ODENVILLE...MAYLENE...BRIERFIELD IRONWORKS PARK...
ASHBY...FOWLER LAKE...OAK MOUNTAIN STATE PARK...WILTON...UNIVERSITY
OF MONTEVALLO...SILURIA...HIGHLAND LAKES...ALABASTER...MOUNT
LAUREL...CAMP WINNATASAKA...MONTEVALLO...AMERICAN VILLAGE...
SAGINAW...CHULA VISTA...VANDIVER...CHELSEA...PLEASANT GROVE...CAMP
BRANCH...STERRETT...CALERA...WESTOVER...VINCENT...ST. CLAIR COUNTY
AIRPORT...RIVERSIDE...PELL CITY...HARPERSVILLE...CROPWELL AND COOSA
ISLAND

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DAMAGING WINDS UP TO 65 MPH WERE REPORTED IN JEFFERSON AND SHELBY 
COUNTY WITH THIS STORM. THIS IS A DANGEROUS STORM...SEEK SAFE 
SHELTER AND STAY AWAY FROM WINDOWS

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHERN ALABAMA.

&&

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3365 8616 3362 8620 3360 8618 3357 8622
      3355 8619 3350 8624 3351 8628 3342 8634
      3340 8638 3337 8635 3333 8637 3307 8677
      3308 8688 3300 8689 3298 8692 3323 8732
      3375 8670
TIME...MOT...LOC 0129Z 286DEG 32KT 3365 8660 3329 8702

$$

27

000 
WWUS54 KBMX 130140
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
840 PM CDT FRI JUN 12 2009

ALC007-073-115-117-125-130200-
/O.CON.KBMX.SV.W.0310.000000T0000Z-090613T0200Z/
BIBB AL-SHELBY AL-TUSCALOOSA AL-JEFFERSON AL-ST. CLAIR AL-
840 PM CDT FRI JUN 12 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHERN ST. CLAIR...SOUTHEASTERN JEFFERSON...EXTREME EAST
CENTRAL TUSCALOOSA...SHELBY AND NORTHEASTERN BIBB COUNTIES...

AT 838 PM CDT...THE PUBLIC REPORTED A LINE OF SEVERE THUNDERSTORMS
CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM MOODY TO BESSEMER
AIRPORT...OR ALONG A LINE EXTENDING FROM MOODY TO HELENA...MOVING
EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAKE
PURDY...JOE TUCKER PARK...VERIZON MUSIC CENTER AT OAK MOUNTAIN...
INDIAN SPRINGS VILLAGE...MAYLENE...BRANCHVILLE...MEADOWBROOK...
PELHAM...GREYSTONE...BALD ROCK...WILTON...BRIERFIELD IRONWORKS
PARK...ASHBY...MOUNT LAUREL...FOWLER LAKE...OAK MOUNTAIN STATE
PARK...UNIVERSITY OF MONTEVALLO...MONTEVALLO...SILURIA...HIGHLAND
LAKES...ALABASTER...CAMP WINNATASAKA...VANDIVER...AMERICAN VILLAGE...
SAGINAW...CHULA VISTA...CHELSEA...PLEASANT GROVE...CAMP BRANCH...
STERRETT...CALERA...WESTOVER...VINCENT...ST. CLAIR COUNTY AIRPORT...
RIVERSIDE...PELL CITY...HARPERSVILLE...CROPWELL AND COOSA ISLAND

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS 
JEFFERSON AND SHELBY COUNTIES. THIS IS AN EXTREMELY DANGEROUS 
SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY 
FROM WINDOWS

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHERN ALABAMA.

&&

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3365 8616 3357 8622 3355 8619 3350 8624
      3351 8628 3342 8634 3340 8638 3337 8635
      3333 8637 3307 8677 3308 8688 3300 8689
      3298 8692 3317 8723 3368 8657
TIME...MOT...LOC 0140Z 286DEG 32KT 3362 8649 3326 8691

$$

27

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 7:03 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Pickens	42 min
Jun 12, 7:14 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Marion, Walker, Winston	46 min
Jun 12, 7:20 PM CDT	Tornado Warning	BMX	Fayette	25 min
Jun 12, 7:23 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Pickens, Tuscaloosa, Walker	52 min
Jun 12, 7:26 PM CDT	Tornado Warning	BMX	Pickens	34 min
Jun 12, 7:27 PM CDT	Flash Flood Warning	BMX	Fayette, Lamar, Pickens	63 min
Jun 12, 7:39 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson, Walker, Winston	51 min
Jun 12, 7:47 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Jefferson, Pickens, Sumter, Tuscaloosa, Walker	43 min
Jun 12, 7:54 PM CDT	Severe Thunderstorm Warning	BMX	Lee, Macon	36 min
Jun 12, 8:23 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Hale, Sumter	52 min
Jun 12, 8:36 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Bibb, Chilton, Clay, Coosa, Jefferson and 4 more	39 min
Jun 12, 8:58 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Chambers, Chilton, Clay, Coosa, Elmore and 2 more	47 min
Jun 13, 4:06 AM CDT	Severe Thunderstorm Warning	BMX	Fayette, Tuscaloosa	24 min
Jun 13, 8:13 AM CDT	Areal Flood Advisory	BMX	Jefferson	2 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2009 Every severe thunderstorm warning 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.