Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 126, NWS Birmingham, AL

April 27, 20116 counties in Alabama

NWS Birmingham, AL issued this tornado warning at Apr 27, 2011, 7:31 PM CDT for 6 counties in Alabama. It was in force for 59 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 27, 2011, 7:31 PM CDT (00:31 UTC)
Expired: Apr 27, 2011, 8:30 PM CDT
In force: 59 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Calhoun County, AL, Cleburne County, AL, Etowah County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL

The radar

The Birmingham radar (KBMX), 82 km from the middle of the area, began a volume at 00:31 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
Apr 27, 7:55 PM CDT	TORNADO 0	4 Ne Pell City, AL	THE TORNADO TOUCHED DOWN ABOUT 100 YARDS SOUTH OF THE INTERSTATE, MOVED ACROSS THE INTERSTATE ANDTHEN LIFTED ALONG U.S. HIGHWAY 78. ALONG THE DAMAGE PATH, SEVERAL TREES WERE BLOWN DOWN OR WERE SNAPPED OFF AT THE TOP. WIND SPEEDS WITH THIS BRIEF WEAK TORNADO WE
Apr 27, 8:01 PM CDT	TORNADO	Nw Jacksonville, AL	MT GILEAD COMMUNITY IS COMPLETELY IMPASSABLE EVEN ON FOOT.
Apr 27, 8:02 PM CDT	FUNNEL CLOUD	Lincoln, AL	IN THE CITY LIMITS OF LINCOLN.
Apr 27, 8:17 PM CDT	TORNADO 1	2 Ese Vincent, AL	AN EF-1 TORNADO TOUCHED DOWN ABOUT 2 MILES ESE OF VINCENT IN EASTERN SHELBY COUNTY AND MOVED NORTHEAST INTO WESTERN TALLADEGA COUNTY SNAPPING OFF AND/OR UPROOTING DOZENS OF HARD AND SOFT WOOD TREES ALONG THE PATH. THE ONLY HOME DAMAGE FOUND ALONG THE PATH WAS

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
Apr 27, 1:42 PM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.5 hours before the alert went out and 82 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: 3065 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 711 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 448 m²/s²
0-3 km storm-relative helicity: 480 m²/s²
Significant tornado parameter: 9.6
Supercell composite: 33.6

Open this sounding in Storm Lab

The text

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

526 
WFUS54 KBMX 280031
TORBMX
ALC015-029-055-115-117-121-280130-
/O.NEW.KBMX.TO.W.0126.110428T0031Z-110428T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
731 PM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  CALHOUN COUNTY IN EAST CENTRAL ALABAMA...
  NORTHERN CLEBURNE COUNTY IN EAST CENTRAL ALABAMA...
  SOUTHEASTERN ETOWAH COUNTY IN NORTHEAST ALABAMA...
  SOUTHERN ST. CLAIR COUNTY IN CENTRAL ALABAMA...
  NORTHEASTERN SHELBY COUNTY IN CENTRAL ALABAMA...
  NORTHERN TALLADEGA COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 830 PM CDT

* AT 727 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR WESTOVER...OR 8 MILES NORTHEAST OF CHELSEA...AND
  MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOODY...PELL CITY...TALLADEGA...OXFORD...WEST END-COBB TOWN...COBB
  TOWN...MARKTON...ANNISTON...SAKS AND FORT MCCLELLAN.

THIS INCLUDES...
INTERSTATE 20 EXIT NUMBERS 144 THROUGH 191...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

&&

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

LAT...LON 3397 8574 3395 8561 3373 8541 3324 8649
      3347 8663 3353 8655 3353 8652 3355 8652
      3356 8654 3414 8580
TIME...MOT...LOC 0031Z 233DEG 49KT 3344 8649

$$

17

3 follow-up statements

855 
WWUS54 KBMX 280049
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
749 PM CDT WED APR 27 2011

ALC117-280058-
/O.CAN.KBMX.TO.W.0126.000000T0000Z-110428T0130Z/
SHELBY AL-
749 PM CDT WED APR 27 2011

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

THE STORM WHICH PROMPTED THAT WARNING HAS MOVED OUT OF THE WARNED 
AREA.  ADDITIONAL TORNADO WARNINGS ARE IN EFFECT FOR SHELBY COUNTY.

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

LAT...LON 3414 8580 3397 8574 3395 8561 3373 8541
      3336 8622 3357 8644
TIME...MOT...LOC 0048Z 233DEG 49KT 3356 8624

$$

ALC015-029-055-115-121-280130-
/O.CON.KBMX.TO.W.0126.000000T0000Z-110428T0130Z/
TALLADEGA AL-CLEBURNE AL-CALHOUN AL-ST. CLAIR AL-ETOWAH AL-
749 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN ETOWAH...
SOUTHEASTERN ST. CLAIR...CALHOUN...NORTHERN CLEBURNE AND NORTHERN
TALLADEGA COUNTIES UNTIL 830 PM CDT...

AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR PELL CITY...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  TALLADEGA...OXFORD...WEST END-COBB TOWN...COBB TOWN...MARKTON...
  ANNISTON...SAKS...FORT MCCLELLAN...JACKSONVILLE AND HOKES BLUFF.

THIS INCLUDES...
INTERSTATE 20 EXIT NUMBERS 152 THROUGH 191...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

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

LAT...LON 3414 8580 3397 8574 3395 8561 3373 8541
      3336 8622 3357 8644
TIME...MOT...LOC 0048Z 233DEG 49KT 3356 8624

$$

03

382 
WWUS54 KBMX 280103
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
803 PM CDT WED APR 27 2011

ALC015-029-055-115-121-280130-
/O.CON.KBMX.TO.W.0126.000000T0000Z-110428T0130Z/
TALLADEGA AL-CLEBURNE AL-CALHOUN AL-ST. CLAIR AL-ETOWAH AL-
803 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN ETOWAH...EAST
CENTRAL ST. CLAIR...CALHOUN...CENTRAL CLEBURNE AND NORTHEASTERN
TALLADEGA COUNTIES UNTIL 830 PM CDT...

AT 759 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR LINCOLN...OR 11 MILES EAST OF PELL CITY...
MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  WEST END-COBB TOWN...COBB TOWN...OXFORD...MARKTON...SAKS...
  ANNISTON...FORT MCCLELLAN...JACKSONVILLE...HOKES BLUFF AND
  PIEDMONT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

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

LAT...LON 3414 8580 3397 8574 3395 8561 3373 8542
      3349 8609 3366 8622
TIME...MOT...LOC 0103Z 240DEG 46KT 3365 8604

$$

03

042 
WWUS54 KBMX 280111
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
811 PM CDT WED APR 27 2011

ALC115-121-280120-
/O.CAN.KBMX.TO.W.0126.000000T0000Z-110428T0130Z/
TALLADEGA AL-ST. CLAIR AL-
811 PM CDT WED APR 27 2011

...THE TORNADO WARNING FOR EAST CENTRAL ST. CLAIR AND NORTHEASTERN
TALLADEGA COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

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

LAT...LON 3414 8580 3397 8574 3395 8561 3373 8542
      3358 8588 3359 8595 3374 8608 3377 8604
      3379 8605
TIME...MOT...LOC 0110Z 239DEG 53KT 3371 8591

$$

ALC015-029-055-280130-
/O.CON.KBMX.TO.W.0126.000000T0000Z-110428T0130Z/
CLEBURNE AL-CALHOUN AL-ETOWAH AL-
811 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN ETOWAH...
CALHOUN AND CENTRAL CLEBURNE COUNTIES UNTIL 830 PM CDT...

AT 808 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LIKELY PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES WEST OF SAKS...MOVING NORTHEAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  SAKS...ANNISTON...FORT MCCLELLAN...JACKSONVILLE...HOKES BLUFF...
  PIEDMONT...OXFORD LAKE...BLUE MOUNTAIN...WEAVER AND EDWARDSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

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

LAT...LON 3414 8580 3397 8574 3395 8561 3373 8542
      3358 8588 3359 8595 3374 8608 3377 8604
      3379 8605
TIME...MOT...LOC 0110Z 239DEG 53KT 3371 8591

$$

03

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 7:07 PM CDT	Tornado Warning Emergency	BMX	Bibb, Chilton, Shelby	53 min
Apr 27, 7:17 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Marion, Walker, Winston	43 min
Apr 27, 7:17 PM CDT	Tornado Warning Emergency	BMX	Calhoun, Cherokee, Etowah	43 min
Apr 27, 7:28 PM CDT	Tornado Warning	BMX	Hale, Marengo, Sumter	62 min
Apr 27, 7:33 PM CDT	Tornado Warning	BMX	Autauga, Coosa, Elmore, Tallapoosa	57 min
Apr 27, 7:54 PM CDT	Tornado Warning	BMX	St. Clair, Shelby, Talladega	51 min
Apr 27, 8:02 PM CDT	Tornado Warning	BMX	Clay, Cleburne, Coosa, Randolph, Tallapoosa	58 min
Apr 27, 8:03 PM CDT	Tornado Warning	BMX	Blount	15 min
Apr 27, 8:11 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Sumter	64 min
Apr 27, 8:17 PM CDT	Tornado Warning	BMX	Dallas, Hale, Marengo, Perry	58 min
Apr 27, 8:18 PM CDT	Tornado Warning	BMX	Calhoun, Cherokee, Cleburne	42 min
Apr 27, 8:20 PM CDT	Tornado Warning Emergency	BMX	Chambers, Elmore, Lee, Tallapoosa	55 min
Apr 27, 8:21 PM CDT	Tornado Warning	BMX	Calhoun, St. Clair, Talladega	21 min
Apr 27, 9:00 PM CDT	Tornado Warning Emergency	BMX	Chambers	60 min
Apr 27, 9:03 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	42 min
Apr 27, 9:03 PM CDT	Tornado Warning	BMX	Autauga, Chilton, Dallas, Perry	57 min
Apr 27, 9:36 PM CDT	Severe Thunderstorm Warning	BMX	Dallas, Hale, Marengo, Perry	54 min
Apr 27, 9:37 PM CDT	Tornado Warning	BMX	Chambers, Lee, Tallapoosa	38 min
Apr 27, 9:46 PM CDT	Tornado Warning	BMX	Chilton, Coosa, Tallapoosa	37 min
Apr 27, 9:51 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Etowah	39 min
Apr 27, 9:55 PM CDT	Areal Flood Advisory	BMX	Dallas, Marengo, Perry	3 hr
Apr 27, 10:18 PM CDT	Severe Thunderstorm Warning	BMX	Lee	27 min
Apr 27, 10:31 PM CDT	Tornado Warning	BMX	Lee	12 min
Apr 27, 10:39 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Clay, Coosa, Elmore, Randolph, Tallapoosa	49 min
Apr 27, 11:15 PM CDT	Severe Thunderstorm Warning	BMX	Dallas, Lowndes	45 min
Apr 27, 11:31 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Elmore, Lowndes, Montgomery	44 min
Apr 28, 12:01 AM CDT	Severe Thunderstorm Warning	BMX	Autauga, Bullock, Elmore, Lee, Lowndes, Macon and 3 more	49 min

Nearby

Tornado Warnings in Alabama, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.