Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 115, NWS Birmingham, AL

April 27, 20115 counties in Alabama

NWS Birmingham, AL issued this tornado warning at Apr 27, 2011, 5:38 PM CDT for 5 counties in Alabama. It was in force for 67 min. 1 report 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, 5:38 PM CDT (22:38 UTC)
Expired: Apr 27, 2011, 6:45 PM CDT
In force: 67 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Emergency: Tornado emergency

Counties Bibb County, AL, Greene County, AL, Hale County, AL, Perry County, AL, Tuscaloosa County, AL

The radar

The Birmingham radar (KBMX), 95 km from the middle of the area, began a volume at 22:38 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, 6:50 PM CDT	TORNADO 1	2 Wsw Wateroak, AL	AN EF-1 TORNADO TOUCHED DOWN 2 MILES SOUTHWEST OF WATEROAK IN HALE COUNTY AND PROCEEDED NORTHEAST INTO THE TALLADEGA NATIONAL FOREST ENDING IN SOUTHWEST BIBB COUNTY 2 MILES SOUTHWEST OF MERTZ. 1 MOBILE HOME AND 1 BUSINESS WERE DAMAGED OR DESTROYED ALONG WITH N

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 12:00Z, 10.6 hours before the alert went out and 95 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 587 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: -359 m²/s²
0-3 km storm-relative helicity: -197 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

486 
WFUS54 KBMX 272238
TORBMX
ALC007-063-065-105-125-272345-
/O.NEW.KBMX.TO.W.0115.110427T2238Z-110427T2345Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  BIBB COUNTY IN CENTRAL ALABAMA...
  SOUTHERN GREENE COUNTY IN WEST CENTRAL ALABAMA...
  HALE COUNTY IN WEST CENTRAL ALABAMA...
  NORTHERN PERRY COUNTY IN CENTRAL ALABAMA...
  SOUTHEASTERN TUSCALOOSA COUNTY IN WEST CENTRAL ALABAMA...

* UNTIL 645 PM CDT

* AT 538 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR THORNHILL...OR 13 MILES SOUTH OF EUTAW...AND
  MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EUTAW...GREENSBORO...BRENT...CENTREVILLE...WALDEN QUARTERS...DUFFYS
  BEND...SAWYERVILLE...WEDGEWORTH...GREENSBORO MUNICIPAL AIRPORT AND
  EVANSVILLE.

THIS INCLUDES...
INTERSTATE 20 EXIT NUMBER 32...

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 3278 8808 3325 8709 3291 8688 3285 8689
      3283 8701 3282 8701 3259 8785 3258 8788
      3259 8789 3260 8784 3262 8785 3263 8793
      3260 8803 3269 8804 3269 8805
TIME...MOT...LOC 2238Z 240DEG 44KT 3270 8791

$$

17

4 follow-up statements

222 
WWUS54 KBMX 272246
SVSBMX

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

ALC007-063-065-105-125-272345-
/O.CON.KBMX.TO.W.0115.000000T0000Z-110427T2345Z/
PERRY AL-HALE AL-GREENE AL-BIBB AL-TUSCALOOSA AL-
546 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TUSCALOOSA...
BIBB...SOUTHEASTERN GREENE...HALE AND NORTHERN PERRY COUNTIES UNTIL
645 PM CDT...

...TORNADO EMERGENCY CONTINUES FOR SAWYERVILLE...NORTH GREENSBORO.. 
AND HARPER HILL...

AT 542 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO ON THE GROUND.  THIS TORNADO WAS LOCATED NEAR 
WALDEN QUARTERS...OR 9 MILES SOUTH OF EUTAW...MOVING NORTHEAST AT 45 
MPH.

LOCATIONS IMPACTED INCLUDE...
  GREENSBORO...BRENT...CENTREVILLE...DUFFYS BEND...SAWYERVILLE...
  WEDGEWORTH...GREENSBORO MUNICIPAL AIRPORT...EVANSVILLE...AKRON AND
  MERTZ.

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

LAT...LON 3275 8801 3325 8709 3291 8688 3285 8689
      3283 8701 3282 8701 3258 8788 3259 8789
      3260 8784 3262 8785 3263 8793
TIME...MOT...LOC 2247Z 242DEG 39KT 3274 8783

$$

17

763 
WWUS54 KBMX 272255
SVSBMX

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

ALC063-272305-
/O.CAN.KBMX.TO.W.0115.000000T0000Z-110427T2345Z/
GREENE AL-
555 PM CDT WED APR 27 2011

...THE TORNADO WARNING FOR SOUTHEASTERN GREENE COUNTY 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 3285 8783 3325 8709 3292 8688 3285 8689
      3283 8701 3282 8701 3262 8773 3265 8775
      3266 8774 3266 8775 3274 8781
TIME...MOT...LOC 2255Z 242DEG 39KT 3277 8773

$$

ALC007-065-105-125-272345-
/O.CON.KBMX.TO.W.0115.000000T0000Z-110427T2345Z/
PERRY AL-HALE AL-BIBB AL-TUSCALOOSA AL-
555 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TUSCALOOSA...
BIBB...HALE AND NORTHERN PERRY COUNTIES UNTIL 645 PM CDT...

...TORNADO EMERGENCY CONTINUES FOR SAWYERVILLE...NORTH GREENSBORO... 
HARPER HILL...

AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO.  THIS TORNADO WAS LOCATED NEAR SAWYERVILLE...OR 9
MILES SOUTHEAST OF EUTAW...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  GREENSBORO...BRENT...CENTREVILLE...EVANSVILLE...AKRON...MERTZ...LOW
  GAP...HARRISBURG...EOLINE AND WEST CENTREVILLE.

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

LAT...LON 3285 8783 3325 8709 3292 8688 3285 8689
      3283 8701 3282 8701 3262 8773 3265 8775
      3266 8774 3266 8775 3274 8781
TIME...MOT...LOC 2255Z 242DEG 39KT 3277 8773

$$

17

332 
WWUS54 KBMX 272307 RRA
SVSBMX

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

ALC007-065-105-125-272345-
/O.CON.KBMX.TO.W.0115.000000T0000Z-110427T2345Z/
PERRY AL-HALE AL-BIBB AL-TUSCALOOSA AL-
607 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TUSCALOOSA...
BIBB...NORTHERN HALE AND NORTHERN PERRY COUNTIES UNTIL 645 PM CDT...

...TORNADO EMERGENCY CONTINUES FOR HARPER HILL...PHIPPS...AND 
WATEROAK...

AT 604 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO.  THIS TORNADO WAS LOCATED 8 MILES SOUTHEAST OF
AKRON...OR 9 MILES NORTH OF GREENSBORO...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  BRENT...CENTREVILLE...MERTZ...LOW GAP...HARRISBURG...EOLINE...WEST
  CENTREVILLE...VANCE...TALLADEGA NATIONAL FOREST AND WEST BLOCTON.

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

LAT...LON 3325 8709 3292 8688 3285 8689 3283 8701
      3282 8701 3267 8758 3273 8768 3282 8772
      3290 8773
TIME...MOT...LOC 2307Z 242DEG 43KT 3285 8758

$$

17

759 
WWUS54 KBMX 272330
SVSBMX

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

ALC007-065-105-125-272345-
/O.CON.KBMX.TO.W.0115.000000T0000Z-110427T2345Z/
PERRY AL-HALE AL-BIBB AL-TUSCALOOSA AL-
630 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TUSCALOOSA...
BIBB...NORTHEASTERN HALE AND NORTHEASTERN PERRY COUNTIES UNTIL 645 PM
CDT...

...TORNADO EMERGENCY CONTINUES FOR EOLINE...NORTH CENTREVILLE...AND 
SIX AND SIX MILE...

AT 627 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO.  THIS TORNADO WAS LOCATED NEAR LOW GAP...OR 9
MILES WEST OF BRENT...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  BRENT...CENTREVILLE...HARRISBURG...EOLINE...WEST CENTREVILLE...
  TALLADEGA NATIONAL FOREST...WEST BLOCTON...LAWLEY...PEARSON AND
  HARMON.

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

LAT...LON 3295 8748 3325 8709 3292 8688 3285 8689
      3283 8701 3282 8701 3278 8735 3286 8746
TIME...MOT...LOC 2329Z 242DEG 43KT 3296 8730

$$

17

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 3:37 AM CDT	Tornado Warning	BMX	Lamar, Pickens	38 min
Apr 27, 3:45 AM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	45 min
Apr 27, 3:59 AM CDT	Severe Thunderstorm Warning	BMX	Greene, Lamar, Pickens, Sumter	46 min
Apr 27, 4:13 AM CDT	Tornado Warning	BMX	Pickens	32 min
Apr 27, 4:14 AM CDT	Tornado Warning	BMX	Greene, Pickens, Sumter	31 min
Apr 27, 4:19 AM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	41 min
Apr 27, 4:26 AM CDT	Tornado Warning	BMX	Marion	34 min
Apr 27, 4:28 AM CDT	Severe Thunderstorm Warning	BMX	Greene, Marengo, Sumter	47 min
Apr 27, 4:33 AM CDT	Tornado Warning	BMX	Fayette, Pickens, Tuscaloosa	27 min
Apr 27, 4:40 AM CDT	Severe Thunderstorm Warning	BMX	Fayette, Greene, Hale, Lamar, Pickens, Tuscaloosa	50 min
Apr 27, 4:44 AM CDT	Tornado Warning	BMX	Pickens, Tuscaloosa	31 min
Apr 27, 5:07 AM CDT	Tornado Warning	BMX	Fayette, Walker	38 min
Apr 27, 5:11 AM CDT	Severe Thunderstorm Warning	BMX	Bibb, Blount, Fayette, Hale, Jefferson, Shelby and 2 more	49 min
Apr 27, 5:14 AM CDT	Tornado Warning	BMX	Jefferson, Tuscaloosa, Walker	31 min
Apr 27, 5:29 AM CDT	Tornado Warning	BMX	Bibb, Jefferson, Shelby, Tuscaloosa	31 min
Apr 27, 5:44 AM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Dallas, Perry, Shelby	46 min
Apr 27, 5:52 AM CDT	Severe Thunderstorm Warning	BMX	Blount, Chilton, Etowah, Jefferson, St. Clair, Shelby and 1 more	53 min
Apr 27, 6:02 AM CDT	Special Weather Statement	BMX	Autauga, Chilton, Dallas	43 min
Apr 27, 6:21 AM CDT	Severe Thunderstorm Warning	BMX	Blount, Calhoun, Cherokee, Clay, Cleburne, Coosa and 3 more	39 min
Apr 27, 6:49 AM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Clay, Cleburne, Etowah, Randolph and 1 more	56 min
Apr 27, 8:05 AM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	25 min
Apr 27, 8:20 AM CDT	Severe Thunderstorm Warning	BMX	Marion	25 min
Apr 27, 10:04 AM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	41 min
Apr 27, 10:42 AM CDT	Special Weather Statement	BMX	Lamar, Marion, Winston	48 min
Apr 27, 10:51 AM CDT	Areal Flood Advisory	BMX	Marion	54 min
Apr 27, 12:08 PM CDT	Areal Flood Advisory	BMX	Marion, Winston	112 min
Apr 27, 2:09 PM CDT	Tornado Warning	BMX	Walker, Winston	31 min
Apr 27, 2:17 PM CDT	Areal Flood Advisory	BMX	Marion, Winston	118 min
Apr 27, 2:51 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	19 hr
Apr 27, 2:51 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	6 hr
Apr 27, 2:59 PM CDT	Tornado Warning	BMX	Lamar, Marion	46 min
Apr 27, 3:15 PM CDT	Tornado Warning Emergency	BMX	Pickens, Tuscaloosa	60 min
Apr 27, 3:21 PM CDT	Tornado Warning	BMX	Lamar, Marion	54 min
Apr 27, 3:38 PM CDT	Tornado Warning Emergency	BMX	Greene, Hale, Pickens, Sumter, Tuscaloosa	67 min
Apr 27, 3:56 PM CDT	Tornado Warning	BMX	Marion	34 min
Apr 27, 3:57 PM CDT	Flash Flood Warning	BMX	Marion, Winston	3 hr
Apr 27, 4:00 PM CDT	Tornado Warning Emergency	BMX	Fayette, Pickens, Tuscaloosa, Walker	60 min
Apr 27, 4:31 PM CDT	Tornado Warning	BMX	Pickens, Tuscaloosa	20 min
Apr 27, 4:44 PM CDT	Tornado Warning	BMX	Fayette, Lamar, Marion	61 min
Apr 27, 4:47 PM CDT	Tornado Warning Emergency	BMX	Greene, Pickens, Tuscaloosa	58 min
Apr 27, 4:50 PM CDT	Tornado Warning	BMX	Greene, Hale, Sumter	55 min
Apr 27, 4:55 PM CDT	Tornado Warning Emergency	BMX	Blount, Jefferson, Walker	65 min
Apr 27, 5:22 PM CDT	Tornado Warning	BMX	Fayette, Lamar	68 min
Apr 27, 5:28 PM CDT	Tornado Warning	BMX	Marion, Winston	30 min
Apr 27, 5:31 PM CDT	Tornado Warning Emergency	BMX	Jefferson, Shelby, Tuscaloosa	59 min
Apr 27, 5:39 PM CDT	Tornado Warning	BMX	Blount	21 min
Apr 27, 6:06 PM CDT	Tornado Warning	BMX	Greene, Marengo, Sumter	16 min
Apr 27, 6:14 PM CDT	Tornado Warning	BMX	Fayette, Marion, Walker, Winston	61 min
Apr 27, 6:17 PM CDT	Areal Flood Advisory	BMX	Jefferson	118 min
Apr 27, 6:18 PM CDT	Tornado Warning	BMX	Blount, Jefferson, St. Clair	57 min
Apr 27, 6:20 PM CDT	Tornado Warning	BMX	Bibb, Chilton, Greene, Hale, Perry	55 min
Apr 27, 6:33 PM CDT	Areal Flood Warning	BMX	Marion, Winston	3 hr
Apr 27, 6:35 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion, Walker, Winston	40 min
Apr 27, 6:39 PM CDT	Flash Flood Warning	BMX	Blount, Jefferson, St. Clair	3 hr
Apr 27, 6:39 PM CDT	Tornado Warning Emergency	BMX	Bibb, Chilton, Shelby, Talladega	66 min
Apr 27, 6:49 PM CDT	Tornado Warning Emergency	BMX	Blount, Calhoun, Etowah, St. Clair	56 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.