Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 109, NWS Birmingham, AL

April 27, 2011Greene County, Pickens County, Tuscaloosa County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 27, 2011, 4:47 PM CDT for Greene County, Pickens County, Tuscaloosa County, Alabama. It was in force for 58 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, 4:47 PM CDT (21:47 UTC)
Expired: Apr 27, 2011, 5:45 PM CDT
In force: 58 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Emergency: Tornado emergency

Counties Greene County, AL, Pickens County, AL, Tuscaloosa County, AL

The radar

The Birmingham radar (KBMX), 57 km from the middle of the area, began a volume at 21:47 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, 5:09 PM CDT	TORNADO	Tuscaloosa, AL	TORNADO ON THE GROUND ALONG HWY 82 NEAR THE MCFARLAND MALL.

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, 9.8 hours before the alert went out and 56 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.

728 
WFUS54 KBMX 272147
TORBMX
ALC063-107-125-272245-
/O.NEW.KBMX.TO.W.0109.110427T2147Z-110427T2245Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN GREENE COUNTY IN WEST CENTRAL ALABAMA...
  SOUTHEASTERN PICKENS COUNTY IN WEST CENTRAL ALABAMA...
  TUSCALOOSA COUNTY IN WEST CENTRAL ALABAMA...

* UNTIL 545 PM CDT

* AT 443 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR MANTUA...OR 14 MILES NORTH OF EUTAW...AND MOVING
  NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NORTHPORT...TUSCALOOSA...HOLT...JENA...COKER...LAKE LURLEEN STATE
  PARK...BRYANT DENNY STADIUM...MCFARLAND MALL...UNIVERSITY MALL AND
  DEERLICK CREEK CAMPGROUNDS.

THIS INCLUDES...
INTERSTATE 20 EXIT NUMBERS 52 THROUGH 97...

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 3357 8732 3352 8732 3351 8728 3347 8734
      3340 8722 3337 8723 3331 8715 3331 8712
      3324 8707 3324 8715 3320 8718 3314 8719
      3314 8728 3307 8732 3301 8761 3301 8771
      3299 8772 3293 8789 3310 8801
TIME...MOT...LOC 2147Z 244DEG 50KT 3307 8784

$$

4 follow-up statements

805 
WWUS54 KBMX 272158
SVSBMX

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

ALC063-107-272206-
/O.CAN.KBMX.TO.W.0109.000000T0000Z-110427T2245Z/
GREENE AL-PICKENS AL-
458 PM CDT WED APR 27 2011

...THE TORNADO WARNING FOR SOUTHEASTERN PICKENS AND NORTHEASTERN
GREENE 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 3357 8732 3353 8732 3351 8729 3350 8732
      3347 8734 3340 8722 3337 8723 3331 8715
      3331 8712 3324 8708 3324 8715 3320 8718
      3314 8719 3314 8728 3307 8732 3301 8760
      3303 8782 3315 8784
TIME...MOT...LOC 2156Z 244DEG 50KT 3312 8770

$$

ALC125-272245-
/O.CON.KBMX.TO.W.0109.000000T0000Z-110427T2245Z/
TUSCALOOSA AL-
458 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR TUSCALOOSA COUNTY UNTIL
545 PM CDT...

...TORNADO EMERGENCY FOR RALPH...FOSTERS...INTERSTATE 20 
59...TAYLORVILLE...AND TUSCALOOSA...

AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED NEAR JENA...OR 15 MILES SOUTHWEST OF NORTHPORT...
MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
  BRYANT DENNY STADIUM...MCFARLAND MALL AND NORTHPORT AROUND 505 PM
  CDT.
  UNIVERSITY MALL...HOLT AND TUSCALOOSA AROUND 510 PM CDT.
  DEERLICK CREEK CAMPGROUNDS...LAKE WILDWOOD AND COALING AROUND 515
  PM CDT.
  BROOKWOOD AROUND 520 PM CDT.

OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE LITTLE SANDY...
FLATWOODS...ENGLEWOOD...TUSCALOOSA MUNICIPAL AIRPORT...OLIVER LOCK
AND DAM...PALMORE PARK...UNIVERSITY OF ALABAMA QUAD...STILLMAN
COLLEGE...TAYLORVILLE AND LAKE TUSCALOOSA DAM.

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

LAT...LON 3357 8732 3353 8732 3351 8729 3350 8732
      3347 8734 3340 8722 3337 8723 3331 8715
      3331 8712 3324 8708 3324 8715 3320 8718
      3314 8719 3314 8728 3307 8732 3301 8760
      3303 8782 3315 8784
TIME...MOT...LOC 2156Z 244DEG 50KT 3312 8770

$$

27

249 
WWUS54 KBMX 272208
SVSBMX

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

ALC125-272245-
/O.CON.KBMX.TO.W.0109.000000T0000Z-110427T2245Z/
TUSCALOOSA AL-
508 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR TUSCALOOSA COUNTY UNTIL
545 PM CDT...

...TORNADO EMERGENCY CONTINUES FOR THE CITY OF TUSCALOOSA...

AT 505 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM 
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  
THERE IS VISUAL CONFIRMATION OF THIS TORNADO ON THE GROUND.  THIS 
TORNADO WAS LOCATED NEAR MCFARLAND MALL...OR NEAR TUSCALOOSA... 
MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
  DEERLICK CREEK CAMPGROUNDS...LAKE WILDWOOD AND COALING AROUND 515
  PM CDT.
  BROOKWOOD AND BEVILLE LOCK AND DAM AROUND 520 PM CDT.
  9 MILES NORTHWEST OF VANCE AROUND 525 PM CDT.
  ABERNANT...LAKE VIEW...7 MILES NORTHWEST OF WOODSTOCK JUNCTION AND
  8 MILES SOUTHEAST OF BULL CITY AROUND 530 PM CDT.

OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE HOLT LOCK AND DAM...
NICOL...CAMP HORNE BSA...PETERSON...FLEETWOOD...CEDAR COVE...I 20
REST AREA NEAR TUSCALOOSA...EAST BROOKWOOD AND CAFFEE JUNCTION.

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

LAT...LON 3357 8732 3352 8731 3351 8729 3347 8734
      3340 8722 3337 8723 3331 8715 3331 8712
      3324 8708 3324 8715 3314 8719 3314 8728
      3309 8734 3303 8758 3307 8776 3321 8776
TIME...MOT...LOC 2207Z 244DEG 50KT 3318 8753

$$

27

320 
WWUS54 KBMX 272217
SVSBMX

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

ALC125-272245-
/O.CON.KBMX.TO.W.0109.000000T0000Z-110427T2245Z/
TUSCALOOSA AL-
517 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR TUSCALOOSA COUNTY UNTIL
545 PM CDT...

...TORNADO EMERGENCY CONTINUES FOR BROOKWOOD AND ABERNANT...

AT 515 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED NEAR DEERLICK CREEK CAMPGROUNDS...OR 6 MILES EAST
OF HOLT...MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
  WOODSTOCK JUNCTION AND 8 MILES NORTHWEST OF VANCE AROUND 525 PM
  CDT.
  ABERNANT...LAKE VIEW AND 8 MILES SOUTHEAST OF BULL CITY AROUND 530
  PM CDT.

OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE EAST BROOKWOOD AND
CAFFEE JUNCTION.

THIS INCLUDES...
INTERSTATE 20 EXIT NUMBERS 68 THROUGH 97...

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

LAT...LON 3321 8776 3357 8732 3352 8732 3351 8729
      3347 8734 3340 8722 3337 8723 3331 8715
      3331 8712 3324 8708 3324 8715 3320 8718
      3314 8719 3314 8728 3309 8734 3311 8776
TIME...MOT...LOC 2217Z 244DEG 50KT 3324 8738

$$

853 
WWUS54 KBMX 272233
SVSBMX

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

ALC125-272245-
/O.CON.KBMX.TO.W.0109.000000T0000Z-110427T2245Z/
TUSCALOOSA AL-
533 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN TUSCALOOSA
COUNTY UNTIL 545 PM CDT...

AT 528 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS A SEPERATE 
CIRCULATION NORTH OF TUSCALOOSA.  THIS DANGEROUS STORM WAS LOCATED 
NEAR TUSCALOOSA...MOVING NORTHEAST AT 55 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  8 MILES NORTHWEST OF BROOKWOOD AROUND 540 PM CDT.
  BULL CITY...BANKHEAD LOCK AND DAM AND 9 MILES NORTHWEST OF ABERNANT
  AROUND 545 PM CDT.

THIS INCLUDES...
INTERSTATE 20 EXIT NUMBER 97...

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

LAT...LON 3357 8732 3352 8732 3351 8729 3349 8733
      3347 8734 3340 8722 3337 8723 3331 8715
      3331 8712 3324 8708 3322 8726 3320 8736
      3319 8761 3331 8762
TIME...MOT...LOC 2232Z 240DEG 47KT 3330 8748

$$

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, 4:50 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, 5:38 PM CDT	Tornado Warning Emergency	BMX	Bibb, Greene, Hale, Perry, Tuscaloosa	67 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.