Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 47, NWS Birmingham, AL

March 26, 20114 counties in Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 26, 2011, 2:49 PM CDT for 4 counties in Alabama. It was in force for 41 min. 9 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: Mar 26, 2011, 2:49 PM CDT (19:49 UTC)
Expired: Mar 26, 2011, 3:30 PM CDT
In force: 41 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Autauga County, AL, Dallas County, AL, Elmore County, AL, Perry County, AL

The radar

The Birmingham radar (KBMX), 77 km from the middle of the area, began a volume at 19:49 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
Mar 26, 3:03 PM CDT	HAIL 1	Valley Grande, AL
Mar 26, 3:05 PM CDT	TSTM WND DMG	3 Nnw Prattville, AL	PRATTVILLE HIGH SCHOOL BASEBALL FIELD COMPLEX SUSTAINED DAMAGE. FENCING WAS BLOWN DOWN AND OUTBUILDINGS WERE DAMAGED. SMALL HAIL WAS COVERING THE GROUND SEVERAL INCHES DEEP.
Mar 26, 3:05 PM CDT	TSTM WND DMG	3 N Vida Junction, AL	MOBILE HOME DESTROYED.
Mar 26, 3:05 PM CDT	TSTM WND DMG	3 N Vida Junction, AL	ONE MOBILE HOME DAMAGED AND ONE DESTROYED. SEVERAL OUTBUILDINGS DAMAGED. SEVERAL HOMES WITH SHINGLE DAMAGE. TREES SNAPPED OFF AND UPROOTED. DAMAGE NEAR COUNTY ROAD 19N AT VIDA. POSSIBLE TORNADO.
Mar 26, 3:05 PM CDT	TSTM WND DMG	4 Wsw Deatsville, AL	TREE DOWN ON POWER LINES AT CR 85 AND 102 IN PINE LEVEL.
Mar 26, 3:05 PM CDT	TSTM WND DMG	Prattville, AL	PRATTVILLE HIGH SCHOOL BASEBALL FIELD COMPLEX SUSTAINED DAMAGE. FENCING WAS BLOWN DOWN AND OUTBUILDINGS WERE DAMAGED. SMALL HAIL WAS COVERING THE GROUND SEVERAL INCHES DEEP.
Mar 26, 3:05 PM CDT	TSTM WND DMG	Vida Junction, AL	MOBILE HOME DAMAGED
Mar 26, 3:10 PM CDT	HAIL 1.75	Burnsville, AL
Mar 26, 3:38 PM CDT	HAIL 1	4 Wsw Deatsville, AL	QUARTER SIZE HAIL IN PINE LEVEL.

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
Mar 26, 12:15 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.8 hours before the alert went out and 78 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: 54 J/kg
Mixed-layer CIN: -256 J/kg
Mixed-layer LCL: 809 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 185 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

157 
WUUS54 KBMX 261949
SVRBMX
ALC001-047-051-105-262030-
/O.NEW.KBMX.SV.W.0047.110326T1949Z-110326T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
249 PM CDT SAT MAR 26 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  AUTAUGA COUNTY IN CENTRAL ALABAMA...
  NORTHEASTERN DALLAS COUNTY IN SOUTH CENTRAL ALABAMA...
  WESTERN ELMORE COUNTY IN EAST CENTRAL ALABAMA...
  EAST CENTRAL PERRY COUNTY IN CENTRAL ALABAMA...

* UNTIL 330 PM CDT

* AT 245 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A LINE OF
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM PLECHER TO POTTER
  STATION...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PRATTVILLE...MILLBROOK...BILLINGSLEY...BURNSVILLE...GARDNER
  ISLAND...VIDA JUNCTION...MULBERRY AND MARBURY.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 179 THROUGH 193...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SATURDAY EVENING
FOR SOUTHERN ALABAMA.

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

LAT...LON 3238 8662 3241 8662 3241 8665 3238 8666
      3238 8672 3241 8672 3238 8679 3240 8719
      3259 8722 3267 8701 3266 8679 3267 8671
      3270 8671 3272 8618 3251 8625 3249 8630
      3243 8631 3243 8639 3237 8648
TIME...MOT...LOC 1949Z 270DEG 40KT 3263 8674 3249 8703

$$

JD/02

2 follow-up statements

218 
WWUS54 KBMX 262007
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
307 PM CDT SAT MAR 26 2011

ALC105-262013-
/O.CAN.KBMX.SV.W.0047.000000T0000Z-110326T2030Z/
PERRY AL-
307 PM CDT SAT MAR 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PERRY COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

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

LAT...LON 3238 8662 3241 8662 3241 8665 3238 8666
      3238 8672 3241 8672 3240 8678 3238 8679
      3239 8698 3249 8710 3265 8694 3267 8671
      3270 8671 3272 8618 3251 8625 3249 8630
      3243 8631 3243 8639 3241 8645 3237 8648
TIME...MOT...LOC 2003Z 270DEG 40KT 3263 8655 3250 8693

$$

ALC001-047-051-262030-
/O.CON.KBMX.SV.W.0047.000000T0000Z-110326T2030Z/
DALLAS AL-AUTAUGA AL-ELMORE AL-
307 PM CDT SAT MAR 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
ELMORE...AUTAUGA AND NORTHEASTERN DALLAS COUNTIES UNTIL 330 PM CDT...

AT 259 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL. 
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES
NORTHEAST OF VIDA JUNCTION TO VALLEY GRANDE...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  PRATTVILLE...MILLBROOK...VIDA JUNCTION...BURNSVILLE...MARBURY...
  GARDNER ISLAND...MULBERRY...DEATSVILLE...TITUS AND WEOKA MILLS.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 179 THROUGH 193...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

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

LAT...LON 3238 8662 3241 8662 3241 8665 3238 8666
      3238 8672 3241 8672 3240 8678 3238 8679
      3239 8698 3249 8710 3265 8694 3267 8671
      3270 8671 3272 8618 3251 8625 3249 8630
      3243 8631 3243 8639 3241 8645 3237 8648
TIME...MOT...LOC 2003Z 270DEG 40KT 3263 8655 3250 8693

$$

023 
WWUS54 KBMX 262020
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
320 PM CDT SAT MAR 26 2011

ALC047-262030-
/O.CAN.KBMX.SV.W.0047.000000T0000Z-110326T2030Z/
DALLAS AL-
320 PM CDT SAT MAR 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DALLAS COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

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

LAT...LON 3238 8662 3241 8662 3241 8665 3238 8666
      3238 8672 3241 8672 3238 8679 3240 8684
      3244 8683 3245 8687 3252 8690 3269 8665
      3272 8618 3251 8625 3249 8630 3243 8631
      3243 8639 3237 8649
TIME...MOT...LOC 2020Z 270DEG 40KT 3263 8633 3250 8671

$$

ALC001-051-262030-
/O.CON.KBMX.SV.W.0047.000000T0000Z-110326T2030Z/
AUTAUGA AL-ELMORE AL-
320 PM CDT SAT MAR 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN ELMORE
AND AUTAUGA COUNTIES UNTIL 330 PM CDT...

AT 318 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL. 
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM DEATSVILLE TO
MULBERRY...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  PRATTVILLE...MILLBROOK...WEOKA MILLS...AUTAUGAVILLE...TEN CEDAR
  ESTATES...BOOTH...ELMORE...AUTAUGA COUNTY AIRPORT...COOSADA AND
  JORDAN DAM.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 179 THROUGH 193...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

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

LAT...LON 3238 8662 3241 8662 3241 8665 3238 8666
      3238 8672 3241 8672 3238 8679 3240 8684
      3244 8683 3245 8687 3252 8690 3269 8665
      3272 8618 3251 8625 3249 8630 3243 8631
      3243 8639 3237 8649
TIME...MOT...LOC 2020Z 270DEG 40KT 3263 8633 3250 8671

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 3:49 AM CDT	Special Weather Statement	BMX	Marion	41 min
Mar 26, 4:09 AM CDT	Severe Thunderstorm Warning	BMX	Marion	51 min
Mar 26, 4:48 AM CDT	Areal Flood Advisory	BMX	Marion, Winston	117 min
Mar 26, 4:57 AM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	48 min
Mar 26, 6:22 AM CDT	Special Weather Statement	BMX	Marshall	23 min
Mar 26, 7:43 AM CDT	Special Weather Statement	BMX	Marion	47 min
Mar 26, 12:38 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Marengo, Sumter	52 min
Mar 26, 1:05 PM CDT	Tornado Warning	BMX	Greene, Hale, Perry	55 min
Mar 26, 1:25 PM CDT	Tornado Warning	BMX	Fayette, Walker	25 min
Mar 26, 1:36 PM CDT	Tornado Warning	BMX	Dallas, Perry	39 min
Mar 26, 1:46 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Coosa	59 min
Mar 26, 2:32 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Coosa, Tallapoosa	58 min
Mar 26, 2:46 PM CDT	Severe Thunderstorm Warning	BMX	Coosa, Tallapoosa	44 min
Mar 26, 2:51 PM CDT	Tornado Warning	BMX	St. Clair	24 min
Mar 26, 2:59 PM CDT	Severe Thunderstorm Warning	BMX	Etowah, St. Clair	31 min
Mar 26, 3:02 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Clay, Randolph, Tallapoosa	43 min
Mar 26, 3:07 PM CDT	Tornado Warning	BMX	Chambers, Tallapoosa	53 min
Mar 26, 3:11 PM CDT	Tornado Warning	BMX	Autauga, Elmore	49 min
Mar 26, 3:15 PM CDT	Tornado Warning	BMX	Calhoun, Etowah	30 min
Mar 26, 3:32 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Lee, Macon, Russell	43 min
Mar 26, 3:36 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Shelby	39 min
Mar 26, 3:38 PM CDT	Tornado Warning	BMX	Calhoun, Cleburne	37 min
Mar 26, 3:40 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	35 min
Mar 26, 3:53 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Macon, Montgomery, Tallapoosa	45 min
Mar 26, 4:07 PM CDT	Tornado Warning	BMX	Chilton, Shelby	38 min
Mar 26, 4:20 PM CDT	Severe Thunderstorm Warning	BMX	Macon	40 min
Mar 26, 4:39 PM CDT	Tornado Warning	BMX	Coosa, Shelby, Talladega	16 min
Mar 26, 4:51 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Russell	39 min
Mar 26, 4:54 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Lee, Macon, Russell	51 min
Mar 26, 5:27 PM CDT	Severe Thunderstorm Warning	BMX	Barbour	33 min
Mar 26, 5:42 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Macon, Russell	63 min
Mar 26, 5:54 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah	51 min
Mar 26, 6:21 PM CDT	Tornado Warning	BMX	Russell	24 min
Mar 26, 6:23 PM CDT	Tornado Warning	BMX	Etowah	35 min
Mar 26, 6:29 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	61 min
Mar 26, 6:48 PM CDT	Tornado Warning	BMX	Fayette, Lamar, Marion	25 min
Mar 26, 6:57 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee, Etowah	45 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011 Every severe thunderstorm warning 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.