Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 1, NWS Birmingham, AL

January 1, 20114 counties in Alabama

NWS Birmingham, AL issued this tornado warning at Jan 1, 2011, 2:26 AM CST for 4 counties in Alabama. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jan 1, 2011, 2:26 AM CST (08:26 UTC)
Expired: Jan 1, 2011, 3:00 AM CST
In force: 34 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Fayette County, AL, Lamar County, AL, Marion County, AL, Walker County, AL

The radar

The Columbus AFB radar (KGWX), 53 km from the middle of the area, began a volume at 08:28 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 31, 10:46 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 8.4 hours before the alert went out and 120 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: 1020 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 270 m²/s²
0-3 km storm-relative helicity: 398 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.

059 
WFUS54 KBMX 010826
TORBMX
ALC057-075-093-127-010900-
/O.NEW.KBMX.TO.W.0001.110101T0826Z-110101T0900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
226 AM CST SAT JAN 1 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN FAYETTE COUNTY IN WEST CENTRAL ALABAMA...
  EAST CENTRAL LAMAR COUNTY IN WEST CENTRAL ALABAMA...
  SOUTHEASTERN MARION COUNTY IN NORTHWEST ALABAMA...
  NORTHWESTERN WALKER COUNTY IN CENTRAL ALABAMA...

* UNTIL 300 AM CST

* AT 223 AM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR BLOOMING GROVE...OR 9 MILES EAST OF VERNON...AND
  MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WINFIELD...CARBON HILL...GLEN ALLEN...ELDRIDGE...KANSAS...
  HUBBERTVILLE...TUCKER AND FOWLERS CROSSROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

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

LAT...LON 3384 8799 3409 8764 3401 8764 3401 8758
      3381 8746 3367 8798
TIME...MOT...LOC 0827Z 248DEG 50KT 3380 8790

$$

61

3 follow-up statements

172 
WWUS54 KBMX 010834
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
234 AM CST SAT JAN 1 2011

ALC075-010844-
/O.CAN.KBMX.TO.W.0001.000000T0000Z-110101T0900Z/
LAMAR AL-
234 AM CST SAT JAN 1 2011

...THE TORNADO WARNING FOR EAST CENTRAL LAMAR COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF LAMAR COUNTY.

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

LAT...LON 3370 8789 3385 8789 3409 8764 3401 8764
      3401 8758 3381 8746
TIME...MOT...LOC 0834Z 242DEG 40KT 3383 8783

$$

ALC057-093-127-010900-
/O.CON.KBMX.TO.W.0001.000000T0000Z-110101T0900Z/
FAYETTE AL-WALKER AL-MARION AL-
234 AM CST SAT JAN 1 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MARION...
NORTHWESTERN WALKER AND NORTHERN FAYETTE COUNTIES UNTIL 300 AM CST...

AT 232 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BLUFF...OR 8 MILES SOUTHWEST OF WINFIELD...
MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  WINFIELD...CARBON HILL...GLEN ALLEN...ELDRIDGE...KANSAS...
  HUBBERTVILLE AND FOWLERS CROSSROADS.

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 3370 8789 3385 8789 3409 8764 3401 8764
      3401 8758 3381 8746
TIME...MOT...LOC 0834Z 242DEG 40KT 3383 8783

$$

61

863 
WWUS54 KBMX 010846
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
246 AM CST SAT JAN 1 2011

ALC057-093-127-010900-
/O.CON.KBMX.TO.W.0001.000000T0000Z-110101T0900Z/
FAYETTE AL-WALKER AL-MARION AL-
246 AM CST SAT JAN 1 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MARION...
NORTHWESTERN WALKER AND NORTH CENTRAL FAYETTE COUNTIES UNTIL 300 AM
CST...

AT 244 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR GLEN ALLEN...OR 7 MILES SOUTHEAST OF
WINFIELD...MOVING NORTHEAST AT 50 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  KANSAS AND CARBON HILL AROUND 255 AM CST.

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 3376 8774 3388 8777 3409 8764 3401 8764
      3401 8758 3387 8749
TIME...MOT...LOC 0846Z 245DEG 44KT 3389 8766

$$

61

672 
WWUS54 KBMX 010857
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
257 AM CST SAT JAN 1 2011

ALC057-093-127-010907-
/O.EXP.KBMX.TO.W.0001.000000T0000Z-110101T0900Z/
FAYETTE AL-WALKER AL-MARION AL-
257 AM CST SAT JAN 1 2011

...THE TORNADO WARNING FOR SOUTHEASTERN MARION...NORTHWESTERN WALKER
AND NORTH CENTRAL FAYETTE COUNTIES WILL EXPIRE AT 300 AM CST...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT.

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

LAT...LON 3376 8774 3388 8777 3409 8764 3401 8764
      3401 8758 3387 8749
TIME...MOT...LOC 0857Z 245DEG 44KT 3393 8750

$$

61

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 31, 8:43 PM CST	Special Weather Statement	BMX	Pickens	47 min
Dec 31, 11:15 PM CST	Areal Flood Advisory	BMX	Marion, Walker, Winston	3 hr
Jan 1, 12:28 AM CST	Wind Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	9 hr
Jan 1, 12:57 AM CST	Severe Thunderstorm Warning	BMX	Marion, Winston	33 min
Jan 1, 1:17 AM CST	Flash Flood Warning	BMX	Fayette, Lamar, Marion, Walker, Winston	4 hr
Jan 1, 1:53 AM CST	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion	37 min
Jan 1, 2:27 AM CST	Tornado Warning	BMX	Pickens	48 min
Jan 1, 3:10 AM CST	Tornado Warning	BMX	Pickens, Tuscaloosa	35 min
Jan 1, 3:36 AM CST	Flash Flood Watch	BMX	Etowah, St. Clair	8 hr
Jan 1, 3:37 AM CST	Flash Flood Warning	BMX	Fayette, Pickens, Tuscaloosa, Walker, Winston	3 hr
Jan 1, 3:37 AM CST	Severe Thunderstorm Warning	BMX	Greene, Pickens, Sumter	38 min
Jan 1, 4:13 AM CST	Severe Thunderstorm Warning	BMX	Fayette, Greene, Pickens, Sumter, Tuscaloosa	47 min
Jan 1, 4:36 AM CST	Severe Thunderstorm Warning	BMX	Bibb, Blount, Greene, Hale, Jefferson, Marengo and 3 more	39 min
Jan 1, 5:27 AM CST	Severe Thunderstorm Warning	BMX	Bibb, Greene, Hale, Perry, Sumter, Tuscaloosa	48 min
Jan 1, 5:46 AM CST	Areal Flood Advisory	BMX	Tuscaloosa	3 hr
Jan 1, 9:29 AM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Pickens, Sumter	24 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.