Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 12, NWS Birmingham, AL

February 28, 2011Macon County, Alabama

NWS Birmingham, AL issued this tornado warning at Feb 28, 2011, 6:09 PM CST for Macon County, Alabama. It was in force for 23 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: Feb 28, 2011, 6:09 PM CST (00:09 UTC)
Expired: Feb 28, 2011, 6:32 PM CST
In force: 23 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

County Macon County, AL

What was reported inside it

Time	Report	Where	Remark
Feb 28, 6:28 PM CST	TSTM WND DMG	Davisville, AL	SEVERAL TREES AND POWER LINES REPORTED DOWN IN THE DAVISVILLE COMMUNITY ON US HIGHWAY 29 SOUTH, AND COUNTY ROADS 47, 46, AND 45.

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
Feb 28, 12:29 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.2 hours before the alert went out and 138 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: 2 J/kg
Mixed-layer CIN: -299 J/kg
Mixed-layer LCL: 1366 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: -299 m²/s²
0-3 km storm-relative helicity: -128 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

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

079 
WFUS54 KBMX 010009
TORBMX
ALC087-010100-
/O.NEW.KBMX.TO.W.0012.110301T0009Z-110301T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
609 PM CST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  MACON COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 700 PM CST

* AT 607 PM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR MILSTEAD...AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TUSKEGEE...FRANKLIN...LIVERPOOL...LAKE TUSKEGEE...DAVISVILLE...
  TUSKEGEE NATIONAL FOREST...SOCIETY HILL...UPHAPEE CREEK AND MOTON
  FIELD MUNICIPAL AIRPORT.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 26 THROUGH 42...

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 3224 8548 3237 8594 3246 8591 3246 8588
      3248 8587 3251 8544 3242 8543 3224 8543
TIME...MOT...LOC 0009Z 270DEG 26KT 3243 8584

$$

3 follow-up statements

463 
WWUS54 KBMX 010018
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
618 PM CST MON FEB 28 2011

ALC087-010100-
/O.CON.KBMX.TO.W.0012.000000T0000Z-110301T0100Z/
MACON AL-
618 PM CST MON FEB 28 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR MACON COUNTY UNTIL 700 PM
CST...

AT 615 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR LIVERPOOL...OR 5 MILES SOUTHWEST OF
TUSKEGEE...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  LAKE TUSKEGEE...DAVISVILLE...SOCIETY HILL...UPHAPEE CREEK...MOTON
  FIELD MUNICIPAL AIRPORT...WARRIORSTAND AND CREEK STAND.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 32 THROUGH 38...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

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

LAT...LON 3224 8543 3224 8548 3235 8586 3244 8582
      3247 8579 3249 8544 3248 8543
TIME...MOT...LOC 0018Z 288DEG 34KT 3238 8574

$$

321 
WWUS54 KBMX 010026 RRA
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
626 PM CST MON FEB 28 2011

ALC087-010100-
/O.CON.KBMX.TO.W.0012.000000T0000Z-110301T0100Z/
MACON AL-
626 PM CST MON FEB 28 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MACON COUNTY
UNTIL 700 PM CST...

AT 624 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR DAVISVILLE...OR 5 MILES SOUTH OF TUSKEGEE...
MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  SOCIETY HILL...WARRIORSTAND AND CREEK STAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

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

LAT...LON 3224 8543 3224 8548 3231 8571 3232 8575
      3241 8570 3246 8566 3245 8544 3238 8543
TIME...MOT...LOC 0026Z 288DEG 34KT 3236 8566

$$

17/KLAWS

032 
WWUS54 KBMX 010032
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
632 PM CST MON FEB 28 2011

ALC087-010042-
/O.CAN.KBMX.TO.W.0012.000000T0000Z-110301T0100Z/
MACON AL-
632 PM CST MON FEB 28 2011

...THE TORNADO WARNING FOR SOUTHEASTERN MACON COUNTY IS CANCELLED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN
EFFECT FOR THE AREA.  HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH 
THIS THUNDERSTORM.

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

LAT...LON 3224 8543 3224 8548 3231 8571 3232 8575
      3241 8570 3246 8566 3245 8544 3238 8543
TIME...MOT...LOC 0032Z 288DEG 34KT 3234 8560

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 6:31 PM CST	Severe Thunderstorm Warning	BMX	Bullock, Lee, Macon, Russell	29 min
Feb 28, 6:52 PM CST	Severe Thunderstorm Warning	BMX	Barbour, Russell	38 min
Feb 28, 7:19 PM CST	Severe Thunderstorm Warning	BMX	Barbour	28 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.