Alert archive / Alabama / Tornado Warnings in 2013

Tornado Warning 13, NWS Birmingham, AL

April 11, 2013Barbour County, Russell County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 11, 2013, 9:23 PM CDT for Barbour County, Russell County, Alabama. It was in force for 52 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 11, 2013, 9:23 PM CDT (02:23 UTC)
Expired: Apr 11, 2013, 10:15 PM CDT
In force: 52 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Barbour County, AL, Russell County, AL

What was reported inside it

Time	Report	Where	Remark
Apr 11, 9:32 PM CDT	TSTM WND DMG	3 Ese Spring Hill, AL	FEW TREES DOWN ALONG CR 89. TIME ESTIMATED FROM RADAR.

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 11, 3:45 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.4 hours before the alert went out and 151 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: 1020 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 902 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 237 m²/s²
0-3 km storm-relative helicity: 339 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 9.4

Open this sounding in Storm Lab

The text

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

286 
WFUS54 KBMX 120223
TORBMX
ALC005-113-120315-
/O.NEW.KBMX.TO.W.0013.130412T0223Z-130412T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
923 PM CDT THU APR 11 2013

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BARBOUR COUNTY IN SOUTHEAST ALABAMA...
  SOUTHEASTERN RUSSELL COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 1015 PM CDT

* AT 918 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR COMER...OR 8 MILES SOUTHEAST OF MIDWAY...AND
  MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SPRING HILL...HAWKINSVILLE AND BATESVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758 OR TWEET YOUR REPORT USING HASHTAG ALWX

LAT...LON 3218 8501 3213 8505 3209 8504 3194 8540
      3202 8543 3209 8543 3234 8507 3219 8496
TIME...MOT...LOC 0223Z 235DEG 32KT 3203 8536

$$

27

3 follow-up statements

361 
WWUS54 KBMX 120231
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
931 PM CDT THU APR 11 2013

ALC005-113-120315-
/O.CON.KBMX.TO.W.0013.000000T0000Z-130412T0315Z/
BARBOUR AL-RUSSELL AL-
931 PM CDT THU APR 11 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN RUSSELL AND
NORTHEASTERN BARBOUR COUNTIES UNTIL 1015 PM CDT...

AT 928 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO.  THIS TORNADO WAS LOCATED NEAR SPRING HILL...OR 12 MILES
EAST OF MIDWAY...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  HAWKINSVILLE.

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 3218 8501 3213 8505 3209 8504 3198 8533
      3208 8539 3234 8507 3219 8496
TIME...MOT...LOC 0232Z 235DEG 32KT 3207 8529

$$

27

907 
WWUS54 KBMX 120243
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
943 PM CDT THU APR 11 2013

ALC005-120254-
/O.CAN.KBMX.TO.W.0013.000000T0000Z-130412T0315Z/
BARBOUR AL-
943 PM CDT THU APR 11 2013

...THE TORNADO WARNING FOR NORTHEASTERN BARBOUR 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 3218 8501 3213 8505 3209 8504 3207 8511
      3206 8519 3208 8519 3212 8525 3212 8524
      3216 8526 3234 8507 3220 8496
TIME...MOT...LOC 0244Z 235DEG 32KT 3213 8519

$$

ALC113-120315-
/O.CON.KBMX.TO.W.0013.000000T0000Z-130412T0315Z/
RUSSELL AL-
943 PM CDT THU APR 11 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN RUSSELL
COUNTY UNTIL 1015 PM CDT...

AT 941 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO.  THIS TORNADO WAS LOCATED 6 MILES NORTH OF HAWKINSVILLE...OR
15 MILES SOUTHEAST OF HURTSBORO...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHERN RUSSELL COUNTY.

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 3218 8501 3213 8505 3209 8504 3207 8511
      3206 8519 3208 8519 3212 8525 3212 8524
      3216 8526 3234 8507 3220 8496
TIME...MOT...LOC 0244Z 235DEG 32KT 3213 8519

$$

27

303 
WWUS54 KBMX 120258
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
958 PM CDT THU APR 11 2013

ALC113-120308-
/O.CAN.KBMX.TO.W.0013.000000T0000Z-130412T0315Z/
RUSSELL AL-
958 PM CDT THU APR 11 2013

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

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

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

LAT...LON 3218 8501 3213 8505 3209 8504 3207 8511
      3206 8519 3208 8519 3212 8525 3212 8524
      3216 8526 3234 8507 3220 8496
TIME...MOT...LOC 0258Z 235DEG 32KT 3220 8507

$$

27

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 7:06 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes, Montgomery	39 min
Apr 11, 7:44 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Macon, Montgomery, Tallapoosa	46 min
Apr 11, 8:42 PM CDT	Tornado Warning	BMX	Lee, Macon, Tallapoosa	33 min

Nearby

Tornado Warnings in Alabama, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.