Alert archive / Alabama / Tornado Warnings in 2013

Tornado Warning 5, NWS Birmingham, AL

January 30, 2013Calhoun County, Alabama

NWS Birmingham, AL issued this tornado warning at Jan 30, 2013, 9:08 AM CST for Calhoun County, Alabama. It was in force for 52 min. 2 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: Jan 30, 2013, 9:08 AM CST (15:08 UTC)
Expired: Jan 30, 2013, 10:00 AM CST
In force: 52 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

County Calhoun County, AL

The radar

The Atlanta radar (KFFC), 113 km from the middle of the area, began a volume at 15:09 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
Jan 30, 9:10 AM CST	TSTM WND DMG	5 Ese Anniston, AL	A TREE DOWN ALONG BERNARD COUCH DRIVE.
Jan 30, 9:12 AM CST	TSTM WND DMG	1 Nw Choccolocco, AL	LARGE TREE FELL ON HOUSE OFF OF RENEAU STREET. SOME ROOF DAMAGE.

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
Jan 30, 5:15 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 3.1 hours before the alert went out and 118 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: 220 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 487 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 343 m²/s²
0-3 km storm-relative helicity: 420 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

263 
WFUS54 KBMX 301508
TORBMX
ALC015-301600-
/O.NEW.KBMX.TO.W.0005.130130T1508Z-130130T1600Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
908 AM CST WED JAN 30 2013

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CALHOUN COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 1000 AM CST

* AT 908 AM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR ANNISTON...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FORT MCCLELLAN...JACKSONVILLE...PIEDMONT...WEAVER...CHOCCOLOCCO AND
  WHITE PLAINS.

THIS INCLUDES...
INTERSTATE 20 EXIT NUMBERS 185 THROUGH 191...

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 OR TWEET YOUR REPORT USING HASHTAG ALWX

LAT...LON 3387 8564 3385 8564 3384 8559 3381 8559
      3377 8564 3373 8564 3362 8571 3360 8574
      3355 8576 3356 8579 3359 8580 3359 8588
      3363 8595 3396 8570 3395 8553 3389 8553
TIME...MOT...LOC 1508Z 216DEG 55KT 3367 8580

$$

73

2 follow-up statements

217 
WWUS54 KBMX 301521
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
921 AM CST WED JAN 30 2013

ALC015-301600-
/O.CON.KBMX.TO.W.0005.000000T0000Z-130130T1600Z/
CALHOUN AL-
921 AM CST WED JAN 30 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN CALHOUN
COUNTY UNTIL 1000 AM CST...

AT 921 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO.  THIS TORNADO WAS LOCATED NEAR JACKSONVILLE...MOVING
NORTHEAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
  PIEDMONT.

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

LAT...LON 3389 8553 3389 8560 3388 8560 3387 8564
      3385 8564 3384 8559 3381 8559 3377 8564
      3372 8564 3368 8567 3377 8581 3396 8570
      3395 8553
TIME...MOT...LOC 1521Z 216DEG 55KT 3383 8566

$$

73

074 
WWUS54 KBMX 301531
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
931 AM CST WED JAN 30 2013

ALC015-301542-
/O.CAN.KBMX.TO.W.0005.000000T0000Z-130130T1600Z/
CALHOUN AL-
931 AM CST WED JAN 30 2013

...THE TORNADO WARNING FOR NORTHEASTERN CALHOUN 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 3389 8553 3389 8560 3388 8560 3387 8564
      3385 8564 3384 8559 3381 8559 3377 8564
      3372 8564 3368 8567 3377 8581 3396 8570
      3395 8553
TIME...MOT...LOC 1532Z 216DEG 55KT 3396 8554

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 30, 3:54 AM CST	Special Weather Statement	BMX	Marion	66 min
Jan 30, 4:34 AM CST	Severe Thunderstorm Warning	BMX	Lamar, Marion	41 min
Jan 30, 5:05 AM CST	Tornado Warning	BMX	Chilton	40 min
Jan 30, 5:23 AM CST	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion, Walker, Winston	52 min
Jan 30, 5:44 AM CST	Tornado Warning	BMX	Winston	31 min
Jan 30, 5:49 AM CST	Tornado Warning	BMX	Tuscaloosa, Walker	41 min
Jan 30, 6:49 AM CST	Severe Thunderstorm Warning	BMX	Tuscaloosa	56 min
Jan 30, 7:28 AM CST	Severe Thunderstorm Warning	BMX	Sumter	47 min
Jan 30, 7:53 AM CST	Severe Thunderstorm Warning	BMX	Chilton, Coosa	52 min
Jan 30, 8:00 AM CST	Severe Thunderstorm Warning	BMX	Hale, Marengo	45 min
Jan 30, 8:15 AM CST	Tornado Warning	BMX	Coosa, Talladega	45 min
Jan 30, 8:19 AM CST	Areal Flood Advisory	BMX	Hale	116 min
Jan 30, 8:46 AM CST	Severe Thunderstorm Warning	BMX	Talladega	29 min
Jan 30, 8:48 AM CST	Areal Flood Advisory	BMX	Bibb, Hale, Jefferson, Shelby	117 min
Jan 30, 9:02 AM CST	Severe Thunderstorm Warning	BMX	Calhoun	28 min
Jan 30, 9:20 AM CST	Tornado Warning	BMX	Cleburne	40 min
Jan 30, 9:43 AM CST	Flash Flood Warning	BMX	Jefferson	3 hr
Jan 30, 10:09 AM CST	Severe Thunderstorm Warning	BMX	Autauga, Coosa, Elmore	51 min
Jan 30, 10:12 AM CST	Flash Flood Warning	BMX	Talladega	3 hr
Jan 30, 10:20 AM CST	Flash Flood Warning	BMX	Calhoun, St. Clair	3 hr
Jan 30, 10:24 AM CST	Severe Thunderstorm Warning	BMX	Elmore, Montgomery	51 min
Jan 30, 10:31 AM CST	Severe Thunderstorm Warning	BMX	Clay, Randolph	44 min
Jan 30, 10:42 AM CST	Flash Flood Warning	BMX	Clay, Cleburne	3 hr
Jan 30, 10:53 AM CST	Severe Thunderstorm Warning	BMX	Clay, Tallapoosa	37 min
Jan 30, 10:57 AM CST	Severe Thunderstorm Warning	BMX	Tallapoosa	33 min
Jan 30, 11:08 AM CST	Severe Thunderstorm Warning	BMX	Cleburne, Randolph	37 min
Jan 30, 11:19 AM CST	Severe Thunderstorm Warning	BMX	Elmore, Tallapoosa	26 min
Jan 30, 11:26 AM CST	Severe Thunderstorm Warning	BMX	Chambers, Randolph	49 min
Jan 30, 12:10 PM CST	Tornado Warning	BMX	Bullock, Montgomery, Pike	35 min
Jan 30, 12:26 PM CST	Tornado Warning	BMX	Barbour, Bullock, Russell	34 min
Jan 30, 12:28 PM CST	Areal Flood Advisory	BMX	Chambers, Randolph, Tallapoosa	3 hr
Jan 30, 12:55 PM CST	Areal Flood Warning	BMX	Talladega	3 hr
Jan 30, 2:03 PM CST	Severe Thunderstorm Warning	BMX	Barbour, Lee, Pike, Russell	57 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; radar from the NEXRAD Level II archive.