Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 7, NWS Birmingham, AL

January 11, 2020Chambers County, Tallapoosa County, Alabama

NWS Birmingham, AL issued this tornado warning at Jan 11, 2020, 3:27 PM CST for Chambers County, Tallapoosa County, Alabama. It was in force for 18 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 11, 2020, 3:27 PM CST (21:27 UTC)
Expired: Jan 11, 2020, 3:45 PM CST
In force: 18 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Chambers County, AL, Tallapoosa County, AL

The radar

The Maxwell AFB radar (KMXX), 33 km from the middle of the area, began a volume at 21:30 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
Jan 11, 12:42 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.5 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: 13 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 557 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 417 m²/s²
0-3 km storm-relative helicity: 450 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

530 
WFUS54 KBMX 112127
TORBMX
ALC017-123-112215-
/O.NEW.KBMX.TO.W.0007.200111T2127Z-200111T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
327 PM CST Sat Jan 11 2020

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  East central Tallapoosa County in east central Alabama...
  Southwestern Chambers County in east central Alabama...

* Until 415 PM CST.
    
* At 327 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Waverly, or near Camp Hill, moving northeast at 55
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Camp Hill, Lafayette, La Fayette, Waverly, Sturkie, Trammel
  Crossroads, Ridge Grove and West Chambers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3273 8552 3273 8557 3274 8557 3273 8558
      3273 8561 3271 8561 3271 8563 3274 8572
      3299 8559 3292 8531
TIME...MOT...LOC 2127Z 216DEG 47KT 3278 8560 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

40/Sizemore

3 follow-up statements

718 
WWUS54 KBMX 112133 RRA
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
333 PM CST Sat Jan 11 2020

ALC123-112143-
/O.CAN.KBMX.TO.W.0007.000000T0000Z-200111T2215Z/
Tallapoosa AL-
333 PM CST Sat Jan 11 2020

...THE TORNADO WARNING FOR EAST CENTRAL TALLAPOOSA COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 PM CST for east central
Alabama.

LAT...LON 3292 8532 3276 8554 3279 8559 3282 8559
      3298 8556
TIME...MOT...LOC 2133Z 216DEG 47KT 3285 8554 

$$

ALC017-112215-
/O.CON.KBMX.TO.W.0007.000000T0000Z-200111T2215Z/
Chambers AL-
333 PM CST Sat Jan 11 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR
SOUTHWESTERN CHAMBERS COUNTY...
    
At 333 PM CST, a severe thunderstorm capable of producing a tornado
was located over West Chambers, or 7 miles northeast of Camp Hill,
moving northeast at 55 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Lafayette, La Fayette, Trammel Crossroads, Ridge Grove and West
Chambers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3292 8532 3276 8554 3279 8559 3282 8559
      3298 8556
TIME...MOT...LOC 2133Z 216DEG 47KT 3285 8554 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

40/Sizemore

002 
WWUS54 KBMX 112139
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
339 PM CST Sat Jan 11 2020

ALC017-112215-
/O.CON.KBMX.TO.W.0007.000000T0000Z-200111T2215Z/
Chambers AL-
339 PM CST Sat Jan 11 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR
SOUTHWESTERN CHAMBERS COUNTY...
    
At 338 PM CST, a severe thunderstorm capable of producing a tornado
was located near Ridge Grove, or near Lafayette, moving northeast at
55 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Lafayette, La Fayette and West Chambers. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3292 8532 3280 8549 3282 8553 3296 8548
TIME...MOT...LOC 2138Z 216DEG 47KT 3291 8549 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

40/Sizemore

675 
WWUS54 KBMX 112145
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
345 PM CST Sat Jan 11 2020

ALC017-112155-
/O.CAN.KBMX.TO.W.0007.000000T0000Z-200111T2215Z/
Chambers AL-
345 PM CST Sat Jan 11 2020

...THE TORNADO WARNING FOR SOUTHWESTERN CHAMBERS COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Tornado Watch remains in effect until 800 PM CST for east central
Alabama.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Birmingham.

LAT...LON 3292 8532 3280 8549 3282 8553 3296 8548
TIME...MOT...LOC 2143Z 216DEG 47KT 3299 8543 

$$

40/Sizemore

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 10, 7:50 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Pickens, Sumter	8 days
Jan 11, 7:39 AM CST	Severe Thunderstorm Warning	BMX	Lamar, Marion	66 min
Jan 11, 9:40 AM CST	Special Weather Statement	BMX	Marion	65 min
Jan 11, 10:07 AM CST	Areal Flood Advisory	BMX	Marion	3 hr
Jan 11, 10:36 AM CST	Severe Thunderstorm Warning	BMX	Greene, Pickens, Sumter	54 min
Jan 11, 10:47 AM CST	Special Weather Statement	BMX	Fayette, Lamar, Marion	43 min
Jan 11, 11:00 AM CST	Tornado Warning	BMX	Greene, Sumter	30 min
Jan 11, 11:01 AM CST	Tornado Warning	BMX	Pickens	42 min
Jan 11, 11:27 AM CST	Severe Thunderstorm Warning	BMX	Fayette, Greene, Hale, Lamar, Marengo, Pickens and 2 more	63 min
Jan 11, 11:33 AM CST	Tornado Warning	BMX	Greene, Pickens, Tuscaloosa	27 min
Jan 11, 11:50 AM CST	Tornado Warning	BMX	Fayette	16 min
Jan 11, 12:01 PM CST	Severe Thunderstorm Warning	BMX	Bibb, Fayette, Jefferson, Shelby, Tuscaloosa, Walker	59 min
Jan 11, 12:04 PM CST	Special Weather Statement	BMX	Winston	56 min
Jan 11, 12:08 PM CST	Tornado Warning	BMX	Jefferson, Tuscaloosa	24 min
Jan 11, 12:09 PM CST	Severe Thunderstorm Warning	BMX	Bibb, Perry	66 min
Jan 11, 12:24 PM CST	Severe Thunderstorm Warning	BMX	Winston	36 min
Jan 11, 12:35 PM CST	Areal Flood Advisory	BMX	Bibb, Fayette, Greene, Hale, Jefferson, Marion and 4 more	115 min
Jan 11, 12:38 PM CST	Severe Thunderstorm Warning	BMX	Blount, Jefferson, St. Clair	67 min
Jan 11, 12:38 PM CST	Tornado Warning	BMX	Jefferson	18 min
Jan 11, 12:47 PM CST	Severe Thunderstorm Warning	BMX	Dallas, Marengo	58 min
Jan 11, 12:52 PM CST	Severe Thunderstorm Warning	BMX	Chilton, Jefferson, St. Clair, Shelby	68 min
Jan 11, 1:09 PM CST	Severe Thunderstorm Warning	BMX	Etowah	81 min
Jan 11, 1:19 PM CST	Areal Flood Advisory	BMX	Bibb, Blount, Chilton, Etowah, Jefferson, St. Clair and 1 more	116 min
Jan 11, 1:27 PM CST	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Lowndes	65 min
Jan 11, 1:29 PM CST	Areal Flood Advisory	BMX	Autauga, Calhoun, Cleburne, Coosa, Elmore, Etowah and 3 more	2 hr
Jan 11, 1:40 PM CST	Severe Thunderstorm Warning	BMX	Calhoun, Coosa, Talladega	80 min
Jan 11, 1:41 PM CST	Severe Thunderstorm Warning	BMX	Cherokee	79 min
Jan 11, 1:47 PM CST	Severe Thunderstorm Warning	BMX	St. Clair	28 min
Jan 11, 1:50 PM CST	Severe Thunderstorm Warning	BMX	Dallas	12 min
Jan 11, 2:00 PM CST	Areal Flood Advisory	BMX	Cherokee	2 hr
Jan 11, 2:02 PM CST	Severe Thunderstorm Warning	BMX	St. Clair, Shelby	14 min
Jan 11, 2:09 PM CST	Severe Thunderstorm Warning	BMX	Elmore, Montgomery	62 min
Jan 11, 2:11 PM CST	Severe Thunderstorm Warning	BMX	Clay	61 min
Jan 11, 2:18 PM CST	Areal Flood Advisory	BMX	Clay, Cleburne, Tallapoosa	117 min
Jan 11, 2:21 PM CST	Areal Flood Advisory	BMX	Montgomery	114 min
Jan 11, 2:23 PM CST	Severe Thunderstorm Warning	BMX	Cleburne	63 min
Jan 11, 2:27 PM CST	Severe Thunderstorm Warning	BMX	Tallapoosa	66 min
Jan 11, 2:40 PM CST	Severe Thunderstorm Warning	BMX	Bullock, Macon, Pike	80 min
Jan 11, 2:44 PM CST	Areal Flood Advisory	BMX	Randolph	2 hr
Jan 11, 2:48 PM CST	Severe Thunderstorm Warning	BMX	Randolph	72 min
Jan 11, 2:53 PM CST	Areal Flood Advisory	BMX	Bullock, Macon, Pike	2 hr
Jan 11, 3:07 PM CST	Areal Flood Advisory	BMX	Chambers, Lee	113 min
Jan 11, 3:07 PM CST	Severe Thunderstorm Warning	BMX	Chambers, Lee, Russell	73 min
Jan 11, 3:27 PM CST	Areal Flood Advisory	BMX	Barbour, Russell	2 hr
Jan 11, 3:42 PM CST	Severe Thunderstorm Warning	BMX	Barbour, Russell	78 min
Jan 11, 4:37 PM CST	Tornado Warning	BMX	Barbour	23 min
Jan 11, 5:24 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	8 days
Jan 11, 5:24 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	10 days

Nearby

Tornado Warnings in Alabama, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.