Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 17, NWS Birmingham, AL

March 3, 2020Bibb County, Chilton County, Perry County, Alabama

NWS Birmingham, AL issued this tornado warning at Mar 3, 2020, 6:29 AM CST for Bibb County, Chilton County, Perry County, Alabama. It was in force for 31 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: Mar 3, 2020, 6:29 AM CST (12:29 UTC)
Expired: Mar 3, 2020, 7:00 AM CST
In force: 31 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Bibb County, AL, Chilton County, AL, Perry County, AL

The radar

The Birmingham radar (KBMX), 43 km from the middle of the area, began a volume at 12:31 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
Mar 3, 6:30 AM CST	TSTM WND DMG	2 Wsw Talladega Nationa, AL	TREES DOWN ON HOMES IN THE 500 BLOCK OF MAUDE TOWER RD. POSSIBLE TORNADO.
Mar 3, 6:36 AM CST	TSTM WND DMG	Lawley, AL	MULTIPLE TREES SNAPPED AND UPROOTED AT THE LAWLEY FIRE DEPT AND COMMUNITY CENTER. ROOF DAMAGE TO THE FIRE DEPT AS WELL. POSSIBLE TORNADO.

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
Mar 3, 5:12 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 0.5 hours before the alert went out and 43 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: 242 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 648 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted.

470 
WFUS54 KBMX 031229
TORBMX
ALC007-021-105-031300-
/O.NEW.KBMX.TO.W.0017.200303T1229Z-200303T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
629 AM CST Tue Mar 3 2020

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  Southwestern Chilton County in central Alabama...
  Northeastern Perry County in central Alabama...
  Southeastern Bibb County in central Alabama...

* Until 700 AM CST.
    
* At 628 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Talladega National Forest, or 11 miles southeast
  of Brent, moving east at 45 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...
  Maplesville, Lawley, Talladega National Forest, Chilton County
  Motor Sports Park, Randolph, Oakmulgee, Isabella and Trio.

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 3279 8713 3291 8709 3292 8674 3271 8677
TIME...MOT...LOC 1228Z 279DEG 37KT 3282 8702 

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

$$

40/Sizemore

3 follow-up statements

509 
WWUS54 KBMX 031232
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
632 AM CST Tue Mar 3 2020

ALC007-021-105-031300-
/O.CON.KBMX.TO.W.0017.000000T0000Z-200303T1300Z/
Chilton AL-Perry AL-Bibb AL-
632 AM CST Tue Mar 3 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CST FOR
SOUTHWESTERN CHILTON...NORTHEASTERN PERRY AND SOUTHEASTERN BIBB
COUNTIES...
        
At 631 AM CST, a confirmed tornado was located over Talladega
National Forest, or 10 miles southeast of Centreville, moving east at
35 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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...
Maplesville, Lawley, Talladega National Forest, Chilton County Motor
Sports Park, Randolph, Oakmulgee, Isabella and Trio.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3279 8713 3291 8709 3292 8674 3271 8677
TIME...MOT...LOC 1231Z 278DEG 30KT 3286 8701 

TORNADO...OBSERVED
HAIL...<.75IN

$$

40/Sizemore

943 
WWUS54 KBMX 031235
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
635 AM CST Tue Mar 3 2020

ALC105-031245-
/O.CAN.KBMX.TO.W.0017.000000T0000Z-200303T1300Z/
Perry AL-
635 AM CST Tue Mar 3 2020

...THE TORNADO WARNING FOR NORTHEASTERN PERRY 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 1100 AM CST for central
Alabama.

LAT...LON 3283 8702 3291 8699 3292 8674 3277 8676
TIME...MOT...LOC 1235Z 279DEG 37KT 3285 8696 

$$

ALC007-021-031300-
/O.CON.KBMX.TO.W.0017.000000T0000Z-200303T1300Z/
Chilton AL-Bibb AL-
635 AM CST Tue Mar 3 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CST FOR WEST
CENTRAL CHILTON AND SOUTHEASTERN BIBB COUNTIES...
        
At 635 AM CST, a confirmed tornado was located over Lawley, or 12
miles southeast of Centreville, moving east at 45 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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...
Maplesville, Lawley, Talladega National Forest, Chilton County Motor
Sports Park, Randolph and Isabella.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3283 8702 3291 8699 3292 8674 3277 8676
TIME...MOT...LOC 1235Z 279DEG 37KT 3285 8696 

TORNADO...OBSERVED
HAIL...<.75IN

$$

40/Sizemore

408 
WWUS54 KBMX 031248
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
648 AM CST Tue Mar 3 2020

ALC007-031258-
/O.CAN.KBMX.TO.W.0017.000000T0000Z-200303T1300Z/
Bibb AL-
648 AM CST Tue Mar 3 2020

...THE TORNADO WARNING FOR SOUTHEASTERN BIBB 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 1100 AM CST for central
Alabama.

LAT...LON 3283 8688 3291 8686 3292 8674 3281 8675
TIME...MOT...LOC 1248Z 274DEG 36KT 3287 8681 

$$

ALC021-031300-
/O.CON.KBMX.TO.W.0017.000000T0000Z-200303T1300Z/
Chilton AL-
648 AM CST Tue Mar 3 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CST FOR WEST
CENTRAL CHILTON COUNTY...
        
At 648 AM CST, a confirmed tornado was located over Chilton County
Motor Sports Park, or 7 miles southwest of Jemison, moving east at 40
mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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...
Chilton County Motor Sports Park and Isabella. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3283 8688 3291 8686 3292 8674 3281 8675
TIME...MOT...LOC 1248Z 274DEG 36KT 3287 8681 

TORNADO...OBSERVED
HAIL...<.75IN

$$

40/Sizemore

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 8:21 PM CST	Special Weather Statement	BMX	Walker	24 min
Mar 2, 8:39 PM CST	Special Weather Statement	BMX	Jefferson	36 min
Mar 3, 4:48 AM CST	Tornado Warning	BMX	Greene, Sumter	19 min
Mar 3, 5:05 AM CST	Severe Thunderstorm Warning	BMX	Greene, Sumter	40 min
Mar 3, 5:33 AM CST	Severe Thunderstorm Warning	BMX	Hale	42 min
Mar 3, 6:43 AM CST	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Dallas, Perry	37 min
Mar 3, 11:44 AM CST	Areal Flood Advisory	BMX	Autauga, Dallas, Lowndes, Marengo, Perry	3 hr
Mar 3, 12:24 PM CST	Areal Flood Advisory	BMX	Bullock, Elmore, Macon, Montgomery	3 hr
Mar 3, 1:03 PM CST	Areal Flood Advisory	BMX	Bibb, Greene, Hale, Perry, Sumter	6 hr
Mar 3, 1:09 PM CST	Areal Flood Advisory	BMX	Autauga, Chambers, Chilton, Coosa, Dallas, Elmore and 1 more	6 hr
Mar 3, 1:20 PM CST	River Flood Warning	BMX	Elmore, Montgomery	7 days
Mar 3, 2:35 PM CST	Flash Flood Watch	BMX	Autauga, Barbour, Bibb, Bullock, Calhoun, Chambers and 25 more	45 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.