Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 27, NWS Birmingham, AL

March 17, 2021Marengo County, Alabama

NWS Birmingham, AL issued this tornado warning at Mar 17, 2021, 4:28 PM CDT for Marengo County, Alabama. It was in force for 62 min. 5 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 17, 2021, 4:28 PM CDT (21:28 UTC)
Expired: Mar 17, 2021, 5:30 PM CDT
In force: 62 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Tornado: Observed
Hail: 1.0 in

County Marengo County, AL

The radar

The Birmingham radar (KBMX), 155 km from the middle of the area, began a volume at 21:29 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 17, 4:30 PM CDT	TORNADO	Morvin, AL	SIGNIFICANT TREE AND POWER LINE DAMAGE ON HIGHWAY 69 IN MORVIN, ALABAMA FROM TORNADO AT 4:30PM. VERIFIED BY A TRAINED SPOTTER.
Mar 17, 4:34 PM CDT	TORNADO	2 Sse Putnam, AL	THIS LONG TRACK TORNADO BEGAN IN THE NWS MOBILE FORECAST AREA AND TRAVELED ALMOST 35 MILES THROUGH WAYNE, CHOCTAW, AND CLARKE COUNTIES AS AN EF2 TORNADO. IT WEAKENED TO AN EF1 TORNADO AS IT CROSSED INTO MARENGO COUNTY. IT CONTINUED TO SNAP AND UPROOT NUMEROUS
Mar 17, 4:39 PM CDT	TORNADO	2 Se Putnam, AL	MULTIPLE TREES DOWN ALONG HWY 69.
Mar 17, 4:54 PM CDT	TORNADO	Sweet Water, AL	NWS METEOROLOGISTS SURVEYED DAMAGE IN AND NORTH OF SWEET WATER AND DETERMINED THAT IT WAS CONSISTENT WITH AN EF0 TORNADO. THE TORNADO BEGAN NEAR 3RD AVENUE IN SWEET WATER AND CONTINUED NORTH CROSSING HIGHWAY 10. THE TORNADO CONTINUED NORTH OF SWEET WATER, DISS
Mar 17, 4:55 PM CDT	TORNADO	1 Ssw Sweet Water, AL	DAMAGE REPORTED ALONG NICHOLSVILLE RD. TREES DOWN AND 1 MOBILE HOME DAMAGED.

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 17, 11:36 AM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.5 hours before the alert went out and 155 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: 658 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 759 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 301 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted.

722 
WFUS54 KBMX 172128
TORBMX
ALC091-172230-
/O.NEW.KBMX.TO.W.0027.210317T2128Z-210317T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
428 PM CDT Wed Mar 17 2021

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  Marengo County in southwestern Alabama...

* Until 530 PM CDT.
    
* At 427 PM CDT, a tornado producing storm was located near Putnam,
  or 12 miles southeast of Butler, moving northeast at 40 mph.

  HAZARD...Damaging tornado and quarter size hail.

  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...
  Linden, Thomaston, Sweet Water, Dayton, Putnam, Freddie Jones
  Field, Nanafalia, Consul, Magnolia, Wayne, Miller, Chickasaw State
  Park, Dixons Mill, Half Acre, Octagon, Clayhill, Nicholsville and
  Calvary.

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 3207 8808 3206 8807 3208 8804 3210 8805
      3248 8770 3227 8749 3227 8751 3225 8752
      3218 8752 3213 8761 3213 8762 3212 8762
      3199 8782 3199 8807 3201 8809 3199 8809
      3200 8811 3202 8812
TIME...MOT...LOC 2127Z 225DEG 35KT 3194 8810 

TORNADO...OBSERVED
HAIL...1.00IN

$$

87/GRANTHAM

4 follow-up statements

048 
WWUS54 KBMX 172145
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
445 PM CDT Wed Mar 17 2021

ALC091-172230-
/O.CON.KBMX.TO.W.0027.000000T0000Z-210317T2230Z/
Marengo AL-
445 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR MARENGO
COUNTY...
        
At 445 PM CDT, a confirmed tornado was located near Nanafalia, or 15
miles east of Butler, moving northeast at 40 mph.

HAZARD...Damaging tornado and quarter size hail.

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...
Linden, Thomaston, Sweet Water, Dayton, Putnam, Freddie Jones Field,
Nanafalia, Consul, Magnolia, Wayne, Miller, Chickasaw State Park,
Dixons Mill, Half Acre, Octagon, Clayhill, Nicholsville and Calvary.

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 3207 8808 3206 8807 3208 8804 3210 8805
      3248 8770 3227 8749 3227 8751 3225 8752
      3218 8752 3213 8761 3213 8762 3212 8762
      3199 8782 3199 8807 3201 8809 3199 8809
      3200 8811 3202 8812
TIME...MOT...LOC 2145Z 225DEG 35KT 3207 8795 

TORNADO...OBSERVED
HAIL...1.00IN

$$

87/GRANTHAM

345 
WWUS54 KBMX 172154
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
454 PM CDT Wed Mar 17 2021

ALC091-172230-
/O.CON.KBMX.TO.W.0027.000000T0000Z-210317T2230Z/
Marengo AL-
454 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
SOUTHEASTERN MARENGO COUNTY...
    
At 454 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Sweet Water, or 15 miles northwest of Thomasville,
moving northeast at 35 mph.

HAZARD...Tornado and quarter size hail.

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...
Linden, Thomaston, Sweet Water, Dayton, Freddie Jones Field,
Nanafalia, Consul, Magnolia, Wayne, Miller, Dixons Mill, Half Acre,
Octagon, Nicholsville and Calvary.

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 3199 8789 3211 8803 3243 8765 3227 8749
      3227 8751 3225 8752 3218 8752 3217 8755
      3214 8761 3213 8762 3213 8763
TIME...MOT...LOC 2154Z 233DEG 30KT 3209 8790 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

87/GRANTHAM

858 
WWUS54 KBMX 172203 RRA
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
503 PM CDT Wed Mar 17 2021

ALC091-172230-
/O.CON.KBMX.TO.W.0027.000000T0000Z-210317T2230Z/
Marengo AL-
503 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL
MARENGO COUNTY...
    
At 503 PM CDT, a confirmed tornado was located over Miller, or 10
miles south of Linden, moving northeast at 40 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Weather spotters 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...
Linden, Thomaston, Sweet Water, Dayton, Wayne, Freddie Jones Field,
Miller, Consul, Calvary, Half Acre and Octagon.

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 3207 8780 3218 8795 3243 8765 3227 8749
      3227 8751 3225 8752 3224 8752
TIME...MOT...LOC 2203Z 225DEG 35KT 3216 8782 

TORNADO...OBSERVED
HAIL...1.00IN

$$

87/GRANTHAM

995 
WWUS54 KBMX 172212
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
512 PM CDT Wed Mar 17 2021

ALC091-172230-
/O.CON.KBMX.TO.W.0027.000000T0000Z-210317T2230Z/
Marengo AL-
512 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
SOUTHEASTERN MARENGO COUNTY...
    
At 512 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Miller, or 9 miles southeast of Linden, moving
northeast at 35 mph.

HAZARD...Tornado and quarter size hail.

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...
Thomaston, Dayton, Freddie Jones Field, Miller, Consul, Calvary and
Octagon.

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 3211 8774 3220 8784 3238 8760 3227 8749
      3227 8751 3225 8752 3224 8752 3211 8773
TIME...MOT...LOC 2212Z 232DEG 32KT 3218 8773 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

87/GRANTHAM

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 16, 9:59 PM CDT	Special Weather Statement	BMX	Sumter	46 min
Mar 16, 10:11 PM CDT	Severe Thunderstorm Warning	BMX	Sumter	24 min
Mar 16, 10:38 PM CDT	Special Weather Statement	BMX	Hale	37 min
Mar 17, 1:27 AM CDT	Dense Fog Advisory	BMX	Autauga, Barbour, Blount, Bullock, Calhoun, Chambers and 22 more	6 hr
Mar 17, 11:18 AM CDT	Special Weather Statement	BMX	Jefferson	27 min
Mar 17, 12:13 PM CDT	Tornado Warning	BMX	Dallas	47 min
Mar 17, 12:19 PM CDT	Areal Flood Advisory	BMX	Jefferson, Tuscaloosa	2 hr
Mar 17, 12:21 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion	25 min
Mar 17, 12:41 PM CDT	Tornado Warning	BMX	Autauga	64 min
Mar 17, 12:59 PM CDT	Tornado Warning	BMX	Greene, Sumter	61 min
Mar 17, 1:18 PM CDT	Tornado Warning	BMX	Autauga, Chilton, Elmore	57 min
Mar 17, 1:40 PM CDT	Severe Thunderstorm Warning	BMX	Pickens, Tuscaloosa	28 min
Mar 17, 1:52 PM CDT	Tornado Warning	BMX	Greene, Hale, Marengo, Sumter	41 min
Mar 17, 1:58 PM CDT	Tornado Warning	BMX	Marengo	62 min
Mar 17, 1:59 PM CDT	Tornado Warning	BMX	Greene, Hale	46 min
Mar 17, 2:02 PM CDT	Tornado Warning Tornado observed	BMX	Chilton, Coosa	58 min
Mar 17, 2:09 PM CDT	Tornado Warning	BMX	Marengo	66 min
Mar 17, 2:14 PM CDT	Tornado Warning	BMX	Jefferson, Walker	61 min
Mar 17, 2:20 PM CDT	Tornado Warning Tornado observed	BMX	Tuscaloosa	40 min
Mar 17, 2:33 PM CDT	Tornado Warning Tornado observed	BMX	Clay, Coosa, Talladega	42 min
Mar 17, 2:44 PM CDT	Flash Flood Warning	BMX	Hale, Marengo, Perry	2 hr
Mar 17, 2:47 PM CDT	Areal Flood Advisory	BMX	Greene, Pickens, Sumter, Tuscaloosa	2 hr
Mar 17, 2:48 PM CDT	Areal Flood Advisory	BMX	Blount, Jefferson, Walker	2 hr
Mar 17, 2:48 PM CDT	Areal Flood Advisory	BMX	Fayette, Lamar, Marion, Walker, Winston	2 hr
Mar 17, 2:51 PM CDT	Flash Flood Warning	BMX	Jefferson	2 hr
Mar 17, 2:53 PM CDT	Tornado Warning Tornado observed	BMX	Tuscaloosa	52 min
Mar 17, 2:54 PM CDT	Tornado Warning	BMX	Dallas, Marengo, Perry	66 min
Mar 17, 2:58 PM CDT	Tornado Warning	BMX	Blount, Jefferson	34 min
Mar 17, 3:21 PM CDT	Tornado Warning	BMX	Tuscaloosa	54 min
Mar 17, 3:25 PM CDT	Flash Flood Warning	BMX	Tuscaloosa	2 hr
Mar 17, 3:28 PM CDT	Areal Flood Advisory	BMX	Dallas, Perry	2 hr
Mar 17, 3:34 PM CDT	Tornado Warning Tornado observed	BMX	Jefferson, Walker	56 min
Mar 17, 3:37 PM CDT	Tornado Warning	BMX	Marengo	38 min
Mar 17, 3:58 PM CDT	Tornado Warning Tornado observed	BMX	Jefferson	47 min
Mar 17, 3:58 PM CDT	Tornado Warning	BMX	Dallas, Perry	47 min
Mar 17, 4:12 PM CDT	Tornado Warning	BMX	Dallas	48 min
Mar 17, 4:36 PM CDT	Tornado Warning Tornado observed	BMX	Jefferson	54 min
Mar 17, 4:40 PM CDT	Tornado Warning	BMX	Autauga	50 min
Mar 17, 4:43 PM CDT	Tornado Warning	BMX	Dallas, Perry	47 min
Mar 17, 5:00 PM CDT	Tornado Warning	BMX	Chilton	60 min
Mar 17, 5:09 PM CDT	Areal Flood Advisory	BMX	Jefferson	111 min
Mar 17, 5:15 PM CDT	Tornado Warning	BMX	Chilton	60 min
Mar 17, 5:16 PM CDT	Tornado Warning Tornado observed	BMX	Blount	44 min
Mar 17, 5:23 PM CDT	Tornado Warning	BMX	Dallas, Marengo, Perry	67 min
Mar 17, 5:26 PM CDT	Areal Flood Advisory	BMX	Autauga, Chilton, Dallas, Hale, Marengo, Perry and 1 more	3 hr
Mar 17, 5:41 PM CDT	Tornado Warning	BMX	Marengo	23 min
Mar 17, 5:42 PM CDT	Tornado Warning	BMX	Chilton, Coosa, Shelby, Talladega	48 min
Mar 17, 5:48 PM CDT	Tornado Warning	BMX	Blount	42 min
Mar 17, 5:56 PM CDT	Areal Flood Advisory	BMX	Walker, Winston	44 min
Mar 17, 6:09 PM CDT	Tornado Warning	BMX	Chilton, Coosa, Shelby, Talladega	13 min
Mar 17, 6:40 PM CDT	Flash Flood Warning	BMX	Walker, Winston	3 hr
Mar 17, 6:48 PM CDT	Tornado Warning	BMX	Dallas	42 min

Nearby

Tornado Warnings in Alabama, 2021 Every tornado warning in 2021 Tornadoes in 2021

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.