Alert archive / Alabama / River Flood Warnings in 2021

River Flood Warning 7, NWS Birmingham, AL

March 17, 20214 counties in Alabama

NWS Birmingham, AL issued this river flood warning at Mar 17, 2021, 9:18 PM CDT for 4 counties in Alabama. It took effect at Mar 20, 2021, 4:00 AM CDT. It was in force for 17 hr.

The area

The outline as issued.

The facts

Issued: Mar 17, 2021, 9:18 PM CDT (02:18 UTC)
In effect from: Mar 20, 2021, 4:00 AM CDT
Expired: Mar 20, 2021, 9:09 PM CDT
In force: 17 hr
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Flood severity: Minor

Counties Greene County, AL, Hale County, AL, Marengo County, AL, Sumter County, AL

The radar

The Birmingham radar (KBMX), 146 km from the middle of the area, began a volume at 02:16 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 river

Written for the forecast point Tombigbee River at Demopolis Lock and Dam (DLDA1). The gauge peaked at 79.83 ft at Mar 19, 2021, 11:00 PM CDT.

Action stage: 68 ft
Minor stage: 68 ft
Moderate stage: 77 ft
Major stage: 92 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02467000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

611 
WGUS44 KBMX 180218
FLWBMX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Birmingham AL
918 PM CDT Wed Mar 17 2021

...The National Weather Service in Birmingham AL has issued a Flood 
Warning for the following rivers in Alabama...

  Tombigbee River At Demopolis Lock and Dam affecting Greene, 
  Marengo, Sumter and Hale Counties.

.Heavy rainfall of 3 to 5 inches inches has occurred over the past 
couple of days over the Black Warrior River basin and a flood 
warning is now in effect for the Black Warrior River at Demopolis 
Lock and Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Another statement will be issued by Thursday morning, or sooner if 
conditions warrant.

&&


ALC063-065-091-119-181430-
/O.NEW.KBMX.FL.W.0007.210320T1617Z-000000T0000Z/
/DLDA1.1.ER.210320T1617Z.210322T1800Z.000000T0000Z.NO/
918 PM CDT Wed Mar 17 2021

The National Weather Service in Birmingham has issued a

* Flood Warning for
  the Tombigbee River At Demopolis Lock and Dam.
* From Saturday morning until further notice.
* At 8:15 PM CDT Wednesday the stage was 50.4 feet.
* Flood stage is 68.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  Saturday morning and continue rising to 71.1 feet early Monday 
  afternoon. Additional rises are possible thereafter.
* Impact...At 68.0 feet, Flooding of lowlands in the area occurs and 
  cattle should be moved to higher ground.


&&

LAT...LON 3252 8782 3225 8790 3201 8806 3201 8816
      3240 8809 3253 8790

$$

7 follow-up statements

152 
WGUS84 KBMX 180949
FLSBMX

Flood Statement
National Weather Service Birmingham AL
449 AM CDT Thu Mar 18 2021

...The Flood Warning is extended for the following rivers in 
Alabama...

  Tombigbee River At Demopolis Lock and Dam affecting Greene, 
  Marengo, Sumter and Hale Counties.

.Flooding continues on the Tombigbee River and a flood warning 
remains in effect.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Another statement will be issued by this afternoon, or sooner if 
conditions warrant.

&&


ALC063-065-091-119-182200-
/O.EXT.KBMX.FL.W.0007.210320T2024Z-000000T0000Z/
/DLDA1.1.ER.210320T2024Z.210322T1200Z.000000T0000Z.NO/
449 AM CDT Thu Mar 18 2021

...The Flood Warning is now in effect until further notice...

The Flood Warning continues for
  the Tombigbee River At Demopolis Lock and Dam.
* From Saturday afternoon until further notice.
* At 4:15 AM CDT Thursday the stage was 54.4 feet.
* Flood stage is 68.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  Saturday afternoon and continue rising to a crest of 69.6 feet 
  Monday morning.


&&

LAT...LON 3252 8782 3225 8790 3201 8806 3201 8816
      3240 8809 3253 8790

$$

423 
WGUS84 KBMX 181437
FLSBMX

Flood Statement
National Weather Service Birmingham AL
937 AM CDT Thu Mar 18 2021

...The Flood Warning is extended for the following rivers in 
Alabama...

  Tombigbee River At Demopolis Lock and Dam affecting Greene, 
  Marengo, Sumter and Hale Counties.

.Minor flooding will develop on the Tombigbee River and a flood 
warning remains in effect for areas at and near Demopolis .

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Another statement will be issued by this evening, or sooner if 
conditions warrant.

&&


ALC063-065-091-119-190245-
/O.EXT.KBMX.FL.W.0007.210321T0300Z-000000T0000Z/
/DLDA1.1.ER.210321T0300Z.210322T0600Z.000000T0000Z.NO/
937 AM CDT Thu Mar 18 2021

...The Flood Warning is now in effect until further notice...

The Flood Warning continues for
  the Tombigbee River At Demopolis Lock and Dam.
* From Saturday evening until further notice.
* At 9:15 AM CDT Thursday the stage was 57.0 feet.
* Flood stage is 68.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  Saturday evening and continue rising to a crest of 68.9 feet early 
  Monday morning.


&&

LAT...LON 3252 8782 3225 8790 3201 8806 3201 8816
      3240 8809 3253 8790

$$

88

035 
WGUS84 KBMX 190140
FLSBMX

Flood Statement
National Weather Service Birmingham AL
840 PM CDT Thu Mar 18 2021

...The Flood Warning continues for the following rivers in Alabama...

  Tombigbee River At Demopolis Lock and Dam affecting Greene, 
  Marengo, Sumter and Hale Counties.

.Flooding continues on the Tombigbee River near the Demopolis Lock 
and Dam and a flood warning remains in effect.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Another statement will be issued by Friday morning, or sooner if 
conditions warrant.

&&


ALC063-065-091-119-191345-
/O.CON.KBMX.FL.W.0007.210321T0300Z-000000T0000Z/
/DLDA1.1.ER.210322T0000Z.210322T1200Z.210323T0600Z.NO/
840 PM CDT Thu Mar 18 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Tombigbee River At Demopolis Lock and Dam.
* From Saturday evening until further notice.
* At 8:15 PM CDT Thursday the stage was 61.8 feet.
* Flood stage is 68.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage Sunday 
  evening to a crest of 68.3 feet Monday morning. It will then fall 
  below flood stage early Tuesday morning.


&&

LAT...LON 3252 8782 3225 8790 3201 8806 3201 8816
      3240 8809 3253 8790

$$

08

160 
WGUS84 KBMX 191451
FLSBMX

Flood Statement
National Weather Service Birmingham AL
951 AM CDT Fri Mar 19 2021

...The Flood Warning continues for the following rivers in Alabama...

  Tombigbee River At Demopolis Lock and Dam affecting Greene, 
  Marengo, Sumter and Hale Counties.

.Flooding continues on the Tombigbee River and a flood warning 
remains in effect.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Another statement will be issued by this evening, or sooner if 
conditions warrant.

&&


ALC063-065-091-119-200300-
/O.EXT.KBMX.FL.W.0007.210320T0600Z-210322T0600Z/
/DLDA1.1.ER.210320T0600Z.210320T1200Z.210321T1800Z.NO/
951 AM CDT Fri Mar 19 2021

...The Flood Warning is now in effect until early Monday morning...

The Flood Warning continues for
  the Tombigbee River At Demopolis Lock and Dam.
* From late tonight to late Sunday night.
* At 9:15 AM CDT Friday the stage was 65.7 feet.
* Flood stage is 68.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just 
  after midnight tonight to a crest of 68.4 feet tomorrow morning. 
  It will then fall below flood stage early Sunday afternoon.
* Impact...At 68.0 feet, Flooding of lowlands in the area occurs and 
  cattle should be moved to higher ground.


&&

LAT...LON 3252 8782 3225 8790 3201 8806 3201 8816
      3240 8809 3253 8790

$$

943 
WGUS84 KBMX 200218
FLSBMX

Flood Statement
National Weather Service Birmingham AL
918 PM CDT Fri Mar 19 2021

...The Flood Warning continues for the following rivers in Alabama...

  Tombigbee River At Demopolis Lock and Dam affecting Greene, 
  Marengo, Sumter and Hale Counties.

.Flooding continues on the Tombigbee River and a flood warning 
remains in effect.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Another statement will be issued by Saturday morning, or sooner if 
conditions warrant.

&&


ALC063-065-091-119-201430-
/O.EXT.KBMX.FL.W.0007.210320T0900Z-210321T0600Z/
/DLDA1.1.ER.210320T0900Z.210320T1200Z.210320T1800Z.NO/
918 PM CDT Fri Mar 19 2021

...The Flood Warning is now in effect until early Sunday morning...

The Flood Warning continues for
  the Tombigbee River At Demopolis Lock and Dam.
* From late tonight to late Saturday night.
* At 8:15 PM CDT Friday the stage was 67.6 feet.
* Flood stage is 68.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tonight to a crest of 68.1 feet. It will then fall below flood 
  stage early tomorrow afternoon.


&&

LAT...LON 3252 8782 3225 8790 3201 8806 3201 8816
      3240 8809 3253 8790

$$

89^GSatterwhite

144 
WGUS84 KBMX 201424
FLSBMX

Flood Statement
National Weather Service Birmingham AL
924 AM CDT Sat Mar 20 2021

...The Flood Warning is extended for the following rivers in 
Alabama...

  Tombigbee River At Demopolis Lock and Dam affecting Greene, 
  Marengo, Sumter and Hale Counties.

.Flooding continues on the Tombigbee River and a flood warning 
remains in effect.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Another statement will be issued by this evening, or sooner if 
conditions warrant.

&&


ALC063-065-091-119-210230-
/O.EXT.KBMX.FL.W.0007.000000T0000Z-210322T1200Z/
/DLDA1.1.ER.210320T0530Z.210320T1800Z.210322T0000Z.NO/
924 AM CDT Sat Mar 20 2021

...The Flood Warning is now in effect until Monday morning...

The Flood Warning continues for
  the Tombigbee River At Demopolis Lock and Dam.
* Until Monday morning.
* At 8:15 AM CDT Saturday the stage was 68.1 feet.
* Flood stage is 68.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 68.3 feet 
  this afternoon. It will then fall below flood stage tomorrow 
  evening.


&&

LAT...LON 3252 8782 3225 8790 3201 8806 3201 8816
      3240 8809 3253 8790

$$

634 
WGUS84 KBMX 210209
FLSBMX

Flood Statement
National Weather Service Birmingham AL
909 PM CDT Sat Mar 20 2021

...The Flood Warning is cancelled for the following rivers in 
Alabama...

  Tombigbee River At Demopolis Lock and Dam affecting Greene, 
  Marengo, Sumter and Hale Counties.

.The Tombigbee River has fallen below flood stage, so the flood 
warning has been cancelled.

ALC063-065-091-119-210315-
/O.CAN.KBMX.FL.W.0007.000000T0000Z-210321T0209Z/
/DLDA1.1.ER.210320T0530Z.210320T1800Z.210322T0000Z.NO/
909 PM CDT Sat Mar 20 2021

...The Flood Warning for the Tombigbee River At Demopolis Lock and 
Dam has been cancelled...

The Flood Warning is cancelled for
  the Tombigbee River At Demopolis Lock and Dam.
* At 8:15 PM CDT Saturday the stage was 67.5 feet.
* Flood stage is 68.0 feet.
* Forecast...The river will continue to gradually fall over the 
  coming days.


&&

LAT...LON 3252 8782 3225 8790 3201 8806 3201 8816
      3240 8809 3253 8790

$$

89^GSatterwhite

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 7:18 PM CDT	Tornado Warning	BMX	Autauga, Dallas	17 min
Mar 17, 7:47 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion	58 min
Mar 17, 8:01 PM CDT	Tornado Warning	BMX	Greene, Pickens, Sumter	22 min
Mar 17, 8:15 PM CDT	Severe Thunderstorm Warning	BMX	Autauga	39 min
Mar 17, 8:32 PM CDT	Tornado Warning	BMX	Autauga, Chilton, Elmore	19 min
Mar 17, 9:06 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Tuscaloosa	33 hr
Mar 17, 9:14 PM CDT	River Flood Warning	BMX	Sumter	37 hr
Mar 17, 9:48 PM CDT	Areal Flood Advisory	BMX	Blount	3 hr
Mar 17, 9:51 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Coosa, Elmore, Lowndes, Montgomery	69 min
Mar 17, 10:06 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair, Shelby, Talladega	69 min
Mar 17, 10:22 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Etowah, St. Clair	68 min
Mar 17, 10:26 PM CDT	Areal Flood Advisory	BMX	Calhoun, Cherokee, Cleburne, Etowah, St. Clair, Talladega	3 hr
Mar 17, 10:30 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Lee, Macon, Tallapoosa	75 min
Mar 17, 10:43 PM CDT	Tornado Warning	BMX	Coosa	6 min
Mar 17, 11:34 PM CDT	Special Weather Statement	BMX	Lee, Russell	41 min
Mar 18, 2:46 AM CDT	Special Weather Statement	BMX	Russell	44 min
Mar 18, 3:06 AM CDT	Wind Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	16 hr
Mar 18, 8:31 AM CDT	Areal Flood Warning	BMX	Cherokee	55 hr
Mar 18, 9:50 AM CDT	River Flood Warning	BMX	Jefferson, Tuscaloosa, Walker	36 hr

Nearby

River Flood Warnings in Alabama, 2021 Every river flood warning 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.