Alert archive / Alabama / River Flood Warnings in 2021

River Flood Warning 41, NWS Birmingham, AL

May 4, 2021Jefferson County, Tuscaloosa County, Walker County, Alabama

NWS Birmingham, AL issued this river flood warning at May 4, 2021, 9:40 PM CDT for Jefferson County, Tuscaloosa County, Walker County, Alabama. It took effect at May 5, 2021, 5:42 PM CDT. It was in force for 16 hr.

The area

The outline as issued.

The facts

Issued: May 4, 2021, 9:40 PM CDT (02:40 UTC)
In effect from: May 5, 2021, 5:42 PM CDT
Expired: May 6, 2021, 9:59 AM CDT
In force: 16 hr
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Flood severity: Minor

Counties Jefferson County, AL, Tuscaloosa County, AL, Walker County, AL

The radar

The Birmingham radar (KBMX), 58 km from the middle of the area, began a volume at 02:38 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 Locust Fork at Sayre (SAYA1). The gauge peaked at 24.73 ft at May 6, 2021, 12:00 AM CDT.

Action stage: 25 ft
Minor stage: 25 ft
Moderate stage: 45 ft
Major stage: 49 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02456500, 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.

448 
WGUS44 KBMX 050240
FLWBMX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Birmingham AL
940 PM CDT Tue May 4 2021

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

  Locust Fork At Sayre affecting Tuscaloosa, Walker and Jefferson 
  Counties.

.Heavy rainfall over the past 24 hours has led to water level rises 
along the Black Warrior River basin. A flood warning is now in 
effect for
Locust Fork At Sayre.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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

&&


ALC073-125-127-051445-
/O.NEW.KBMX.FL.W.0041.210506T0049Z-210507T0753Z/
/SAYA1.1.ER.210506T0049Z.210506T0600Z.210506T1952Z.NO/
940 PM CDT Tue May 4 2021

The National Weather Service in Birmingham has issued a

* Flood Warning for
  the Locust Fork At Sayre.
* From Wednesday evening to late Thursday night.
* At 9:00 PM CDT Tuesday the stage was 12.9 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow evening to a crest of 26.9 feet early Thursday morning. 
  It will then fall below flood stage early Thursday afternoon.
* Impact...At 25.0 feet,  Flooding of low lying wood lands and 
  agricultural lands along the Locust Fork occurs.


&&

LAT...LON 3371 8694 3358 8705 3345 8733 3347 8737
      3361 8714 3372 8698

$$

40/Sizemore

4 follow-up statements

619 
WGUS84 KBMX 051529
FLSBMX

Flood Statement
National Weather Service Birmingham AL
1029 AM CDT Wed May 5 2021

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

  Locust Fork At Sayre affecting Tuscaloosa, Walker and Jefferson 
  Counties.

.Flooding continues on the Black Warrior River on the Locust Frok at 
Sayre 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.

&&


ALC073-125-127-060330-
/O.EXT.KBMX.FL.W.0041.210505T2152Z-210507T0000Z/
/SAYA1.1.ER.210505T2152Z.210506T0600Z.210506T1200Z.NO/
1029 AM CDT Wed May 5 2021

...The Flood Warning is now in effect until tomorrow evening...

The Flood Warning continues for
  the Locust Fork At Sayre.
* From this afternoon to Thursday evening.
* At 9:00 AM CDT Wednesday the stage was 22.2 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early 
  this evening to a crest of 25.9 feet after midnight tonight. It 
  will then fall below flood stage on Thursday morning.
* Impact...At 25.0 feet,  Flooding of low lying wood lands and 
  agricultural lands along the Locust Fork occurs.


&&

LAT...LON 3371 8694 3358 8705 3345 8733 3347 8737
      3361 8714 3372 8698

$$

08

145 
WGUS84 KBMX 051703
FLSBMX

Flood Statement
National Weather Service Birmingham AL
1203 PM CDT Wed May 5 2021

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

  Locust Fork At Sayre affecting Tuscaloosa, Walker and Jefferson 
  Counties.

.Flooding continues on the Black Warrior River on the Locust Fork at 
Sayre 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 late tonight, or sooner if 
conditions warrant.

&&


ALC073-125-127-060515-
/O.EXT.KBMX.FL.W.0041.210505T2242Z-210507T0037Z/
/SAYA1.1.ER.210505T2242Z.210506T0600Z.210506T1237Z.NO/
1203 PM CDT Wed May 5 2021

...The Flood Warning is now in effect until tomorrow evening...

The Flood Warning continues for
  the Locust Fork At Sayre.
* From this afternoon to Thursday evening.
* At 10:00 AM CDT Wednesday the stage was 22.6 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early 
  this evening and then to a crest of 25.9 feet after midnight 
  tonight. It will then fall below flood stage on Thursday morning.
* Impact...At 25.0 feet,  Flooding of low lying wood lands and 
  agricultural lands along the Locust Fork occurs.


&&

LAT...LON 3371 8694 3358 8705 3345 8733 3347 8737
      3361 8714 3372 8698

$$

08

995 
WGUS84 KBMX 060121
FLSBMX

Flood Statement
National Weather Service Birmingham AL
821 PM CDT Wed May 5 2021

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

  Locust Fork At Sayre affecting Tuscaloosa, Walker and Jefferson 
  Counties.

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

  Black Warrior River At Selden Lock and Dam affecting Greene, 
  Marengo and Hale Counties.

.Flooding continues on the Black Warrior 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 Thursday morning, or sooner if 
conditions warrant.

&&


ALC073-125-127-061330-
/O.EXT.KBMX.FL.W.0041.000000T0000Z-210507T0055Z/
/SAYA1.1.ER.210506T0510Z.210506T1200Z.210506T1255Z.NO/
821 PM CDT Wed May 5 2021

...The Flood Warning is now in effect until tomorrow evening...

The Flood Warning continues for
  the Locust Fork At Sayre.
* Until Thursday evening.
* At 7:00 PM CDT Wednesday the stage was 24.4 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just 
  after midnight tonight to a crest of 25.2 feet tomorrow morning. 
  It will then fall below flood stage tomorrow morning.
* Impact...At 25.0 feet,  Flooding of low lying wood lands and 
  agricultural lands along the Locust Fork occurs.


&&

LAT...LON 3371 8694 3358 8705 3345 8733 3347 8737
      3361 8714 3372 8698

$$

ALC063-065-091-061330-
/O.EXT.KBMX.FL.W.0043.210506T1113Z-210509T1000Z/
/WLDA1.1.ER.210506T1113Z.210507T1200Z.210508T2200Z.NO/
821 PM CDT Wed May 5 2021

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

The Flood Warning continues for
  the Black Warrior River At Selden Lock and Dam.
* From Thursday morning to late Saturday night.
* At 8:00 PM CDT Wednesday the stage was 85.6 feet.
* Flood stage is 90.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow morning to a crest of 92.7 feet Friday morning. It will 
  then fall below flood stage Saturday afternoon.
* Impact...At 90.0 feet, Pasture and wood lands begin to flood. 
  Livestock should be moved to higher ground at stages above 90 feet.


&&

LAT...LON 3277 8782 3256 8769 3251 8782 3261 8784
      3272 8790 3281 8789

$$

507 
WGUS84 KBMX 061459
FLSBMX

Flood Statement
National Weather Service Birmingham AL
959 AM CDT Thu May 6 2021

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

  Locust Fork At Sayre affecting Tuscaloosa, Walker and Jefferson 
  Counties.

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

ALC073-125-127-061600-
/O.CAN.KBMX.FL.W.0041.000000T0000Z-210506T1459Z/
/SAYA1.1.ER.210506T0510Z.210506T1200Z.210506T1255Z.NO/
959 AM CDT Thu May 6 2021

...The Flood Warning for the Locust Fork At Sayre has been 
cancelled...

The Flood Warning is cancelled for
  the Locust Fork At Sayre.
* At 9:00 AM CDT Thursday the stage was 23.4 feet.
* Flood stage is 25.0 feet.
* Forecast...The river is expected to continue to fall to 6.9 feet 
  Tuesday morning.


&&

LAT...LON 3371 8694 3358 8705 3345 8733 3347 8737
      3361 8714 3372 8698

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 7:06 PM CDT	Areal Flood Warning	BMX	Bibb, Tuscaloosa	6 hr
May 4, 7:06 PM CDT	Severe Thunderstorm Warning	BMX	Russell	54 min
May 4, 7:12 PM CDT	Areal Flood Warning	BMX	Jefferson, St. Clair, Shelby	6 hr
May 4, 7:21 PM CDT	Severe Thunderstorm Warning	BMX	Barbour	54 min
May 4, 7:22 PM CDT	Areal Flood Warning	BMX	Shelby, Talladega	6 hr
May 4, 7:29 PM CDT	Areal Flood Advisory	BMX	Clay, Coosa, Tallapoosa	33 min
May 4, 8:02 PM CDT	Areal Flood Warning	BMX	Clay, Coosa, Tallapoosa	4 hr
May 4, 8:05 PM CDT	Areal Flood Advisory	BMX	Chambers, Randolph, Tallapoosa	4 hr
May 4, 9:21 PM CDT	River Flood Warning	BMX	Bibb, Dallas, Perry	47 hr
May 4, 9:21 PM CDT	River Flood Warning	BMX	Dallas, Perry	4 days
May 4, 9:23 PM CDT	River Flood Warning	BMX	Chilton, Coosa, Elmore, Shelby, Talladega	30 hr
May 4, 9:41 PM CDT	River Flood Warning	BMX	Greene, Pickens, Sumter	13 hr
May 4, 9:41 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo	3 days
May 5, 4:34 AM CDT	River Flood Warning	BMX	Chambers, Randolph, Tallapoosa	23 hr
May 5, 9:44 AM CDT	River Flood Warning	BMX	Elmore, Montgomery	59 hr
May 5, 9:54 AM CDT	River Flood Warning	BMX	Autauga, Dallas, Elmore, Lowndes, Montgomery	34 hr
May 5, 6:59 PM CDT	River Flood Warning	BMX	Chilton, Coosa, St. Clair, Shelby, Talladega	61 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.