Alert archive / Alabama / River Flood Warnings in 2021
River Flood Warning 11, NWS Birmingham, AL
NWS Birmingham, AL issued this river flood warning at Mar 25, 2021, 9:01 PM CDT for Bibb County, Jefferson County, Shelby County, Alabama. It took effect at Mar 26, 2021, 12:40 AM CDT. It was in force for 21 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 25, 2021, 9:01 PM CDT (02:01 UTC)
- In effect from
- Mar 26, 2021, 12:40 AM CDT
- Expired
- Mar 26, 2021, 9:20 PM CDT
- In force
- 21 hr
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Bibb County, AL, Jefferson County, AL, Shelby County, AL
The radar
The Birmingham radar (KBMX), 23 km from the middle of the area, began a volume at 02:04 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 Cahaba River near Cahaba Heights (CHGA1). The gauge peaked at 15.17 ft at Mar 26, 2021, 9:00 AM CDT.
- Action stage
- 14 ft
- Minor stage
- 14 ft
- Moderate stage
- 22 ft
- Major stage
- 24 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 02423425, 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.
791
WGUS44 KBMX 260201
FLWBMX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Birmingham AL
901 PM CDT Thu Mar 25 2021
...The National Weather Service in Birmingham AL has issued a Flood
Warning for the following rivers in Alabama...
Cahaba River Near Cahaba Heights affecting Bibb, Jefferson and
Shelby Counties.
.Heavy rainfall of 3 to 5 inches has occurred today over the Cahaba
River basin and a flood warning is now in effect for the Cahaba
River .
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.
&&
ALC007-073-117-261415-
/O.NEW.KBMX.FL.W.0011.210326T0540Z-210327T0810Z/
/CHGA1.1.ER.210326T0540Z.210326T1200Z.210326T2009Z.UU/
901 PM CDT Thu Mar 25 2021
The National Weather Service in Birmingham has issued a
* Flood Warning for
the Cahaba River Near Cahaba Heights.
* From late tonight to late Friday night.
* At 8:30 PM CDT Thursday the stage was 6.2 feet.
* Flood stage is 14.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just
after midnight tonight to a crest of 17.0 feet tomorrow morning.
It will then fall below flood stage tomorrow afternoon.
* Impact...At 17.0 feet, Flooding of some commercial property in the
area begins as stages continues to rise.
&&
LAT...LON 3340 8673 3336 8677 3333 8684 3335 8684
3340 8677 3342 8674
$$4 follow-up statements
558
WGUS84 KBMX 260322
FLSBMX
Flood Statement
National Weather Service Birmingham AL
1022 PM CDT Thu Mar 25 2021
...The Flood Warning is extended for the following rivers in
Alabama...
Cahaba River Near Cahaba Heights affecting Bibb, Jefferson and
Shelby Counties.
.Flooding continues on the Cahaba River and a flood warning remains
in effect.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Another statement will be issued by Friday morning, or sooner if
conditions warrant.
&&
ALC007-073-117-261530-
/O.EXT.KBMX.FL.W.0011.210326T1015Z-210327T1210Z/
/CHGA1.1.ER.210326T1015Z.210326T1800Z.210327T0010Z.UU/
1022 PM CDT Thu Mar 25 2021
...The Flood Warning is now in effect until Saturday morning...
The Flood Warning continues for
the Cahaba River Near Cahaba Heights.
* From late tonight to Saturday morning.
* At 9:30 PM CDT Thursday the stage was 7.2 feet.
* Flood stage is 14.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tonight to a crest of 15.3 feet early tomorrow afternoon. It will
then fall below flood stage tomorrow evening.
* Impact...At 14.0 feet, Minor flooding occurs in the Cahaba Heights
area.
&&
LAT...LON 3340 8673 3336 8677 3333 8684 3335 8684
3340 8677 3342 8674
$$476
WGUS84 KBMX 260435
FLSBMX
Flood Statement
National Weather Service Birmingham AL
1135 PM CDT Thu Mar 25 2021
...The Flood Warning continues for the following rivers in Alabama...
Cahaba River Near Cahaba Heights affecting Bibb, Jefferson and
Shelby Counties.
.Flooding continues on the Cahaba 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 Friday morning, or sooner if
conditions warrant.
&&
ALC007-073-117-261645-
/O.CON.KBMX.FL.W.0011.210326T1015Z-210327T1210Z/
/CHGA1.1.ER.210326T1015Z.210326T1800Z.210327T0010Z.UU/
1135 PM CDT Thu Mar 25 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Cahaba River Near Cahaba Heights.
* From late tonight to Saturday morning.
* At 10:30 PM CDT Thursday the stage was 8.6 feet.
* Flood stage is 14 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tonight to a crest of 15.3 feet early tomorrow afternoon. It will
then fall below flood stage tomorrow evening.
* Impact...At 14 feet, Minor flooding occurs in the Cahaba Heights
area.
&&
LAT...LON 3340 8673 3336 8677 3333 8684 3335 8684
3340 8677 3342 8674
$$
86/Martin330
WGUS84 KBMX 261451
FLSBMX
Flood Statement
National Weather Service Birmingham AL
951 AM CDT Fri Mar 26 2021
...The Flood Warning continues for the following rivers in Alabama...
Cahaba River Near Cahaba Heights affecting Bibb, Jefferson and
Shelby Counties.
.Flooding continues on the Cahaba River and a flood warning remains
in effect.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Another statement will be issued by this evening, or sooner if
conditions warrant.
&&
ALC007-073-117-270300-
/O.EXT.KBMX.FL.W.0011.000000T0000Z-210327T1138Z/
/CHGA1.1.ER.210326T0920Z.210326T1800Z.210326T2338Z.UU/
951 AM CDT Fri Mar 26 2021
...The Flood Warning is now in effect until tomorrow morning...
The Flood Warning continues for
the Cahaba River Near Cahaba Heights.
* Until Saturday morning.
* At 9:30 AM CDT Friday the stage was 15.1 feet.
* Flood stage is 14.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 15.6 feet
this afternoon. It will then fall below flood stage this evening.
* Impact...At 17.0 feet, Flooding of some commercial property in the
area begins as stages continues to rise.
&&
LAT...LON 3340 8673 3336 8677 3333 8684 3335 8684
3340 8677 3342 8674
$$
05620
WGUS84 KBMX 270220
FLSBMX
Flood Statement
National Weather Service Birmingham AL
920 PM CDT Fri Mar 26 2021
...The Flood Warning is cancelled for the following rivers in
Alabama...
Cahaba River Near Cahaba Heights affecting Bibb, Jefferson and
Shelby Counties.
.The Cahaba River has fallen below flood stage, so the flood
warning has been cancelled.
ALC007-073-117-270330-
/O.CAN.KBMX.FL.W.0011.000000T0000Z-210327T0220Z/
/CHGA1.1.ER.210326T0920Z.210326T1800Z.210326T2338Z.UU/
920 PM CDT Fri Mar 26 2021
...The Flood Warning for the Cahaba River Near Cahaba Heights has
been cancelled...
The Flood Warning is cancelled for
the Cahaba River Near Cahaba Heights.
* At 8:30 PM CDT Friday the stage was 8.0 feet.
* Flood stage is 14.0 feet.
* Forecast...The river will rise to 9.1 feet just after midnight
tonight. It will then fall to 3.6 feet and begin rising again
early Monday morning. It will rise to 3.7 feet Monday evening. It
will then fall again and remain below flood stage.
&&
LAT...LON 3340 8673 3336 8677 3333 8684 3335 8684
3340 8677 3342 8674
$$The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 7:04 PM CDT | Special Weather Statement | BMX | Calhoun | 26 min |
| Mar 25, 7:07 PM CDT | Tornado Warning | BMX | Marengo | 24 min |
| Mar 25, 7:10 PM CDT | Special Weather Statement | BMX | Hale | 50 min |
| Mar 25, 7:16 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Hale | 32 min |
| Mar 25, 7:17 PM CDT | Areal Flood Advisory | BMX | Calhoun, Cherokee, Cleburne | 14 min |
| Mar 25, 7:31 PM CDT | Flash Flood Warning | BMX | Calhoun, Cherokee, Cleburne | 3 hr |
| Mar 25, 7:34 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Tuscaloosa | 23 min |
| Mar 25, 7:48 PM CDT | Special Weather Statement | BMX | Jefferson | 27 min |
| Mar 25, 8:28 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson, St. Clair | 28 min |
| Mar 25, 8:33 PM CDT | Severe Thunderstorm Warning | BMX | Chilton | 42 min |
| Mar 25, 8:51 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Etowah, St. Clair | 25 min |
| Mar 25, 8:58 PM CDT | Severe Thunderstorm Warning | BMX | Coosa | 49 min |
| Mar 25, 9:04 PM CDT | Tornado Warning | BMX | Chilton, Coosa | 32 min |
| Mar 25, 9:21 PM CDT | River Flood Warning | BMX | Jefferson, Tuscaloosa, Walker | 12 hr |
| Mar 25, 9:23 PM CDT | River Flood Warning | BMX | Jefferson, Tuscaloosa, Walker | 60 hr |
| Mar 25, 9:41 PM CDT | River Flood Warning | BMX | Greene, Hale, Tuscaloosa | 24 hr |
| Mar 25, 9:44 PM CDT | River Flood Warning | BMX | Greene, Hale, Marengo, Tuscaloosa | 60 hr |
| Mar 25, 9:47 PM CDT | River Flood Warning | BMX | Sumter | 12 hr |
| Mar 25, 9:49 PM CDT | River Flood Warning | BMX | Greene, Pickens, Sumter | 5 days |
| Mar 25, 9:51 PM CDT | Tornado Warning | BMX | Chambers, Clay, Randolph, Tallapoosa | 54 min |
| Mar 25, 11:20 PM CDT | Areal Flood Warning | BMX | Blount, Jefferson, St. Clair | 6 hr |
| Mar 25, 11:55 PM CDT | River Flood Warning | BMX | Calhoun, Cherokee, Etowah, St. Clair | 58 hr |
| Mar 26, 5:26 AM CDT | River Flood Warning | BMX | Chilton, Coosa, Elmore, Shelby, Talladega | 4 days |
| Mar 26, 5:32 AM CDT | Areal Flood Warning | BMX | Cherokee | 6 days |
Nearby
River Flood Warnings in Alabama, 2021Every 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.