Alert archive / Louisiana / River Flood Warnings in 2021
River Flood Warning 83, NWS Shreveport, LA
NWS Shreveport, LA issued this river flood warning at May 12, 2021, 10:24 AM CDT for 4 parishes in Louisiana. It took effect at May 12, 2021, 1:00 PM CDT. It was in force for 55 hr.
The area
The outline as issued.
The facts
- Issued
- May 12, 2021, 10:24 AM CDT (15:24 UTC)
- In effect from
- May 12, 2021, 1:00 PM CDT
- Expired
- May 14, 2021, 8:07 PM CDT
- In force
- 55 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Bienville Parish, LA, Bossier Parish, LA, Red River Parish, LA, Webster Parish, LA
The radar
The Shreveport radar (KSHV), 45 km from the middle of the area, began a volume at 15:27 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 Bayou Dorcheat at Lake Bistineau (LBUL1). The gauge peaked at 12.61 ft at May 12, 2021, 11:00 PM CDT.
- Action stage
- 142 ft
- Minor stage
- 142.5 ft
- Moderate stage
- 144 ft
- Major stage
- 145 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 07349250, 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.
575
WGUS44 KSHV 121524
FLWSHV
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Shreveport LA
1024 AM CDT Wed May 12 2021
...The National Weather Service in Shreveport LA has issued a Flood
Warning for the following bayou in Louisiana...
Bayou Dorcheat At Lake Bistineau affecting Webster, Bossier,
Bienville and Red River Parishes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive cars through flooded areas.
Caution is urged when walking near riverbanks.
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
For more hydrologic information, copy and paste the following website
address into your favorite web browser URL bar:
water.weather.gov/ahps2/index.php?wfo=shv
LAC013-015-081-119-131700-
/O.NEW.KSHV.FL.W.0083.210512T1800Z-000000T0000Z/
/LBUL1.1.ER.210512T1800Z.210512T1800Z.000000T0000Z.NO/
1024 AM CDT Wed May 12 2021
The National Weather Service in Shreveport has issued a
* Flood Warning for
the Bayou Dorcheat At Lake Bistineau.
* From this afternoon until further notice.
* At 10:00 AM CDT Wednesday the pool stage was 142.4 feet.
* Flood pool stage is 142.5 feet.
* Minor flooding is forecast.
* Forecast...The lake to rise and crest near 142.5 feet this
Wednesday afternoon.
* Impact...At 142.5 feet, Expect some minor flooding of low area
camps, however, all access roadways will remain open.
&&
LAT...LON 3253 9331 3240 9334 3239 9343 3240 9345
3253 9335
$$
085 follow-up statements
539
WGUS84 KSHV 130348
FLSSHV
Flood Statement
National Weather Service Shreveport LA
1048 PM CDT Wed May 12 2021
...The Flood Warning continues for the following bayou in
Louisiana...
Bayou Dorcheat At Lake Bistineau affecting Webster, Bossier,
Bienville and Red River Parishes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive cars through flooded areas.
Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
&&
For more hydrologic information, copy and paste the following website
address into your favorite web browser URL bar:
water.weather.gov/ahps2/index.php?wfo=shv
LAC013-015-081-119-140400-
/O.CON.KSHV.FL.W.0083.000000T0000Z-000000T0000Z/
/LBUL1.1.ER.210513T0600Z.210513T0600Z.000000T0000Z.NO/
1048 PM CDT Wed May 12 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Bayou Dorcheat At Lake Bistineau.
* Until further notice.
* At 8:00 PM CDT Wednesday the pool stage was 142.5 feet.
* Flood pool stage is 142.5 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just
after midnight tonight and continue rising to 142.5 feet early
Thursday morning. Additional rises are possible thereafter.
* Impact...At 142.5 feet, Expect some minor flooding of low area
camps, however, all access roadways will remain open.
&&
LAT...LON 3253 9331 3240 9334 3239 9343 3240 9345
3253 9335
$$
16365
WGUS84 KSHV 131452
FLSSHV
Flood Statement
National Weather Service Shreveport LA
952 AM CDT Thu May 13 2021
...The Flood Warning continues for the following bayou in
Louisiana...Arkansas...
Bayou Dorcheat At Lake Bistineau affecting Webster, Bossier,
Bienville and Red River Parishes.
Bayou Dorcheat At Dixie Inn affecting Webster, Bossier and
Bienville Parishes.
Bayou Dorcheat Near Springhill affecting Webster Parish and
Columbia
county.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive cars through flooded areas.
Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
&&
For more hydrologic information, copy and paste the following website
address into your favorite web browser URL bar:
water.weather.gov/ahps2/index.php?wfo=shv
LAC013-015-081-119-141630-
/O.CON.KSHV.FL.W.0083.000000T0000Z-000000T0000Z/
/LBUL1.1.ER.210513T0230Z.210513T1230Z.000000T0000Z.NO/
952 AM CDT Thu May 13 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Bayou Dorcheat At Lake Bistineau.
* Until further notice.
* At 9:00 AM CDT Thursday the pool stage was 142.5 feet.
* Flood pool stage is 142.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum lake stage in the 24 hours ending at
9:00 AM CDT Thursday was 142.5 feet.
* Forecast...The lake is expected to remain steady at 142.5 feet
through Friday morning.
* Impact...At 142.5 feet, Expect some minor flooding of low area
camps, however, all access roadways will remain open.
&&
LAT...LON 3253 9331 3240 9334 3239 9343 3240 9345
3253 9335
$$
LAC013-015-119-141630-
/O.CON.KSHV.FL.W.0080.000000T0000Z-000000T0000Z/
/MNEL1.1.ER.210513T1100Z.210515T0000Z.000000T0000Z.NO/
952 AM CDT Thu May 13 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Bayou Dorcheat At Dixie Inn.
* Until further notice.
* At 9:00 AM CDT Thursday the stage was 14.2 feet.
* Flood stage is 14 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum bayou stage in the 24 hours ending
at 9:00 AM CDT Thursday was 14.2 feet.
* Forecast...The bayou is expected to rise to a crest of 15.5 feet
Friday evening.
* Impact...At 14.0 feet, Expect minor lowland flooding with the boat
ramp suffering overflow.
&&
LAT...LON 3282 9332 3253 9331 3253 9336 3259 9335
3282 9338
$$
ARC027-LAC119-141630-
/O.CON.KSHV.FL.W.0043.000000T0000Z-000000T0000Z/
/SPHL1.1.ER.210425T1400Z.210515T1200Z.000000T0000Z.NO/
952 AM CDT Thu May 13 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Bayou Dorcheat Near Springhill.
* Until further notice.
* At 9:00 AM CDT Thursday the stage was 12.5 feet.
* Flood stage is 11 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum bayou stage in the 24 hours ending
at 9:00 AM CDT Thursday was 12.5 feet.
* Forecast...The upper Bayou Dorcheat is expected to rise to a crest
of 14.0 feet Saturday morning.
* Impact...At 13 feet, Minor lowland flooding of private boat ramps.
Move livestock to higher ground.
&&
LAT...LON 3310 9337 3300 9335 3282 9332 3282 9338
3300 9343
$$
08540
WGUS84 KSHV 140159
FLSSHV
Flood Statement
National Weather Service Shreveport LA
859 PM CDT Thu May 13 2021
...The Flood Warning continues for the following rivers in
Louisiana...
Bayou Dorcheat At Lake Bistineau affecting Webster, Bossier,
Bienville and Red River Parishes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive cars through flooded areas.
Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
&&
For more hydrologic information, copy and paste the following website
address into your favorite web browser URL bar:
water.weather.gov/ahps2/index.php?wfo=shv
LAC013-015-081-119-150200-
/O.CON.KSHV.FL.W.0083.000000T0000Z-000000T0000Z/
/LBUL1.1.ER.210513T0230Z.210513T1230Z.000000T0000Z.NO/
859 PM CDT Thu May 13 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Bayou Dorcheat At Lake Bistineau.
* Until further notice.
* At 8:00 PM CDT Thursday the stage was 142.5 feet.
* Flood stage is 142.5 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to 142.5 feet tonight.
Additional rises are possible thereafter.
* Impact...At 142.5 feet, Expect some minor flooding of low area
camps, however, all access roadways will remain open.
&&
LAT...LON 3253 9331 3240 9334 3239 9343 3240 9345
3253 9335
$$
19499
WGUS84 KSHV 141316
FLSSHV
Flood Statement
National Weather Service Shreveport LA
816 AM CDT Fri May 14 2021
...The Flood Warning continues for the following rivers in
Louisiana...Arkansas...
Bayou Dorcheat At Lake Bistineau affecting Webster, Bossier,
Bienville and Red River Parishes.
Bayou Dorcheat At Dixie Inn affecting Webster, Bossier and
Bienville Parishes.
Bayou Dorcheat Near Springhill affecting Webster and Columbia
Parishes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive cars through flooded areas.
Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
&&
For more hydrologic information, copy and paste the following website
address into your favorite web browser URL bar:
water.weather.gov/ahps2/index.php?wfo=shv
LAC013-015-081-119-151330-
/O.CON.KSHV.FL.W.0083.000000T0000Z-000000T0000Z/
/LBUL1.1.ER.210513T0230Z.210513T1230Z.000000T0000Z.NO/
816 AM CDT Fri May 14 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Bayou Dorcheat At Lake Bistineau.
* Until further notice.
* At 7:00 AM CDT Friday the stage was 142.4 feet.
* Flood stage is 142.5 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
afternoon and continue rising to 142.5 feet this afternoon.
Additional rises are possible thereafter.
* Impact...At 142.5 feet, Expect some minor flooding of low area
camps, however, all access roadways will remain open.
&&
LAT...LON 3253 9331 3240 9334 3239 9343 3240 9345
3253 9335
$$
LAC013-015-119-151330-
/O.CON.KSHV.FL.W.0080.000000T0000Z-000000T0000Z/
/MNEL1.1.ER.210513T1100Z.210515T0000Z.000000T0000Z.NO/
816 AM CDT Fri May 14 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Bayou Dorcheat At Dixie Inn.
* Until further notice.
* At 8:00 AM CDT Friday the stage was 14.8 feet.
* Flood stage is 14.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 8:00 AM CDT Friday was 14.9 feet.
* Forecast...The river is expected to rise to a crest of 15.5 feet
this evening.
* Impact...At 14.0 feet, Expect minor lowland flooding with the boat
ramp suffering overflow.
&&
LAT...LON 3282 9332 3253 9331 3253 9336 3259 9335
3282 9338
$$
ARC027-LAC119-151330-
/O.CON.KSHV.FL.W.0043.000000T0000Z-000000T0000Z/
/SPHL1.1.ER.210425T1400Z.210515T1200Z.000000T0000Z.NO/
816 AM CDT Fri May 14 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Bayou Dorcheat Near Springhill.
* Until further notice.
* At 7:00 AM CDT Friday the stage was 13.5 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 7:00 AM CDT Friday was 13.5 feet.
* Forecast...The river is expected to rise to a crest of 14.0 feet
tomorrow morning.
* Impact...At 13.0 feet, expect minor lowland flooding of private
boat ramps. Livestock may need to be moved to higher ground.
&&
LAT...LON 3310 9337 3300 9335 3282 9332 3282 9338
3300 9343
$$969
WGUS84 KSHV 150107 RRA
FLSSHV
Flood Statement
National Weather Service Shreveport LA
807 PM CDT Fri May 14 2021
...The Flood Warning is cancelled for the following rivers in
Louisiana...
Bayou Dorcheat At Lake Bistineau affecting Webster, Bossier,
Bienville and Red River Parishes.
LAC013-015-081-119-150215-
/O.CAN.KSHV.FL.W.0083.000000T0000Z-210515T0107Z/
/LBUL1.1.ER.210513T0230Z.210513T1230Z.000000T0000Z.NO/
807 PM CDT Fri May 14 2021
...The Flood Warning for the Bayou Dorcheat At Lake Bistineau has
been cancelled...
The Flood Warning is cancelled for
the Bayou Dorcheat At Lake Bistineau.
* At 7:00 PM CDT Friday the stage was 142.4 feet.
* Flood stage is 142.5 feet.
* Forecast...The river is expected to fall to 141.9 feet Wednesday
evening.
&&
LAT...LON 3253 9331 3240 9334 3239 9343 3240 9345
3253 9335
$$The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 5:19 AM CDT | River Flood Warning | SHV | Bienville, Bossier, Webster | 21 days |
| May 12, 7:11 AM CDT | River Flood Warning | SHV | Caddo | 37 hr |
Nearby
River Flood Warnings in Louisiana, 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.