Alert archive / Texas / River Flood Warnings in 2021

River Flood Warning 86, NWS Shreveport, LA

May 14, 2021Cass County, Marion County, Texas

NWS Shreveport, LA issued this river flood warning at May 14, 2021, 8:04 PM CDT for Cass County, Marion County, Texas. It took effect at May 15, 2021, 7:00 AM CDT. It was in force for 14 hr.

The area

The outline as issued.

The facts

Issued
May 14, 2021, 8:04 PM CDT (01:04 UTC)
In effect from
May 15, 2021, 7:00 AM CDT
Expired
May 15, 2021, 8:43 PM CDT
In force
14 hr
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Flood severity
Minor

Counties Cass County, TX, Marion County, TX

The radar

The Shreveport radar (KSHV), 69 km from the middle of the area, began a volume at 01:08 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 Black Cypress Bayou near Jefferson (JEFT2). The gauge peaked at 12.98 ft at May 15, 2021, 8:00 AM CDT.

actionminormoderate1214161805/1505/1605/17
Action stage
12.5 ft
Minor stage
13 ft
Moderate stage
18 ft
Major stage
21 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07346045, 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.

532 
WGUS44 KSHV 150104
FLWSHV

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Shreveport LA
804 PM CDT Fri May 14 2021

...The National Weather Service in Shreveport LA has issued a Flood 
Warning for the following rivers in Texas...

  Black Cypress Bayou At Jefferson affecting Marion and Cass 
  Counties.

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.

&&

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


TXC067-315-160115-
/O.NEW.KSHV.FL.W.0086.210515T1200Z-210516T0600Z/
/JEFT2.1.ER.210515T1200Z.210515T1200Z.210515T1200Z.NO/
804 PM CDT Fri May 14 2021

The National Weather Service in Shreveport has issued a

* Flood Warning for
  the Black Cypress Bayou At Jefferson.
* From Saturday morning to late Saturday night.
* At 7:00 PM CDT Friday the stage was 12.7 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 13.0 feet 
  tomorrow morning.
* Impact...At 13.0 feet, Lowland flooding will affect mainly timber 
  resources.


&&

LAT...LON 3297 9448 3275 9425 3275 9433 3278 9440
      3289 9450

$$
2 follow-up statements
612 
WGUS84 KSHV 151321
FLSSHV

Flood Statement
National Weather Service Shreveport LA
821 AM CDT Sat May 15 2021

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

  Black Cypress Bayou At Jefferson affecting Marion and Cass 
  Counties.

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.

&&

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


TXC067-315-161330-
/O.EXT.KSHV.FL.W.0086.000000T0000Z-210517T0000Z/
/JEFT2.1.ER.210515T1800Z.210515T1800Z.210516T0600Z.NO/
821 AM CDT Sat May 15 2021

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

The Flood Warning continues for
  the Black Cypress Bayou At Jefferson.
* Until Sunday evening.
* At 8:00 AM CDT Saturday the stage was 13.0 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to remain near 13.0 feet this 
  afternoon. It will then fall below flood stage just after midnight 
  tonight. Additional rises possible due to anticipated rainfall.
* Impact...At 13.0 feet, Lowland flooding will affect mainly timber 
  resources.


&&

LAT...LON 3297 9448 3275 9425 3275 9433 3278 9440
      3289 9450

$$

25
941 
WGUS84 KSHV 160143 RRA
FLSSHV

Flood Statement
National Weather Service Shreveport LA
843 PM CDT Sat May 15 2021

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

  Black Cypress Bayou At Jefferson affecting Marion and Cass 
  Counties.

TXC067-315-160245-
/O.CAN.KSHV.FL.W.0086.000000T0000Z-210516T0143Z/
/JEFT2.1.ER.210515T1800Z.210515T1800Z.210516T0600Z.NO/
843 PM CDT Sat May 15 2021

...The Flood Warning for the Black Cypress Bayou At Jefferson has 
been cancelled...

The Flood Warning is cancelled for
  the Black Cypress Bayou At Jefferson.
* At 8:00 PM CDT Saturday the stage was 12.9 feet.
* Flood stage is 13.0 feet.
* Forecast...The river is expected to fall to 11.0 feet Thursday 
  evening.


&&

LAT...LON 3297 9448 3275 9425 3275 9433 3278 9440
      3289 9450

$$

Nearby

River Flood Warnings in Texas, 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.