Alert archive / South Dakota / River Flood Warnings in 2020

River Flood Warning 21, NWS Sioux Falls, SD

March 7, 2020Union County, South Dakota; Plymouth County, Iowa

NWS Sioux Falls, SD issued this river flood warning at Mar 7, 2020, 3:51 AM CST for Union County, South Dakota; Plymouth County, Iowa. It was in force for 31 hr.

The area

The outline as issued.

The facts

Issued
Mar 7, 2020, 3:51 AM CST (09:51 UTC)
Expired
Mar 8, 2020, 11:57 AM CDT
In force
31 hr
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Flood severity
Minor

Counties Plymouth County, IA, Union County, SD

The radar

The Sioux Falls radar (KFSD), 83 km from the middle of the area, began a volume at 09:50 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 Big Sioux River at Akron (AKRI4).

Action stage
14 ft
Minor stage
16 ft
Moderate stage
18 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06485500, 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.

661 
WGUS43 KFSD 070951
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Sioux Falls SD
351 AM CST Sat Mar 7 2020

...The National Weather Service in Sioux Falls has issued a flood 
warning for the following rivers in Iowa...South Dakota...

  Big Sioux River At Akron
  Little Sioux River near Montgomery
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

IAC149-SDC127-081351-
/O.NEW.KFSD.FL.W.0021.200307T0951Z-200310T1200Z/
/AKRI4.1.ER.200307T0845Z.200308T1200Z.200309T1200Z.NO/
351 AM CST Sat Mar 7 2020

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Big Sioux River At Akron.
* until Tuesday morning.
* At 03AM Saturday the stage was   16.00 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is   16.00 feet.
* Forecast...The river will crest near 16.2 feet by Sunday March 08. 
  The river will fall below flood stage Monday March 09.
* At stages near 16.0 feet...Several farm levees are overtopped with 
significant flooding of agricultural lands. 

&&
 
LAT...LON 4291 9658 4291 9649 4281 9654 4277 9659
          4278 9665

$$

IAC059-081350-
/O.NEW.KFSD.FL.W.0022.200307T0951Z-000000T0000Z/
/MLSI4.1.ER.200306T2245Z.200307T0630Z.000000T0000Z.NO/
351 AM CST Sat Mar 7 2020

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Little Sioux River near Montgomery.
* until further notice.
* At 03AM Saturday the stage was 1391.29 feet.
* Flood stage is 1391.00 feet.
* At stages near 1392 feet...170th Avenue north of Highway 9 begins 
to flood. 

&&
 
LAT...LON 4354 9523 4354 9518 4347 9519 4341 9524
          4343 9528 4349 9523

$$

&& 
Location Flood    Latest Observed   Maximum Forecast  Recent Observed
         Stage    Stage  Time       Stage  Time       Crest Time

BIG SIOUX RIVER
AKRI4    16.0      16.00 Sat 3 AM    16.2  Sun 7 AM 
07

LITTLE SIOUX RIVER
MLSI4    1391.0   1391.29 Sat 3 AM
2 follow-up statements
627 
WGUS83 KFSD 071637
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
1037 AM CST Sat Mar 7 2020

...The Flood Warning continues for the following rivers in South 
Dakota...Iowa...

  James River Above Yankton
  Firesteel Creek Near Mount Vernon
  Big Sioux River below Dell Rapids
  Big Sioux River At Akron
  
...The Flood Warning continues for the following rivers in South 
Dakota...Iowa...Minnesota...

  James River At Huron
  James River Near Forestburg
  James River At Mitchell
  James River Near Scotland
  Vermillion River Near Davis
  Vermillion River Near Wakonda
  Big Sioux River Near Brookings
  Big Sioux River At Sioux Falls I-90
  Little Sioux River near Montgomery
  Little Sioux River near Milford
  West Fork Des Moines River near Avoca
  West Fork Des Moines River Near Windom
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

SDC005-082037-
/O.CON.KFSD.FL.W.0010.000000T0000Z-000000T0000Z/
/HURS2.3.ER.200305T0930Z.200312T0600Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The James River At Huron.
* until further notice.
* At 10AM Saturday the stage was 12.63 feet.
* Minor flooding is occurring and Major flooding is forecast.
* Flood stage is 11.00 feet.
* Recent activity...The river rose above flood stage on Thursday 
  March 05.
* Forecast...The river will crest near 16.4 feet by Thursday March 12
  then begin falling.
* At stages near 16.5 feet...Jersey, Riverside, and Sherman will 
  begin flooding. 

&&
 
LAT...LON 4463 9833 4463 9821 4449 9810 4420 9810
          4420 9822 4447 9824

$$

SDC111-082037-
/O.CON.KFSD.FL.W.0007.000000T0000Z-000000T0000Z/
/FORS2.2.ER.200302T0425Z.200314T0600Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The James River Near Forestburg.
* until further notice.
* At 09AM Saturday the stage was 14.19 feet.
* Moderate flooding is occurring and Moderate flooding is forecast.
* Flood stage is 12.00 feet.
* Recent activity...The river rose above flood stage on Sunday March 
  01.
* Forecast...The river will continue rising to near 15.5 feet by 
  Saturday March 14. Additional rises may be possible thereafter.
* At stages near 16.0 feet...Most of the flood plain is under water, 
and the water reaches the bottom of the bridge on Highway 34. 

&&
 
LAT...LON 4420 9822 4420 9810 4402 9802 4393 9798
          4393 9812 4409 9816

$$

SDC035-061-082037-
/O.CON.KFSD.FL.W.0006.000000T0000Z-000000T0000Z/
/JRMS2.2.ER.200226T1615Z.200313T1800Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The James River At Mitchell.
* until further notice.
* At 09AM Saturday the stage was 19.77 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Flood stage is 17.00 feet.
* Forecast...The river will continue rising to near 21.3 feet by 
  Friday March 13. Additional rises may be possible thereafter.
* At stages near 21.5 feet...Shannard Road is flooded. 

&&
 
LAT...LON 4393 9812 4393 9798 4370 9789 4340 9763
          4338 9777 4351 9797

$$

SDC067-135-082037-
/O.CON.KFSD.FL.W.0009.000000T0000Z-000000T0000Z/
/SCOS2.2.ER.200303T1345Z.200314T1200Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The James River Near Scotland.
* until further notice.
* At 09AM Saturday the stage was 14.55 feet.
* Moderate flooding is occurring and Moderate flooding is forecast.
* Flood stage is   13.00 feet.
* Recent activity...The river rose above flood stage on Tuesday March
  03.
* Forecast...The river will continue rising to near 14.6 feet by 
  Sunday March 08. Additional rises may be possible thereafter.
* At stages near 15.5 feet...431st Avenue is flooded where it crosses
the river in northwestern Yankton County. 

&&
 
LAT...LON 4338 9777 4340 9763 4321 9755 4308 9736
          4308 9750 4317 9769

$$

SDC135-082037-
/O.EXT.KFSD.FL.W.0011.200308T0600Z-000000T0000Z/
/YNNS2.1.ER.200308T0600Z.200309T1800Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The James River Above Yankton.
* from late tonight until further notice.
* At 10AM Saturday the stage was 11.52 feet.
* Minor flooding is forecast.
* Flood stage is 12.00 feet.
* Forecast...Rise above flood stage by Sunday March 08 and crest near
  12.5 feet by Tuesday March 10. Additional rises may be possible 
  thereafter.
* At stages near 12.0 feet...Significant agricultural flooding 
begins. 

&&
 
LAT...LON 4308 9750 4308 9736 4298 9731 4287 9722
          4287 9737 4298 9741

$$

SDC125-082037-
/O.CON.KFSD.FL.W.0012.000000T0000Z-000000T0000Z/
/DVSS2.1.ER.000000T0000Z.200308T1800Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The Vermillion River Near Davis.
* until further notice.
* At 08AM Saturday the stage was 12.20 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 11.00 feet.
* Forecast...The river will continue rising to near 12.4 feet by 
  Sunday March 08. Additional rises may be possible thereafter.
* At stages near 12.0 feet...Highway 18 west of Davis will begin 
flooding, and several houses in the western parts of Davis are in 
danger of flooding. 

&&
 
LAT...LON 4340 9710 4340 9704 4327 9696 4318 9689
          4310 9694 4310 9703

$$

SDC027-082037-
/O.CON.KFSD.FL.W.0013.000000T0000Z-000000T0000Z/
/WKAS2.2.ER.200307T1200Z.200311T0000Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The Vermillion River Near Wakonda.
* until further notice.
* At 06AM Saturday the stage was 14.00 (Estimated) feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Flood stage is 14.00 feet.
* Recent activity...The river rose above flood stage on Saturday 
  March 07.
* Forecast...The river will crest near 15.6 feet by Wednesday March 
  11. Additional rises may be possible thereafter.
* At stages near 15.5 feet...Water reaches the bottom of the bridge 
on highway 19 near Lodi, and 306th Street near Hub City will flood 
along with several other county roads. 

&&
 
LAT...LON 4310 9703 4310 9694 4291 9690 4291 9701
          4295 9700 4300 9704

$$

SDC011-101-082037-
/O.CON.KFSD.FL.W.0017.000000T0000Z-000000T0000Z/
/BRKS2.2.ER.200307T2000Z.200311T0600Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The Big Sioux River Near Brookings.
* until further notice.
* At 09AM Saturday the stage was 8.75 feet.
* Moderate flooding is forecast.
* Flood stage is 9.00 feet.
* Forecast...Rise above flood stage by Saturday March 07 and crest 
  near 11.3 feet by Wednesday March 11. Additional rises may be possible 
  thereafter.
* At stages near 11.0 feet...Some farm outbuildings begin to flood. 

&&
 
LAT...LON 4417 9678 4420 9675 4414 9659 4410 9658
          4410 9666 4411 9666

$$

SDC099-101-082037-
/O.EXT.KFSD.FL.W.0019.200310T1800Z-000000T0000Z/
/DERS2.1.ER.200310T1800Z.200312T0600Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The Big Sioux River below Dell Rapids.
* from Tuesday afternoon until further notice.
* At 09AM Saturday the stage was 9.65 feet.
* Minor flooding is forecast.
* Flood stage is 12.00 feet.
* Forecast...Rise above flood stage by Tuesday March 10 and continue 
  to rise to near 12.6 feet by Thursday March 12. Additional rises 
  are possible thereafter.
* At stages near 12.0 feet...Agricultural lands along the lower banks
of the river begin to flood. 

&&
 
LAT...LON 4382 9674 4381 9672 4369 9671 4369 9676
          4373 9678 4379 9676

$$

SDC099-082037-
/O.CON.KFSD.FL.W.0014.000000T0000Z-000000T0000Z/
/SFLS2.1.ER.200305T1149Z.200312T0600Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The Big Sioux River At Sioux Falls I-90.
* until further notice.
* At 10AM Saturday the stage was 12.83 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.00 feet.
* Forecast...The river will continue rising to near 14.1 feet by 
  Thursday March 12. Additional rises may be possible thereafter.
* At stages near 15.0 feet...Some farm buildings between Renner and 
Sioux Falls are threatened by high water. 

&&
 
LAT...LON 4369 9676 4369 9671 4362 9672 4358 9672
          4356 9672 4357 9674 4359 9673 4360 9675
          4363 9676

$$

IAC149-SDC127-082037-
/O.EXT.KFSD.FL.W.0021.000000T0000Z-200309T1200Z/
/AKRI4.1.ER.200307T0845Z.200307T1415Z.200308T1200Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The Big Sioux River At Akron.
* until Monday morning.
* At 10AM Saturday the stage was 16.00 feet.
* Flood stage is 16.00 feet.
* Recent activity...The river rose above flood stage on Saturday 
  March 07.
* Forecast...The river will continue to fall to below flood stage by 
  Sunday March 08.
* At stages near 16.0 feet...Several farm levees are overtopped with 
significant flooding of agricultural lands. 

&&
 
LAT...LON 4291 9658 4291 9649 4281 9654 4277 9659
          4278 9665

$$

MNC101-082037-
/O.CON.KFSD.FL.W.0016.000000T0000Z-000000T0000Z/
/AVOM5.2.ER.200304T2333Z.200306T2000Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The West Fork Des Moines River near Avoca.
* until further notice.
* At 09AM Saturday the stage was 1426.36 feet.
* Flood stage is 1425.00 feet.
* At stages near 1426 feet...Significant amounts of crop and pasture 
land are flooded. 

&&
 
LAT...LON 4406 9571 4411 9564 4389 9537 4382 9533
          4386 9546 4396 9557

$$

MNC033-063-082037-
/O.CON.KFSD.FL.W.0020.000000T0000Z-000000T0000Z/
/WDOM5.1.ER.200306T2058Z.200307T1500Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The West Fork Des Moines River Near Windom.
* until further notice.
* At 09AM Saturday the stage was 19.59 feet.
* Flood stage is 19.00 feet.
* Recent activity...The river rose above flood stage on Friday March 
  06.
* At stages near 19.0 feet...Minor lowland flooding begins along the 
lower east bank. 

&&
 
LAT...LON 4382 9533 4389 9537 4398 9521 4375 9499
          4375 9512 4388 9520

$$

SDC035-082037-
/O.EXT.KFSD.FL.W.0008.000000T0000Z-200310T0200Z/
/MTVS2.1.ER.200302T1023Z.200304T0330Z.200309T0200Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The Firesteel Creek Near Mount Vernon.
* until Monday evening.
* At 09AM Saturday the stage was 9.30 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 8.00 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Sunday March 08.
* At stages near 8.0 feet...The right bank overflows. 

&&
 
LAT...LON 4383 9850 4392 9842 4381 9829 4379 9807
          4373 9805 4374 9831

$$

IAC059-082037-
/O.CON.KFSD.FL.W.0022.000000T0000Z-000000T0000Z/
/MLSI4.1.ER.200306T2245Z.200307T0630Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The Little Sioux River near Montgomery.
* until further notice.
* At 10AM Saturday the stage was 1391.19 feet.
* Flood stage is 1391.00 feet.
* Recent activity...The river rose above flood stage on Friday March 
  06.
* At stages near 1391 feet...Crop and pasture land begin to flood. 

&&
 
LAT...LON 4354 9523 4354 9518 4347 9519 4341 9524
          4343 9528 4349 9523

$$

IAC041-059-082037-
/O.CON.KFSD.FL.W.0015.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.200305T0307Z.200307T0815Z.000000T0000Z.NO/
1037 AM CST Sat Mar 7 2020

The Flood Warning continues for
  The Little Sioux River near Milford.
* until further notice.
* At 09AM Saturday the stage was 13.37 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.00 feet.
* Forecast...The river will continue to fall to a stage of 13.0 feet 
  by 7 AM Sunday.
* At stages near 14.0 feet...Significant amounts of pasture and other
farm lands begin to flood. 

&&
 
LAT...LON 4341 9527 4341 9521 4334 9520 4331 9515
          4324 9517 4329 9524

$$

&& 
Location Flood    Latest Observed   Maximum Forecast  Recent Observed
         Stage    Stage  Time       Stage  Time       Crest Time

JAMES RIVER
HURS2    11.0   12.63 Sat 10 AM     16.4  Thu 1 AM   12.6  Sat Mar 07
FORS2    12.0   14.19 Sat 10 AM     15.5  Sat 1 AM   14.2  Sat Mar 07
JRMS2    17.0   19.77 Sat 10 AM     21.3  Fri 1 PM   20.1  Thu Mar 05
SCOS2    13.0   14.55 Sat 9 AM      14.9  Sat 7 AM   14.6  Sat Mar 07
YNNS2    12.0   11.52 Sat 10 AM     12.5  Mon 1 PM   11.5  Sat Mar 07

VERMILLION RIVER
DVSS2    11.0   12.20 Sat 9 AM      12.4  Sun 1 PM   12.2  Sat Mar 07
WKAS2    14.0   E14.00 Sat 6 AM      15.6  Tue 7 PM  14.0  Sat Mar 07

BIG SIOUX RIVER
BRKS2    9.0     8.75 Sat 10 AM     11.3  Wed 1 AM    8.8  Sat Mar 07
DERS2    12.0    9.65 Sat 9 AM      12.6  Thu 1 AM   10.0  Thu Mar 05
SFLS2    12.0   12.83 Sat 10 AM     14.1  Thu 1 AM   12.9  Sat Mar 07
AKRI4    16.0   16.00 Sat 10 AM     16.0  Sat 12 PM  16.0  Sat Mar 07

WEST FORK DES MOINES RIVER
AVOM5    1425.0   1426.36 Sat 9 AM        M       1426.7  Fri Mar 06
WDOM5    19.0     19.59 Sat 9 AM          M         19.6  Sat Mar 07

FIRESTEEL CREEK
MTVS2    8.0      9.30 Sat 9 AM      9.2  Sat 12 PM   11.5  Wed Mar 04

LITTLE SIOUX RIVER
MLSI4    1391.0   1391.19 Sat 10 AM       M         1391.3  Sat Mar 07
MIFI4      12.0   13.37 Sat 9 AM   13.1  Sat 12 PM    13.6  Sat Mar 07
583 
WGUS83 KFSD 081657
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
1157 AM CDT Sun Mar 8 2020

...The Flood Warning is cancelled for the following river in Iowa...
South Dakota...

  Big Sioux River At Akron
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
The Big Sioux River at Akron has fallen below flood stage and river 
levels are expected to continue to slowly fall over the next few days.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

IAC149-SDC127-081727-
/O.CAN.KFSD.FL.W.0021.000000T0000Z-200309T1200Z/
/AKRI4.1.ER.200307T0845Z.200307T1415Z.000000T0000Z.NO/
1157 AM CDT Sun Mar 8 2020

The Flood Warning is cancelled for
  The Big Sioux River At Akron.
* At 11AM Sunday the stage was 15.80 feet.
* Flood stage is 16.00 feet.
* Forecast...The river will continue to slowly fall over the next 
  few days. 
* At stages near 16.0 feet...Several farm levees are overtopped with 
significant flooding of agricultural lands. 

&&
 
LAT...LON 4291 9658 4291 9649 4281 9654 4277 9659
          4278 9665

$$

&& 
Location Flood    Latest Observed   Maximum Forecast  Recent Observed
         Stage    Stage  Time       Stage  Time       Crest Time

BIG SIOUX RIVER
AKRI4    16.0     15.80 Sun 11 AM   15.8  Sun 1 PM   16.0  Sat Mar 07

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 7, 3:51 AM CSTRiver Flood WarningFSDDickinson32 hr

Nearby

River Flood Warnings in South Dakota, 2020River Flood Warnings in Iowa, 2020Every river flood warning in 2020

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.