Flood Statement
Issued by NWS Sioux Falls, SD

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000
WGUS83 KFSD 201555
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
1055 AM CDT Fri Apr 20 2018

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

  James River Near Forestburg
  James River At Mitchell
  James River Near Scotland
  James River Above Yankton
  Firesteel Creek Near Mount Vernon
  Vermillion River Near Davis
  Vermillion River Near Wakonda
  Big Sioux River Near Brookings
  Big Sioux River Near Dell Rapids
  Big Sioux River At Sioux Falls I-90
  Big Sioux River above Hawarden
  Big Sioux River At Akron
  Rock River At Rock Rapids
  Ocheyedan River Near Spencer
  Little Sioux River At Spencer
  Little Sioux River At Linn Grove
  Little Sioux River At Cherokee
  Redwood River Near Marshall

.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest
forecasts.

As the snow pack from recent storms continues melting today and into
this weekend with mild temperatures, the runoff will cause significant
rises on the area rivers and streams. Some of this melting is occurring
a little faster than previously forecast, so the rises have been
adjusted to happen faster and higher. Most flooding will only be in the
minor category, but a few may reach moderate.

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.

&&

SDC111-211955-
/O.EXT.KFSD.FL.W.0054.180423T1400Z-180428T0300Z/
/FORS2.1.ER.180423T1400Z.180425T0000Z.180427T0300Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The James River Near Forestburg.
* From Monday morning to Friday April 27.
* At 9 AM Friday the stage was 7.3 feet.
* Minor flooding is forecast.
* Flood stage is 12.0 feet.
* At stages near 12.0 feet...Flooding begins over the left bank
  and a few county or township roads begin to flood.

&&

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

$$

SDC035-061-211955-
/O.EXT.KFSD.FL.W.0055.180423T0400Z-000000T0000Z/
/JRMS2.1.ER.180423T0400Z.180426T0000Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The James River At Mitchell.
* From Sunday evening until further notice.
* At 9 AM Friday the stage was 13.5 feet.
* Minor flooding is forecast.
* Flood stage is 17.0 feet.
* Forecast...Rise above flood stage by Sunday April 22 and continue
  to rise to near 19.3 feet by Wednesday April 25. Additional rises
  are possible thereafter.
* At stages near 20.0 feet...The higher banks overflow.

&&

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

$$

SDC067-135-211955-
/O.EXT.KFSD.FL.W.0056.180421T0400Z-000000T0000Z/
/SCOS2.2.ER.180421T0400Z.180426T0000Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The James River Near Scotland.
* From this evening until further notice.
* At 9 AM Friday the stage was 11.9 feet.
* Moderate flooding is forecast.
* Flood stage is 13.0 feet.
* Forecast...Rise above flood stage by Friday April 20 and continue
  to rise to near 15.3 feet by Wednesday April 25. Additional rises
  are 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

$$

SDC135-211955-
/O.EXT.KFSD.FL.W.0061.180424T1800Z-000000T0000Z/
/YNNS2.1.ER.180424T1800Z.180427T1200Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The James River Above Yankton.
* From Tuesday afternoon until further notice.
* At 10 AM Friday the stage was 7.9 feet.
* Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...Rise above flood stage by Tuesday April 24 and continue
  to rise to near 13.7 feet by Friday April 27. Additional rises are
  possible thereafter.

&&

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

$$

SDC125-211955-
/O.EXT.KFSD.FL.W.0062.180423T0400Z-000000T0000Z/
/DVSS2.1.ER.180423T0400Z.180425T0000Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The Vermillion River Near Davis.
* From Sunday evening until further notice.
* Flood stage is 11.0 feet.
* At stages near 12.0 feet...Highway 18 west of Davis will be
  flooded, 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

$$

SDC027-211955-
/O.CON.KFSD.FL.W.0063.180422T0430Z-000000T0000Z/
/WKAS2.2.ER.180422T0430Z.180427T0000Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The Vermillion River Near Wakonda.
* From Saturday evening until further notice.
* At 7 AM Friday the stage was 10.9 (Estimated) feet.
* Moderate flooding is forecast.
* Flood stage is 14.0 feet.
* Forecast...Rise above flood stage by Saturday April 21 and
  continue to rise to near 15.5 feet by Thursday April 26.
  Additional rises are 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

$$

SDC011-101-211955-
/O.EXT.KFSD.FL.W.0049.180421T0600Z-000000T0000Z/
/BRKS2.2.ER.180421T0600Z.180423T0600Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

...Flood Warning extended until further notice...
The Flood Warning continues for
  The Big Sioux River Near Brookings.
* From late tonight until further notice.
* At 9 AM Friday the stage was 8.2 feet.
* Moderate flooding is forecast.
* Flood stage is 9.0 feet.
* Forecast...Rise above flood stage by Saturday April 21 and
  continue to rise to near 10.8 feet by Monday April 23.
  Additional rises are possible thereafter.
* At stages near 11.0 feet...Some farm outbuildings begin to flood.

&&

LAT...LON 4432 9692 4432 9685 4421 9675 4414 9661
          4410 9665 4420 9683

$$

SDC099-101-211955-
/O.EXT.KFSD.FL.W.0050.180421T0800Z-000000T0000Z/
/DERS2.1.ER.180421T0800Z.180424T0000Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

...Flood Warning extended until further notice...
The Flood Warning continues for
  The Big Sioux River Near Dell Rapids.
* From late tonight until further notice.
* At 9 AM Friday the stage was 10.1 feet.
* Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...Rise above flood stage by Saturday April 21 and
  continue to rise to near 13.0 feet by Monday April 23.
  Additional rises are possible thereafter.
* At stages near 14.0 feet...Significant amounts of agricultural
  lands are flooded through the basin.

&&

LAT...LON 4394 9673 4394 9665 4379 9665 4379 9672
          4370 9672 4370 9679

$$

SDC099-211955-
/O.EXT.KFSD.FL.W.0051.180420T1524Z-000000T0000Z/
/SFLS2.1.ER.180420T1500Z.180423T1200Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

...Flood Warning extended until further notice...
The Flood Warning continues for
  The Big Sioux River At Sioux Falls I-90.
* From this morning until further notice.
* At 10 AM Friday the stage was 12.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Recent activity...The river rose above flood stage on
  Friday April 20.
* Forecast...The river will continue rising to near 13.6 feet by
  Monday April 23. Additional rises may be possible thereafter.
* At stages near 14.0 feet...Some farm buildings between Renner
  and Sioux Falls are threatened by high water.

&&

LAT...LON 4370 9679 4370 9672 4361 9674 4360 9674
          4360 9676 4366 9676

$$

IAC149-167-SDC127-211955-
/O.EXT.KFSD.FL.W.0052.180421T2200Z-000000T0000Z/
/HWDI4.1.ER.180421T2200Z.180424T1800Z.000000T0000Z.UU/
1055 AM CDT Fri Apr 20 2018

...Flood Warning extended until further notice...
The Flood Warning continues for
  The Big Sioux River above Hawarden.
* From Saturday afternoon until further notice.
* At 9 AM Friday the stage was 19.8 feet.
* Minor flooding is forecast.
* Flood stage is 20.5 feet.
* Forecast...Rise above flood stage by Saturday April 21 and
  continue to rise to near 23.2 feet by Tuesday April 24.
  Additional rises are possible thereafter.
* At stages near 23.0 feet...South Dakota Highway 46 begins
  to flood.


&&

LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
          4303 9654 4312 9654

$$

IAC149-SDC127-211955-
/O.EXT.KFSD.FL.W.0053.180422T1200Z-000000T0000Z/
/AKRI4.2.ER.180422T1200Z.180425T1200Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

...Flood Warning extended until further notice...
The Flood Warning continues for
  The Big Sioux River At Akron.
* From Sunday morning until further notice.
* At 10 AM Friday the stage was 15.4 feet.
* Moderate flooding is forecast.
* Flood stage is 16.0 feet.
* Forecast...Rise above flood stage by Sunday April 22 and
  continue to rise to near 18.0 feet by Wednesday April 25.
  Additional rises are possible thereafter.
* At stages near 17.0 feet...About 6500 acres of farm land
  are flooded.

&&

LAT...LON 4296 9657 4296 9645 4286 9652 4273 9648
          4273 9669 4277 9667

$$

SDC035-211955-
/O.EXT.KFSD.FL.W.0057.180422T0730Z-180428T0900Z/
/MTVS2.1.ER.180422T0730Z.180424T0600Z.180427T0900Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The Firesteel Creek Near Mount Vernon.
* From late Saturday night to Saturday April 28.
* At 9 AM Friday the stage was 3.9 feet.
* Minor flooding is forecast.
* Flood stage is 8.0 feet.

&&

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

$$

IAC119-211955-
/O.EXT.KFSD.FL.W.0058.180421T2230Z-180425T1200Z/
/RAPI4.1.ER.180421T2230Z.180423T0000Z.180424T1200Z.NO/
1055 AM CDT Fri Apr 20 2018

...Flood Warning extended until Wednesday April 25...
The Flood Warning continues for
  The Rock River At Rock Rapids.
* From Saturday afternoon to Wednesday morning.
* At 9 AM Friday the stage was 10.7 feet.
* Minor flooding is forecast.
* Flood stage is 13.0 feet.
* At stages near 13.0 feet...The lower banks on the left
  side of the river will begin flooding.

&&

LAT...LON 4350 9625 4350 9614 4338 9611 4331 9618
          4334 9625 4341 9619

$$

IAC041-211955-
/O.EXT.KFSD.FL.W.0059.180422T1030Z-180426T0900Z/
/SPOI4.1.ER.180422T1030Z.180423T1200Z.180425T0900Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The Ocheyedan River Near Spencer.
* From late Saturday night to late Wednesday night.
* At 9 AM Friday the stage was 5.9 feet.
* Minor flooding is forecast.
* Flood stage is 8.0 feet.
* At stages near 9.5 feet...Significant amounts of pasture
  and other farm land begin flooding.

&&

LAT...LON 4318 9540 4318 9533 4315 9520 4313 9513
          4312 9524 4315 9540

$$

IAC041-211955-
/O.CON.KFSD.FL.W.0046.000000T0000Z-000000T0000Z/
/SPWI4.1.ER.180414T0415Z.180423T1800Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The Little Sioux River At Spencer.
* Until further notice.
* At 9 AM Friday the stage was 11.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 10.0 feet.
* Forecast...The river will continue rising to near 12.7 feet
  by Monday April 23. Additional rises may be possible thereafter.
* At stages near 14.0 feet...City sewers in Spencer can begin
  to back up. Highway 18 between Spencer and Dickens can start
  flooding, if flows on the tributary creeks are also very high.

&&

LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
          4302 9510 4310 9510

$$

IAC021-041-211955-
/O.CON.KFSD.FL.W.0047.000000T0000Z-000000T0000Z/
/LNNI4.1.ER.180418T0405Z.180425T1200Z.000000T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The Little Sioux River At Linn Grove.
* Until further notice.
* At 10 AM Friday the stage was 18.2 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 18.0 feet.
* Forecast...The river will continue rising to near 19.1 feet by
  Wednesday April 25. Additional rises may be possible thereafter.
* At stages near 18.5 feet...The city park in Sioux Rapids is
  flooded.

&&

LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
          4296 9543 4293 9520

$$

IAC035-211955-
/O.EXT.KFSD.FL.W.0060.180423T0600Z-180426T0000Z/
/CHKI4.1.ER.180423T0600Z.180423T1800Z.180425T0000Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The Little Sioux River At Cherokee.
* From late Sunday night to Wednesday evening.
* At 9 AM Friday the stage was 14.9 feet.
* Minor flooding is forecast.
* Flood stage is 17.0 feet.
* At stages near 17.0 feet...Minor lowland flooding begins, and
  Cherokee County Rescue mobilizes and sets up the flood control
  center.

&&

LAT...LON 4296 9543 4291 9539 4265 9557 4256 9569
          4256 9578 4270 9564

$$

MNC083-211955-
/O.EXT.KFSD.FL.W.0064.180422T2230Z-180424T2100Z/
/MSHM5.1.ER.180422T2230Z.180423T0600Z.180423T2100Z.NO/
1055 AM CDT Fri Apr 20 2018

The Flood Warning continues for
  The Redwood River Near Marshall.
* From Sunday afternoon to Tuesday afternoon.
* At 9 AM Friday the stage was 10.5 feet.
* Minor flooding is forecast.
* Flood stage is 14.0 feet.
* At stages near 14.0 feet...There will be minor flooding of low
  lying areas outside of Marshall.

&&

LAT...LON 4436 9585 4441 9591 4453 9579 4453 9559
          4448 9559 4448 9572

$$

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

JAMES RIVER
FORS2    12.0    7.33 Fri 9 AM    12.9  Tue 7 PM
JRMS2    17.0   13.51 Fri 10 AM   19.3  Wed 7 PM
SCOS2    13.0   11.93 Fri 9 AM    15.3  Wed 7 PM
YNNS2    12.0    7.91 Fri 10 AM   13.7  Fri 7 AM

VERMILLION RIVER
DVSS2    11.0                     12.2  Tue 7 PM
WKAS2    14.0   E10.90 Fri 7 AM   15.5  Thu 7 PM

BIG SIOUX RIVER
BRKS2     9.0    8.18 Fri 10 AM   10.8  Mon 1 AM
DERS2    12.0   10.05 Fri 10 AM   13.0  Mon 7 PM
SFLS2    12.0   12.00 Fri 10 AM   13.6  Mon 7 AM
HWDI4    20.5   19.83 Fri 9 AM    23.2  Tue 1 PM
AKRI4    16.0   15.43 Fri 10 AM   18.0  Wed 7 AM

FIRESTEEL CREEK
MTVS2     8.0    3.87 Fri 9 AM     9.9  Tue 1 AM

ROCK RIVER
RAPI4    13.0   10.72 Fri 9 AM    13.9  Sun 7 PM

OCHEYEDAN RIVER
SPOI4     8.0    5.95 Fri 10 AM    8.9  Mon 7 AM

LITTLE SIOUX RIVER
SPWI4    10.0   10.98 Fri 9 AM    12.7  Mon 1 PM
LNNI4    18.0   18.18 Fri 10 AM   19.1  Wed 7 AM
CHKI4    17.0   14.93 Fri 9 AM    17.1  Mon 1 PM

REDWOOD RIVER
MSHM5    14.0   10.51 Fri 10 AM   14.3  Mon 1 AM

TRM


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