Flood Statement
Issued by NWS Sioux Falls, SD

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315
WGUS83 KFSD 011445
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
945 AM CDT SUN MAY 1 2016

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

  Vermillion River Near Wakonda
  Big Sioux River At Hawarden
  Big Sioux River At Akron
  Ocheyedan River Near Spencer
  Little Sioux River Above Spencer
  Little Sioux River At Spencer
  Little Sioux River Near Milford
  Little Sioux River At Linn Grove
  Little Sioux River At Cherokee

.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://www.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.

&&

SDC027-021845-
/O.EXT.KFSD.FL.W.0015.000000T0000Z-160507T0000Z/
/WKAS2.2.ER.000000T0000Z.160503T1200Z.160506T0000Z.NR/
945 AM CDT SUN MAY 1 2016

The Flood Warning continues for
  The Vermillion River Near Wakonda.
* Until Friday evening.
* At 8PM Saturday the stage was 16.4 feet.
* Flood stage is 14.0 feet.
* Forecast...The river will crest near 16.7 feet by Tuesday May 3.
  The river will fall below flood stage Thursday May 5.
* At stages near 16.5 feet...Water reaches the bottom of the bridge
  on 461st Avenue northeast of Colfax Corner, and major flooding of
  agricultural land south of Davis begins.

&&

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

$$

IAC041-021845-
/O.EXT.KFSD.FL.W.0012.000000T0000Z-160506T0200Z/
/SPOI4.2.ER.160428T1205Z.160502T0000Z.160505T0200Z.NO/
945 AM CDT SUN MAY 1 2016

The Flood Warning continues for
  The Ocheyedan River Near Spencer.
* Until Thursday evening.
* At 8AM Sunday the stage was 9.3 feet.
* Flood stage is 8.0 feet.
* Forecast...The river will crest near 9.5 feet by Monday May 2. The
  river will fall below flood stage Wednesday May 4.
* 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

$$

IAC041-059-021845-
/O.CON.KFSD.FL.W.0014.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.160428T0912Z.160501T1215Z.000000T0000Z.NO/
945 AM CDT SUN MAY 1 2016

The Flood Warning continues for
  The Little Sioux River Near Milford.
* Until further notice.
* At 8AM Sunday the stage was 13.7 feet.
* Flood stage is 12.0 feet.
* At stages near 14.0 feet...Significant amounts of pasture and other
  farm lands begin to flood.

&&

LAT...LON 4350 9533 4350 9526 4334 9519 4334 9516
          4328 9517 4329 9524

$$

IAC041-059-021845-
/O.EXT.KFSD.FL.W.0016.000000T0000Z-160503T1200Z/
/LSSI4.1.ER.000000T0000Z.160501T1800Z.160503T0600Z.UU/
945 AM CDT SUN MAY 1 2016

The Flood Warning continues for
  The Little Sioux River Above Spencer.
* Until Tuesday morning.
* At 9AM Sunday the stage was 11.0 feet.
* Flood stage is 10.0 feet.
* At stages near 10.0 feet...Minor flooding of agricultural lands
  begins.

&&

LAT...LON 4329 9524 4328 9517 4324 9523 4315 9512
          4315 9518 4324 9529

$$

IAC041-021845-
/O.CON.KFSD.FL.W.0007.000000T0000Z-000000T0000Z/
/SPWI4.1.ER.160427T2052Z.160502T0000Z.000000T0000Z.NO/
945 AM CDT SUN MAY 1 2016

The Flood Warning continues for
  The Little Sioux River At Spencer.
* Until further notice.
* At 8AM Sunday the stage was 12.6 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will crest near 12.8 feet by Monday May 2
  then begin falling.
* 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

$$

IAC021-041-021845-
/O.CON.KFSD.FL.W.0008.000000T0000Z-000000T0000Z/
/LNNI4.2.ER.160426T0325Z.160504T0600Z.000000T0000Z.NO/
945 AM CDT SUN MAY 1 2016

The Flood Warning continues for
  The Little Sioux River At Linn Grove.
* Until further notice.
* At 9AM Sunday the stage was 19.6 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will crest near 19.9 feet by Wednesday May 4
  then begin falling.
* At stages near 20.0 feet...Significant flooding of agricultural
  land begins along this entire stretch of the river.

&&

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

$$

IAC035-021845-
/O.CON.KFSD.FL.W.0009.000000T0000Z-000000T0000Z/
/CHKI4.1.ER.160428T1151Z.160503T0000Z.000000T0000Z.NO/
945 AM CDT SUN MAY 1 2016

The Flood Warning continues for
  The Little Sioux River At Cherokee.
* Until further notice.
* At 11PM Saturday the stage was 18.2 feet.
* Flood stage is 17.0 feet.
* Forecast...The river will crest near 19.3 feet by Monday May 2
  then begin falling.
* At stages near 19.0 feet...The north bank of the river overflows.

&&

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

$$

IAC167-SDC083-127-021845-
/O.CON.KFSD.FL.W.0010.000000T0000Z-160506T0600Z/
/HAWI4.1.ER.160429T1203Z.160503T1200Z.160505T0600Z.NO/
945 AM CDT SUN MAY 1 2016

The Flood Warning continues for
  The Big Sioux River At Hawarden.
* Until late Thursday night.
* At 8AM Sunday the stage was 15.6 feet.
* Flood stage is 15.0 feet.
* Forecast...The river will crest near 16.3 feet by Tuesday May 3.
  The river will fall below flood stage Thursday May 5.
* At stages near 15.0 feet...Agricultural flooding begins on the
  South Dakota side of the river.

&&

LAT...LON 4303 9654 4303 9647 4296 9645 4296 9657


$$

IAC149-SDC127-021845-
/O.EXT.KFSD.FL.W.0011.000000T0000Z-160507T0824Z/
/AKRI4.1.ER.160429T1515Z.160502T0000Z.160506T0824Z.NO/
945 AM CDT SUN MAY 1 2016

The Flood Warning continues for
  The Big Sioux River At Akron.
* Until late Friday night.
* At 9AM Sunday the stage was 17.7 feet.
* Flood stage is 16.0 feet.
* Forecast...The river will crest near 17.8 feet by Monday May 2.
  The river will fall below flood stage Friday May 6.
* 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

$$

&&
LOCATION FLOOD  LATEST OBSERVED  MAXIMUM FORECAST  RECENT OBSERVED
         STAGE  STAGE  TIME      STAGE  TIME       CREST TIME

VERMILLION RIVER
WKAS2    14.0   16.42 Sat  8 PM  16.7  Tue 7 AM

OCHEYEDAN RIVER
SPOI4     8.0    9.31 Sun  9 AM   9.5  Sun 7 PM

LITTLE SIOUX RIVER
MIFI4    12.0   13.72 Sun  8 AM                    13.8  Sun May 1
LSSI4    10.0   10.97 Sun  9 AM  11.0  Sun 1 PM
SPWI4    10.0   12.64 Sun  8 AM  12.8  Sun 7 PM
LNNI4    18.0   19.61 Sun  9 AM  19.9  Wed 1 AM
CHKI4    17.0   18.23 Sat 11 PM  19.3  Mon 7 PM

BIG SIOUX RIVER
HAWI4    15.0   15.59 Sun  8 AM  16.3  Tue 7 AM
AKRI4    16.0   17.71 Sun  9 AM  17.8  Sun 7 PM

TRM



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