Alert archive / Iowa / River Flood Warnings in 2016

River Flood Warning 29, NWS Sioux Falls, SD

May 30, 2016Clay County, Iowa

NWS Sioux Falls, SD issued this river flood warning at May 30, 2016, 9:49 AM CDT for Clay County, Iowa. It took effect at Jun 1, 2016, 1:00 AM CDT. It was in force for 57 hr.

The area

The outline as issued.

The facts

Issued
May 30, 2016, 9:49 AM CDT (14:49 UTC)
In effect from
Jun 1, 2016, 1:00 AM CDT
Expired
Jun 3, 2016, 10:00 AM CDT
In force
57 hr
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Flood severity
Minor

County Clay County, IA

The radar

The Sioux Falls radar (KFSD), 125 km from the middle of the area, began a volume at 14:52 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 Ocheyedan River near Spencer (SPOI4). The gauge peaked at 7.94 ft at May 30, 2016, 6:00 PM CDT.

actionminormoderate681005/3005/3106/0106/0206/0306/04
Action stage
7 ft
Minor stage
8 ft
Moderate stage
9.5 ft
Major stage
10.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06605000, 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.

034 
WGUS43 KFSD 301449
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
949 AM CDT MON MAY 30 2016

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

  Big Sioux River At Hawarden
  Big Sioux River At Akron
  Ocheyedan River Near Spencer
  Little Sioux River Above Spencer
  Little Sioux River At Cherokee
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
Recent rainfall has resulted in rising river levels along the Big Sioux
River...Little Sioux River...and Ocheyedan River in southeast South Dakota
and northwest Iowa. Continued rises are expected over the next few days 
with additional rainfall forecast this afternoon and tonight.

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.

&&

IAC167-SDC083-127-311849-
/O.NEW.KFSD.FL.W.0027.160602T0600Z-000000T0000Z/
/HAWI4.1.ER.160602T0600Z.160603T0600Z.000000T0000Z.NO/
949 AM CDT MON MAY 30 2016

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Big Sioux River At Hawarden.
* From late Wednesday night until further notice.
* At 7AM Monday the stage was 13.0 (Estimated) feet.
* Minor flooding is forecast.
* Flood stage is 15.0 feet.
* Forecast...Rise above flood stage by 1 AM Thursday and crest near 
  15.9 feet by Friday June 3.
* 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-SDC127-311848-
/O.NEW.KFSD.FL.W.0028.160601T0800Z-160605T0834Z/
/AKRI4.1.ER.160601T0800Z.160603T0000Z.160604T0834Z.NO/
949 AM CDT MON MAY 30 2016

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Big Sioux River At Akron.
* From late Tuesday night to late Saturday night.
* At 9AM Monday the stage was 14.6 feet.
* Minor flooding is forecast.
* Flood stage is 16.0 feet.
* Forecast...Rise above flood stage by 3 AM Wednesday and crest near 
  17.1 feet by Thursday June 2.the river will fall below flood stage
  by Saturday June 4.
* 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

$$

IAC041-311848-
/O.NEW.KFSD.FL.W.0029.160601T0600Z-160603T1500Z/
/SPOI4.1.ER.160601T0600Z.160602T0000Z.160602T1500Z.NO/
949 AM CDT MON MAY 30 2016

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Ocheyedan River Near Spencer.
* From late Tuesday night to Friday morning.
* At 8AM Monday the stage was 7.8 feet.
* Minor flooding is forecast.
* Flood stage is 8.0 feet.
* Forecast...Rise above flood stage by 1 AM Wednesday and crest near 
  8.4 feet by Wednesday June 1. The river will fall below flood stage
  by Thursday June 2.
* At stages near 8.0 feet...Minor flooding of pasture land begins. 

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

$$

IAC041-059-311848-
/O.NEW.KFSD.FL.W.0030.160530T1449Z-160603T0600Z/
/LSSI4.1.ER.160530T1330Z.160601T1800Z.160603T0000Z.UU/
949 AM CDT MON MAY 30 2016

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Little Sioux River Above Spencer.
* Until late Thursday night.
* At 9AM Monday the stage was 10.0 feet.
* Minor flooding is forecast.
* 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

$$

IAC035-311848-
/O.NEW.KFSD.FL.W.0031.160601T1800Z-160603T1200Z/
/CHKI4.1.ER.160601T1800Z.160602T0000Z.160602T1200Z.NO/
949 AM CDT MON MAY 30 2016

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Little Sioux River At Cherokee.
* From Wednesday afternoon to Friday morning.
* At 8AM Monday the stage was 14.3 feet.
* Minor flooding is forecast.
* Flood stage is 17.0 feet.
* Forecast...Rise above flood stage by 1 PM Wednesday and crest near 
  17.1 feet by Wednesday June 1. The river will fall below flood 
  stage by Thursday June 2.
* 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

$$

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

BIG SIOUX RIVER
HAWI4    15.0   E13.00 Mon 7 AM  15.9  Fri 1 AM    
AKRI4    16.0    14.61 Mon 9 AM  17.1  Thu 7 PM    

OCHEYEDAN RIVER
SPOI4    8.0      7.79 Mon 9 AM   8.4  Wed 7 PM    

LITTLE SIOUX RIVER
LSSI4    10.0     9.99 Mon 9 AM  10.8  Wed 1 PM    
CHKI4    17.0    14.29 Mon 8 AM  17.1  Wed 7 PM    

TRM
2 follow-up statements
580 
WGUS83 KFSD 311402
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
902 AM CDT TUE MAY 31 2016

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

  Big Sioux River At Hawarden
  Big Sioux River At Akron
  Little Sioux River At Cherokee

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

  Ocheyedan River Near Spencer
  Little Sioux River Near Milford
  Little Sioux River Above Spencer
  Little Sioux River At Spencer
  Little Sioux River At Linn Grove
 
.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.

&&

IAC041-011802-
/O.EXT.KFSD.FL.W.0029.160601T1800Z-160603T0600Z/
/SPOI4.1.ER.160601T1800Z.160601T1800Z.160602T0600Z.NO/
902 AM CDT TUE MAY 31 2016

The Flood Warning continues for
  The Ocheyedan River Near Spencer.
* from Wednesday afternoon to late Thursday night.
* At 08AM Tuesday the stage was 7.5 feet.
* Flood stage is 8.0 feet.
* Forecast...The river is expected to crest near flood stage by 
  1 PM Wednesday.
* At stages near 8.0 feet...Minor flooding of pasture land begins. 

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

$$

IAC041-059-011802-
/O.CON.KFSD.FL.W.0026.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.160529T1115Z.160531T1300Z.000000T0000Z.NO/
902 AM CDT TUE MAY 31 2016

The Flood Warning continues for
  The Little Sioux River Near Milford.
* until further notice.
* At 08AM Tuesday the stage was 12.9 feet.
* Flood stage is 12.0 feet.
* At stages near 12.0 feet...Minor flooding of low lying agricultural
lands begins. 

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

$$

IAC041-059-011802-
/O.EXT.KFSD.FL.W.0030.000000T0000Z-160602T1500Z/
/LSSI4.1.ER.160530T1330Z.160601T0600Z.160602T0900Z.UU/
902 AM CDT TUE MAY 31 2016

The Flood Warning continues for
  The Little Sioux River Above Spencer.
* until Thursday morning.
* At 08AM Tuesday the stage was 10.1 feet.
* Flood stage is 10.0 feet.
* Recent activity...The river rose above flood stage on Monday May 
  30.
* Forecast...The river will crest near 10.6 feet tonight and fall 
  below flood stage on Thursday June 2.
* 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

$$

IAC041-011802-
/O.EXT.KFSD.FL.W.0023.000000T0000Z-160605T1200Z/
/SPWI4.1.ER.160525T1510Z.160601T0000Z.160604T1200Z.NO/
902 AM CDT TUE MAY 31 2016

The Flood Warning continues for
  The Little Sioux River At Spencer.
* until Sunday morning.
* At 08AM Tuesday the stage was 11.7 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will crest near 11.9 feet by Wednesday June 
  01. The river will fall below flood stage Saturday June 04.

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

$$

IAC021-041-011802-
/O.CON.KFSD.FL.W.0025.000000T0000Z-000000T0000Z/
/LNNI4.1.ER.160530T1107Z.160603T1200Z.000000T0000Z.NO/
902 AM CDT TUE MAY 31 2016

The Flood Warning continues for
  The Little Sioux River At Linn Grove.
* until further notice.
* At 08AM Tuesday the stage was 18.2 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will crest near 19.1 feet by Friday June 03 
  then begin falling.
* 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

$$

IAC035-311432-
/O.CAN.KFSD.FL.W.0031.000000T0000Z-160603T1200Z/
/CHKI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
902 AM CDT TUE MAY 31 2016

The Flood Warning is cancelled for
  The Little Sioux River At Cherokee.
* At 08AM Tuesday the stage was 14.6 feet.
* Flood stage is 17.0 feet.
* Forecast...The river will crest below flood stage at 16.5 feet 7 AM
  Sunday.
* 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

$$

IAC167-SDC083-127-311432-
/O.CAN.KFSD.FL.W.0027.000000T0000Z-160531T1402Z/
/HAWI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
902 AM CDT TUE MAY 31 2016

The Flood Warning is cancelled for
  The Big Sioux River At Hawarden.
* At 08AM Tuesday the stage was 13.0 feet.
* Flood stage is 15.0 feet.
* Forecast...The river will crest below flood stage at 13.1 feet 7 PM
  Thursday.

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


$$

IAC149-SDC127-311432-
/O.CAN.KFSD.FL.W.0028.000000T0000Z-160605T0834Z/
/AKRI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
902 AM CDT TUE MAY 31 2016

The Flood Warning is cancelled for
  The Big Sioux River At Akron.
* At 08AM Tuesday the stage was 15.1 feet.
* Flood stage is 16.0 feet.
* Forecast...The river will remain near 15 feet through Thursday. 

&&
 
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

OCHEYEDAN RIVER
SPOI4     8.0    7.49 Tue 9 AM     8.0  Wed 1 PM    

LITTLE SIOUX RIVER
MIFI4    12.0   12.91 Tue 8 AM                      12.9  Tue May 31
LSSI4    10.0   10.13 Tue 8 AM    10.6  Wed 1 AM 
SPWI4    10.0   11.67 Tue 8 AM    11.9  Tue 7 PM 
LNNI4    18.0   18.17 Tue 8 AM    19.1  Fri 7 AM 
CHKI4    17.0   14.62 Tue 8 AM    16.5  Sun 7 AM 

BIG SIOUX RIVER
HAWI4    15.0   12.98 Tue 8 AM    13.1  Thu 7 PM  
AKRI4    16.0   15.12 Tue 8 AM                      15.1  Tue May 31

MG
528 
WGUS83 KFSD 011416
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
916 AM CDT WED JUN 1 2016

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

  Ocheyedan River Near Spencer

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

  Little Sioux River Near Milford
  Little Sioux River Above Spencer
  Little Sioux River At Spencer
  Little Sioux River At Linn Grove
 
.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.

&&

IAC041-059-021816-
/O.CON.KFSD.FL.W.0026.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.160529T1115Z.160531T1515Z.000000T0000Z.NO/
916 AM CDT WED JUN 1 2016

The Flood Warning continues for
  The Little Sioux River Near Milford.
* until further notice.
* At 08AM Wednesday the stage was 12.7 feet.
* Flood stage is 12.0 feet.
* At stages near 12.0 feet...Minor flooding of low lying agricultural
lands begins. 

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

$$

IAC041-059-021815-
/O.EXT.KFSD.FL.W.0030.000000T0000Z-160603T0000Z/
/LSSI4.1.ER.160530T1330Z.160601T1230Z.160602T1800Z.UU/
916 AM CDT WED JUN 1 2016

The Flood Warning continues for
  The Little Sioux River Above Spencer.
* until Thursday evening.
* At 08AM Wednesday the stage was 10.5 feet.
* Flood stage is 10.0 feet.
* Forecast...The river is cresting now and will fall to below 
  flood stage by Thursday June 02.
* 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

$$

IAC041-021815-
/O.CON.KFSD.FL.W.0023.000000T0000Z-160605T1200Z/
/SPWI4.1.ER.160525T1510Z.160531T1200Z.160604T1200Z.NO/
916 AM CDT WED JUN 1 2016

The Flood Warning continues for
  The Little Sioux River At Spencer.
* until Sunday morning.
* At 08AM Wednesday the stage was 11.5 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will fall below flood stage by Sunday June 4.
* At stages near 10.0 feet...The right bank overflows, and minor 
flooding of the Spencer city park and some rural agricultural areas 
begins. 

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

$$

IAC021-041-021815-
/O.CON.KFSD.FL.W.0025.000000T0000Z-000000T0000Z/
/LNNI4.1.ER.160530T1107Z.160603T1800Z.000000T0000Z.NO/
916 AM CDT WED JUN 1 2016

The Flood Warning continues for
  The Little Sioux River At Linn Grove.
* until further notice.
* At 09AM Wednesday the stage was 18.3 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will crest near 19.0 feet by Friday June 03 
  then begin falling.
* 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

$$

IAC041-011446-
/O.CAN.KFSD.FL.W.0029.000000T0000Z-160603T0600Z/
/SPOI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
916 AM CDT WED JUN 1 2016

The Flood Warning is cancelled for
  The Ocheyedan River Near Spencer.
* At 08AM Wednesday the stage was 7.1 feet.
* Flood stage is 8.0 feet.
* Forecast...The river crested below flood stage at 7.9 feet. The 
  river will fall to 6.7 feet by Thursday morning.
* At stages near 7.0 feet...Minor flooding of some ditches begins. 

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

$$

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

LITTLE SIOUX RIVER
MIFI4    12.0   12.73 Wed 8 AM                      12.9  Tue May 31
LSSI4    10.0   10.51 Wed 8 AM                      10.5  Wed Jun 1 
SPWI4    10.0   11.46 Wed 8 AM                      11.7  Tue May 31
LNNI4    18.0   18.28 Wed 9 AM    19.0  Fri 1 PM 

OCHEYEDAN RIVER
SPOI4     8.0    7.10 Wed 9 AM                       7.9  Mon May 30

MG

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 9:49 AM CDTRiver Flood WarningFSDSioux24 hr
May 30, 9:49 AM CDTRiver Flood WarningFSDPlymouth6 days
May 30, 9:49 AM CDTRiver Flood WarningFSDClay, Dickinson4 days
May 30, 9:49 AM CDTRiver Flood WarningFSDCherokee4 days

Nearby

River Flood Warnings in Iowa, 2016Every river flood warning in 2016

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.