Alert archive / Iowa / River Flood Warnings in 2016

River Flood Warning 40, NWS Sioux Falls, SD

June 18, 2016Clay County, Dickinson County, Iowa

NWS Sioux Falls, SD issued this river flood warning at Jun 18, 2016, 9:57 AM CDT for Clay County, Dickinson County, Iowa. It took effect at Jun 18, 2016, 7:00 PM CDT. It was in force for 45 hr.

The area

The outline as issued.

The facts

Issued: Jun 18, 2016, 9:57 AM CDT (14:57 UTC)
In effect from: Jun 18, 2016, 7:00 PM CDT
Expired: Jun 20, 2016, 4:00 PM CDT
In force: 45 hr
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Minor

Counties Clay County, IA, Dickinson County, IA

The radar

The Sioux Falls radar (KFSD), 129 km from the middle of the area, began a volume at 15:00 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 Little Sioux River above Spencer (LSSI4). The gauge peaked at 10.10 ft at Jun 20, 2016, 12:00 AM CDT.

Action stage: 9 ft
Minor stage: 10 ft
Moderate stage: 13 ft
Major stage: 15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06604440, 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.

047
WGUS43 KFSD 181457
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
957 AM CDT SAT JUN 18 2016

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

Little Sioux River Above Spencer

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

Heavy rain on Friday has caused the Little Sioux River Above Spencer to approach flood stage. A rise above flood stage is expected to occur Saturday afternoon.

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.

IAC041-059-191857-
/O.NEW.KFSD.FL.W.0040.160619T0000Z-160620T2100Z/
/LSSI4.1.ER.160619T0000Z.160619T1200Z.160620T1500Z.UU/
957 AM CDT SAT JUN 18 2016

The National Weather Service in Sioux Falls has issued a

* Flood Warning for
The Little Sioux River Above Spencer.
* from this evening to Monday afternoon.
* At 09AM Saturday the stage was 9.9 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

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

LITTLE SIOUX RIVER
LSSI4 10.0 9.87 Sat 9 AM 10.4 Sun 7 AM

3 follow-up statements

508 
WGUS83 KFSD 190139
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
839 PM CDT SAT JUN 18 2016

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

  Little Sioux River At Linn Grove
  Little Sioux River Near Milford
  Little Sioux River Above Spencer
  Little Sioux River At Spencer
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
Recent rainfall has caused river levels along the Little Sioux River
to rise above flood stage in many areas. As a result, flood warnings
will continue as water remains high the next couple of 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.

&&

IAC041-059-200539-
/O.CON.KFSD.FL.W.0038.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.160618T1015Z.160619T0015Z.000000T0000Z.NO/
839 PM CDT SAT JUN 18 2016

The Flood Warning continues for
  The Little Sioux River Near Milford.
* until further notice.
* At 7PM Saturday the stage was 12.3 feet.
* Flood stage is 12.0 feet.
* Recent activity...The river rose above flood stage on Saturday June
  18.
* 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

$$

IAC041-059-200539-
/O.CON.KFSD.FL.W.0040.000000T0000Z-160620T2100Z/
/LSSI4.1.ER.160618T2122Z.160619T1200Z.160620T1500Z.UU/
839 PM CDT SAT JUN 18 2016

The Flood Warning continues for
  The Little Sioux River Above Spencer.
* until Monday afternoon.
* At 8PM Saturday the stage was 10.0 feet.
* Flood stage is 10.0 feet.
* Recent activity...The river rose above flood stage on Saturday June
  18.
* 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

$$

IAC041-200539-
/O.CON.KFSD.FL.W.0032.000000T0000Z-160623T0600Z/
/SPWI4.1.ER.160614T2137Z.160616T2015Z.160622T0600Z.NO/
839 PM CDT SAT JUN 18 2016

The Flood Warning continues for
  The Little Sioux River At Spencer.
* until late Wednesday night.
* At 7PM Saturday the stage was 10.9 feet.
* Flood stage is 10.0 feet.
* 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

$$

IAC021-041-200539-
/O.EXT.KFSD.FL.W.0033.000000T0000Z-000000T0000Z/
/LNNI4.1.ER.160614T2245Z.160619T1800Z.000000T0000Z.NO/
839 PM CDT SAT JUN 18 2016

The Flood Warning continues for
  The Little Sioux River At Linn Grove.
* until further notice.
* At 8PM Saturday the stage was 18.5 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will crest near 19.0 feet by Sunday June 19 
  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

$$

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

LITTLE SIOUX RIVER
MIFI4    12.0   12.32 Sat 7 PM      M               12.7  Wed Jun 15
LSSI4    10.0   10.02 Sat 8 PM    10.4  Sun 7 AM    11.2  Wed Jun 15
SPWI4    10.0   10.94 Sat 7 PM    11.1  Sun 7 PM    12.4  Thu Jun 16
LNNI4    18.0   18.45 Sat 8 PM    19.0  Sun 1 PM    18.5  Sat Jun 18

ADAMS

299 
WGUS83 KFSD 191514
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1014 AM CDT SUN JUN 19 2016

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

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

&&

IAC041-059-201914-
/O.CON.KFSD.FL.W.0038.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.160618T1015Z.160619T1315Z.000000T0000Z.NO/
1014 AM CDT SUN JUN 19 2016

The Flood Warning continues for
  The Little Sioux River Near Milford.
* until further notice.
* At 09AM Sunday the stage was 12.4 feet.
* Flood stage is 12.0 feet.
* Recent activity...The river rose above flood stage on Saturday June
  18.
* 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

$$

IAC041-059-201200-
/O.EXT.KFSD.FL.W.0040.000000T0000Z-160620T1200Z/
/LSSI4.1.ER.160618T2122Z.160619T1415Z.160620T0600Z.UU/
1014 AM CDT SUN JUN 19 2016

The Flood Warning continues for
  The Little Sioux River Above Spencer.
* until Monday morning.
* At 09AM Sunday the stage was 10.1 feet.
* Flood stage is 10.0 feet.
* Recent activity...The river rose above flood stage on Saturday June
  18.
* Forecast...The river will continue to fall to below flood stage by 
  Monday June 20.
* 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

$$

IAC041-201914-
/O.EXT.KFSD.FL.W.0032.000000T0000Z-160623T0300Z/
/SPWI4.1.ER.160614T2137Z.160616T2015Z.160622T0300Z.NO/
1014 AM CDT SUN JUN 19 2016

The Flood Warning continues for
  The Little Sioux River At Spencer.
* until Wednesday evening.
* At 09AM Sunday the stage was 11.0 feet.
* Flood stage is 10.0 feet.
* Forecast...The river is near crest.
* 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

$$

IAC021-041-201914-
/O.EXT.KFSD.FL.W.0033.000000T0000Z-160624T0600Z/
/LNNI4.1.ER.160614T2245Z.160619T1230Z.160623T0600Z.NO/
1014 AM CDT SUN JUN 19 2016

The Flood Warning continues for
  The Little Sioux River At Linn Grove.
* until late Thursday night.
* At 09AM Sunday the stage was 18.5 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Thursday June 23.
* 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

$$

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

LITTLE SIOUX RIVER
MIFI4    12.0   12.38 Sun 9 AM                      12.4  Sun Jun 19
LSSI4    10.0   10.10 Sun 9 AM                      11.2  Wed Jun 15
SPWI4    10.0   10.98 Sun 9 AM    11.0  Sun 1 PM                    
LNNI4    18.0   18.52 Sun 9 AM                      18.6  Sun Jun 19

776 
WGUS83 KFSD 200207
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
907 PM CDT SUN JUN 19 2016

...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.

&&

IAC041-059-210607-
/O.CON.KFSD.FL.W.0038.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.160618T1015Z.160619T1315Z.000000T0000Z.NO/
907 PM CDT SUN JUN 19 2016

The Flood Warning continues for
  The Little Sioux River Near Milford.
* until further notice.
* At 8PM Sunday the stage was 12.3 feet.
* Flood stage is 12.0 feet.
* Recent activity...The river rose above flood stage on Saturday June
  18.
* 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

$$

IAC041-059-201200-
/O.CON.KFSD.FL.W.0040.000000T0000Z-160620T1200Z/
/LSSI4.1.ER.160618T2122Z.160619T2000Z.160620T0600Z.UU/
907 PM CDT SUN JUN 19 2016

The Flood Warning continues for
  The Little Sioux River Above Spencer.
* until Monday morning.
* At 8PM Sunday the stage was 10.1 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Monday June 20.
* 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

$$

IAC041-210606-
/O.CON.KFSD.FL.W.0032.000000T0000Z-160623T0300Z/
/SPWI4.1.ER.160614T2137Z.160616T2015Z.160622T0300Z.NO/
907 PM CDT SUN JUN 19 2016

The Flood Warning continues for
  The Little Sioux River At Spencer.
* until Wednesday evening.
* At 8PM Sunday the stage was 11.1 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Tuesday June 21.
* 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

$$

IAC021-041-210606-
/O.CON.KFSD.FL.W.0033.000000T0000Z-160624T0600Z/
/LNNI4.1.ER.160614T2245Z.160619T1230Z.160623T0600Z.NO/
907 PM CDT SUN JUN 19 2016

The Flood Warning continues for
  The Little Sioux River At Linn Grove.
* until late Thursday night.
* At 8PM Sunday the stage was 18.5 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Thursday June 23.
* 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

$$

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

LITTLE SIOUX RIVER
MIFI4    12.0   12.32 Sun 8 PM      M               12.7  Wed Jun 15
LSSI4    10.0   10.08 Sun 8 PM    10.0  Mon 1 AM    11.2  Wed Jun 15
SPWI4    10.0   11.05 Sun 8 PM    10.8  Mon 1 AM    12.4  Thu Jun 16
LNNI4    18.0   18.53 Sun 8 PM    18.4  Mon 1 AM    

ADAMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 8:18 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 2 more	42 min
Jun 17, 8:44 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	46 min
Jun 17, 9:44 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	46 min
Jun 17, 9:53 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	52 min
Jun 17, 10:14 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida, Plymouth, Woodbury	46 min
Jun 17, 10:41 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	49 min
Jun 17, 10:57 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida, Plymouth, Woodbury	37 min
Jun 17, 11:33 PM CDT	Flash Flood Warning	FSD	Cherokee, Ida, Plymouth, Woodbury	6 hr
Jun 18, 3:14 AM CDT	Heat Advisory	FSD	Lyon, Plymouth, Sioux, Woodbury	41 hr
Jun 18, 3:19 AM CDT	River Flood Warning	FSD	Woodbury	24 hr
Jun 18, 8:15 AM CDT	River Flood Warning	FSD	Clay, Dickinson	62 hr
Jun 18, 9:26 AM CDT	River Flood Warning	FSD	Monona, Woodbury	29 hr

Nearby

River Flood Warnings in Iowa, 2016 Every 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.