Alert archive / Iowa / River Flood Warnings in 2016

River Flood Warning 4, NWS Sioux Falls, SD

February 28, 2016Clay County, Dickinson County, Iowa

NWS Sioux Falls, SD issued this river flood warning at Feb 28, 2016, 6:30 PM CST for Clay County, Dickinson County, Iowa. It was in force for 42 hr.

The area

The outline as issued.

The facts

Issued
Feb 28, 2016, 6:30 PM CST (00:30 UTC)
Expired
Mar 1, 2016, 12:58 PM CST
In force
42 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), 122 km from the middle of the area, began a volume at 00:29 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 near Milford (MIFI4).

Action stage
11 ft
Minor stage
13 ft
Moderate stage
16 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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.

752 
WGUS43 KFSD 290030
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
630 PM CST SUN FEB 28 2016

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

  Little Sioux River Near Milford
  Little Sioux River At Spencer
 
.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.

&&

IAC041-059-010430-
/O.NEW.KFSD.FL.W.0004.160229T0030Z-000000T0000Z/
/MIFI4.1.ER.160228T2208Z.160228T2300Z.000000T0000Z.NO/
630 PM CST SUN FEB 28 2016

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Little Sioux River Near Milford.
* until further notice.
* At 05PM Sunday the stage was 12.2 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

$$

IAC041-010430-
/O.NEW.KFSD.FL.W.0005.160229T0600Z-160302T1200Z/
/SPWI4.1.ER.160229T0600Z.160229T1800Z.160301T1200Z.NO/
630 PM CST SUN FEB 28 2016

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Little Sioux River At Spencer.
* from late tonight to Wednesday morning.
* At 05PM Sunday the stage was 9.9 feet.
* Minor flooding is forecast.
* Flood stage is 10.0 feet.
* Forecast...Rise above flood stage by 12 AM Monday and crest near 
  10.2 feet by Monday February 29.the river will fall below flood 
  stage by Tuesday March 01.
* 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

$$

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

LITTLE SIOUX RIVER
MIFI4    12.0   12.18 Sun 5 PM      M     12.2  Sun Feb 28
SPWI4    10.0   9.93 Sun 5 PM    10.2  Mon 12 PM   11.5  Mon Feb 22
3 follow-up statements
048 
WGUS83 KFSD 291715
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1115 AM CST MON FEB 29 2016

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

  Little Sioux River At Spencer
  Little Sioux River Near Milford
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future precipitation 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.

&&

IAC041-059-012115-
/O.CON.KFSD.FL.W.0004.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.160228T2208Z.160229T0600Z.000000T0000Z.NO/
1115 AM CST MON FEB 29 2016

The Flood Warning continues for
  The Little Sioux River Near Milford.
* until further notice.
* At 10AM Monday the stage was 12.2 feet.
* Flood stage is 12.0 feet.
* Recent activity...The river rose above flood stage on Sunday 
  February 28.
* 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

$$

IAC041-012115-
/O.EXT.KFSD.FL.W.0005.000000T0000Z-160302T1800Z/
/SPWI4.1.ER.160229T0120Z.160229T1800Z.160301T1800Z.NO/
1115 AM CST MON FEB 29 2016

...Flood Warning extended until 12 PM Wednesday... 
The Flood Warning continues for
  The Little Sioux River At Spencer.
* until Wednesday afternoon.
* At 10AM Monday the stage was 10.2 feet.
* Flood stage is 10.0 feet.
* Recent activity...The river rose above flood stage on Sunday 
  February 28.
* Forecast...The river will crest near 10.3 feet by Monday
  afternoon February 29. The river will fall below flood stage
  Tuesday March 01.
* 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

$$

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

LITTLE SIOUX RIVER
MIFI4    12.0   12.23 Mon 10 AM                     12.8  Mon Feb 29
SPWI4    10.0   10.22 Mon 10 AM   10.3  Mon 3 PM
074 
WGUS43 KFSD 010435
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1035 PM CST MON FEB 29 2016

  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://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.

&&

IAC041-059-020835-
/O.CON.KFSD.FL.W.0004.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.160228T2208Z.160229T0600Z.000000T0000Z.NO/
1035 PM CST MON FEB 29 2016

The Flood Warning continues for 
 The Little Sioux River Near Milford.
* until further notice.
* At 9PM Monday the stage was 12.1 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

$$

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

LITTLE SIOUX RIVER
MIFI4    12.0   12.11  Mon 9 PM      M     12.8
451 
WGUS83 KFSD 011858
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1258 PM CST TUE MAR 1 2016

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

  Little Sioux River Near Milford
  Little Sioux River At Spencer
 
.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.

&&

IAC041-059-011928-
/O.CAN.KFSD.FL.W.0004.000000T0000Z-160301T1858Z/
/MIFI4.1.ER.160228T2208Z.160229T0600Z.160301T0742Z.NO/
1258 PM CST TUE MAR 1 2016

The Flood Warning is cancelled for
  The Little Sioux River Near Milford.
* At 10AM Tuesday the stage was 11.8 feet.
* Flood stage is 12.0 feet.
* Recent activity...The river rose above flood stage on Sunday 
  February 28.
* Recent activity...The river fell below flood stage at 3 AM 
  Tuesday.
* 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

$$

IAC041-011928-
/O.CAN.KFSD.FL.W.0005.000000T0000Z-160303T0600Z/
/SPWI4.1.ER.160229T0120Z.160301T0600Z.160301T1621Z.NO/
1258 PM CST TUE MAR 1 2016

The Flood Warning is cancelled for
  The Little Sioux River At Spencer.
* At 12PM Tuesday the stage was 9.9 feet.
* Flood stage is 10.0 feet.
* Recent activity...The river rose above flood stage on Sunday 
  February 28.
* Recent activity...The river fell below flood stage at 10 AM 
  Tuesday.
* Forecast...The river will continue to fall to 9.8 feet by 6 AM 
  Wednesday.
* 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

$$

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

LITTLE SIOUX RIVER
MIFI4    12.0   11.77 Tue 10 AM                    12.8  Mon Feb 29
SPWI4    10.0    9.91 Tue 12 PM                    10.3  Mon Feb 29

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 6:30 PM CSTRiver Flood WarningFSDClay60 hr
Feb 29, 12:48 PM CSTWinter Weather AdvisoryFSDBuena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 2 more17 hr

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.