Alert archive / Iowa / River Flood Warnings in 2016

River Flood Warning 41, NWS Sioux Falls, SD

June 21, 2016Clay County, Dickinson County, Iowa

NWS Sioux Falls, SD issued this river flood warning at Jun 21, 2016, 9:58 AM CDT for Clay County, Dickinson County, Iowa. It was in force for 24 hr.

The area

The outline as issued.

The facts

Issued
Jun 21, 2016, 9:58 AM CDT (14:58 UTC)
Expired
Jun 22, 2016, 9:58 AM CDT
In force
24 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 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 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.

551 
WGUS43 KFSD 211458
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
958 AM CDT TUE JUN 21 2016

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

  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.

&&

IAC041-059-221858-
/O.NEW.KFSD.FL.W.0041.160621T1458Z-000000T0000Z/
/MIFI4.1.ER.000000T0000Z.160621T1315Z.000000T0000Z.NO/
958 AM CDT TUE JUN 21 2016

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Little Sioux River Near Milford.
* Until further notice.
* At 9AM Tuesday 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  RECENT OBSERVED
         STAGE  STAGE  TIME      CREST TIME

LITTLE SIOUX RIVER
MIFI4    12.0   12.07 Tue 9 AM   12.7  Wed Jun 15

TRM
1 follow-up statement
420 
WGUS83 KFSD 220204
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
904 PM CDT TUE JUN 21 2016

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

  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.

This will be the last statement regarding the Little Sioux River
near Milford.

&&

IAC041-059-220234-
/O.CAN.KFSD.FL.W.0041.000000T0000Z-160622T0204Z/
/MIFI4.1.ER.000000T0000Z.160621T1315Z.160621T1511Z.NO/
904 PM CDT TUE JUN 21 2016

The Flood Warning is cancelled for
  The Little Sioux River Near Milford.
* At 8PM Tuesday the stage was 11.8 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  RECENT OBSERVED
         STAGE  STAGE  TIME      CREST TIME

LITTLE SIOUX RIVER
MIFI4    12.0   11.77 Tue 8 PM   12.7  Wed Jun 15

ADAMS

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.