River Flood Warning 4, NWS Sioux Falls, SD

Issued

May 2, 2017, 9:22 AM CDT (14:22 UTC)

In effect from

May 3, 2017, 3:00 AM CDT

Expired

May 5, 2017, 2:30 PM CDT

In force

60 hr

Issued by

NWS Sioux Falls, SD

Area

Storm-based polygon

Flood severity

Minor

Counties Plymouth County, IA, Sioux County, IA, Union County, SD

The Sioux Falls radar (KFSD), 48 km from the middle of the area, began a volume at 14:19 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.

Written for the forecast point Big Sioux River above Hawarden (HWDI4).

Action stage

18.5 ft

Minor stage

20.5 ft

Moderate stage

24 ft

Major stage

30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06483950, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

868 
WGUS43 KFSD 021422
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Sioux Falls SD
922 AM CDT Tue May 2 2017

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

  Big Sioux River above Hawarden
 
.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.

&&

IAC149-167-SDC127-031822-
/O.NEW.KFSD.FL.W.0004.170503T0800Z-170505T1930Z/
/HWDI4.1.ER.170503T0800Z.170504T1200Z.170505T1330Z.UU/
922 AM CDT Tue May 2 2017

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Big Sioux River above Hawarden.
* from late tonight to Friday afternoon.
* At 08AM Tuesday the stage was 17.8 feet.
* Minor flooding is forecast.
* Flood stage is 19.0 feet.
* Forecast...The river will crest near 19.4 feet on Thursday morning.
* At stages near 19.0 feet...Agricultural flooding begins on the 
South Dakota side of the river. 

&&
 
LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
          4303 9654 4312 9654

$$

&& 
Location Flood  Latest Observed  Maximum Forecast 
         Stage  Stage  Time      Stage  Time      

BIG SIOUX RIVER
HWDI4    19.0   17.75 Tue 8 AM    19.4  Thu 7 AM  

MG

277 
WGUS83 KFSD 031511
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
1011 AM CDT Wed May 3 2017

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

  Big Sioux River above Hawarden
 
.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.

&&

IAC149-167-SDC127-041200-
/O.EXT.KFSD.FL.W.0004.000000T0000Z-170504T1200Z/
/HWDI4.1.ER.170503T1130Z.170503T1800Z.170504T0600Z.UU/
1011 AM CDT Wed May 3 2017

The Flood Warning continues for
  The Big Sioux River above Hawarden.
* until Thursday morning.
* At 09AM Wednesday the stage was 19.1 feet.
* Flood stage is 19.0 feet.
* Recent activity...The river rose above flood stage on Wednesday May
  03.
* Forecast...The river will crest near 19.2 feet this afternoon and 
  then fall below flood stage this evening.
* At stages near 19.0 feet...Agricultural flooding begins on the 
  South Dakota side of the river. 

&&
 
LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
          4303 9654 4312 9654

$$

&& 
Location Flood  Latest Observed  Maximum Forecast  
         Stage  Stage  Time      Stage  Time       

BIG SIOUX RIVER
HWDI4    19.0   19.08 Wed 9 AM    19.2  Wed 1 PM   

MG

River Flood Warnings in Iowa, 2017River Flood Warnings in South Dakota, 2017Every river flood warning in 2017

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.