Alert archive / South Dakota / River Flood Warnings in 2021

River Flood Warning 2, NWS Aberdeen, SD

October 10, 2021Codington County, South Dakota

NWS Aberdeen, SD issued this river flood warning at Oct 10, 2021, 8:55 AM CDT for Codington County, South Dakota. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
Oct 10, 2021, 8:55 AM CDT (13:55 UTC)
Expired
Oct 10, 2021, 7:17 PM CDT
In force
10 hr
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Flood severity
Minor

County Codington County, SD

The radar

The Aberdeen radar (KABR), 123 km from the middle of the area, began a volume at 13:54 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 Willow Creek near Watertown (WWCS2).

Action stage
9 ft
Minor stage
10 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06479515, 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.

613 
WGUS43 KABR 101355
FLWABR

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Aberdeen SD
855 AM CDT Sun Oct 10 2021

...The National Weather Service in Aberdeen SD has issued a Flood 
Warning for the following rivers in South Dakota...

  Willow Creek Near Watertown affecting Codington County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

Additional information is available at www.weather.gov/abr.

The next statement will be issued Monday afternoon by 500 PM CDT.

&&


SDC029-112200-
/O.NEW.KABR.FL.W.0002.211010T1355Z-000000T0000Z/
/WWCS2.1.ER.211010T1252Z.211010T1300Z.000000T0000Z.NO/
855 AM CDT Sun Oct 10 2021

The National Weather Service in Aberdeen has issued a

* Flood Warning for
  the Willow Creek Near Watertown.
* From this morning until further notice.
* At 8:00 AM CDT Sunday the stage was 10.2 feet.
* Flood stage is 10.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:00 AM CDT Sunday was 10.2 feet.


&&

LAT...LON 4494 9703 4491 9697 4488 9705 4490 9709
      4494 9706

$$

Parkin
1 follow-up statement
625 
WGUS83 KABR 110017
FLSABR

Flood Statement
National Weather Service Aberdeen SD
717 PM CDT Sun Oct 10 2021

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

  Willow Creek Near Watertown affecting Codington County.

SDC029-110130-
/O.CAN.KABR.FL.W.0002.000000T0000Z-211011T0017Z/
/WWCS2.1.ER.211010T1252Z.211010T1300Z.000000T0000Z.NO/
717 PM CDT Sun Oct 10 2021

...The Flood Warning for the Willow Creek Near Watertown has been 
cancelled...

The Flood Warning is cancelled for
  the Willow Creek Near Watertown.
* At 6:00 PM CDT Sunday the stage was 9.8 feet.
* Flood stage is 10.0 feet.
* Recent Activity...the stage at Willow Creek has fallen below flood 
  stage. Therefore, the flood warning is cancelled.


&&

LAT...LON 4494 9703 4491 9697 4488 9705 4490 9709
      4494 9706

$$

Dorn

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 9, 7:17 PM CDTSevere Thunderstorm WarningABRCodington, Deuel, Grant, Hamlin, Roberts43 min
Oct 9, 7:52 PM CDTSpecial Weather StatementABRHughes, Lyman38 min
Oct 9, 8:24 PM CDTSevere Thunderstorm WarningABRHamlin33 min
Oct 9, 9:37 PM CDTAreal Flood WarningABRCodington, Deuel, Grant, Hamlin, Roberts9 hr

Nearby

River Flood Warnings in South Dakota, 2021Every river flood warning in 2021

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.