Alert archive / South Dakota / River Flood Warnings in 2019

River Flood Warning 76, NWS Aberdeen, SD

September 11, 2019Codington County, South Dakota

NWS Aberdeen, SD issued this river flood warning at Sep 11, 2019, 8:09 AM CDT for Codington County, South Dakota. It was in force for 63 days.

The area

The counties it named.

The facts

Issued
Sep 11, 2019, 8:09 AM CDT (13:09 UTC)
Expired
Nov 13, 2019, 12:54 PM CST
In force
63 days
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Flood severity
Minor

County Codington County, SD

The radar

The Aberdeen radar (KABR), 110 km from the middle of the area, began a volume at 13:11 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 Big Sioux River at Watertown Sioux Conifer Road (WBSS2). The gauge peaked at 9.56 ft at Sep 14, 2019, 12:00 AM CDT.

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Action stage
8 ft
Minor stage
9 ft
Moderate stage
10 ft
Major stage
12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06479500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Aberdeen, SD wrote its last area forecast discussion before this river flood warning went out at Sep 11, 6:33 AM CDT, 1 hour 36 minutes earlier.

Area forecast discussion, Sep 11, 6:33 AM CDT, 1 hour 36 minutes before
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Hazardous weather outlook, Sep 11, 4:06 AM CDT, 4 hours 3 minutes before
Hazardous Weather Outlook
National Weather Service Aberdeen SD
406 AM CDT Wed Sep 11 2019

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-120915-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
406 AM CDT Wed Sep 11 2019 /306 AM MDT Wed Sep 11 2019/

This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.

.DAY ONE...Today and tonight.

Showers and thunderstorms will track from west to east across the
area late this afternoon into tonight. A few of the storms may be
strong to severe, but widespread severe weather is not expected.
However, locally heavy rainfall will be possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

Parkin

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 11, 12:17 PM CDTFlash Flood WatchABRBuffalo, Clark, Codington, Deuel, Grant, Hamlin and 2 more18 hr
Sep 11, 6:37 PM CDTRiver Flood WarningABRTraverse7 days

Nearby

River Flood Warnings in South Dakota, 2019Every river flood warning in 2019

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.