Alert archive / South Dakota / River Flood Warnings in 2019

River Flood Warning 315, NWS Sioux Falls, SD

September 13, 2019Bon Homme County, Charles Mix County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at Sep 13, 2019, 9:31 PM CDT for Bon Homme County, Charles Mix County, South Dakota. It was in force for 21 days.

The area

The counties it named.

The facts

Issued
Sep 13, 2019, 9:31 PM CDT (02:31 UTC)
Expired
Oct 4, 2019, 9:31 PM CDT
In force
21 days
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Flood severity
Minor

Counties Bon Homme County, SD, Charles Mix County, SD

The radar

The Sioux Falls radar (KFSD), 134 km from the middle of the area, began a volume at 02:34 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 Missouri River near Verdel (MRVN1).

Action stage
23.5 ft
Minor stage
24 ft
Moderate stage
25 ft
Major stage
26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06453620, 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 Sioux Falls, SD wrote its last area forecast discussion before this river flood warning went out at Sep 13, 6:11 PM CDT, 3 hours 20 minutes earlier.

Area forecast discussion, Sep 13, 6:11 PM CDT, 3 hours 20 minutes before
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Hazardous weather outlook, Sep 13, 5:07 PM CDT, 4 hours 24 minutes before
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
507 PM CDT Fri Sep 13 2019

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-142215-
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
507 PM CDT Fri Sep 13 2019

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.

.DAY ONE...Tonight.

Flooding resulting from heavy rainfall over the past days will
continue to be an ongoing concern. Low-lying and poor drainage
areas, as well as small creeks and streams will continue to exhibit
flooding. Moderate to major river flooding will continue in the
James, Vermillion, Big Sioux, Rock and Redwood rivers.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Isolated thunderstorms are possible Saturday afternoon and evening,
generally east of I-29. A couple of these storms could become severe
with large hail and damaging winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 7:45 PM CDTRiver Flood WarningFSDMinnehaha6 days
Sep 14, 1:53 AM CDTRiver Flood WarningFSDUnion7 days
Sep 14, 4:50 AM CDTRiver Flood WarningFSDUnion21 days
Sep 14, 10:25 AM CDTAreal Flood WarningFSDAurora, Bon Homme, Brule, Charles Mix, Davison, Douglas and 4 more48 hr
Sep 14, 11:34 AM CDTRiver Flood WarningFSDUnion5 days
Sep 14, 1:13 PM CDTAreal Flood WarningFSDHanson, Lake, McCook, Miner, Minnehaha, Moody48 hr

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.