Alert archive / South Dakota / River Flood Warnings in 2024

River Flood Warning 102, NWS Sioux Falls, SD

June 22, 2024Moody County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at Jun 22, 2024, 2:14 PM CDT for Moody County, South Dakota. It was in force for 21 days.

The area

The counties it named.

The facts

Issued
Jun 22, 2024, 2:14 PM CDT (19:14 UTC)
Expired
Jul 13, 2024, 2:14 PM CDT
In force
21 days
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Flood severity
Minor

County Moody County, SD

The radar

The Sioux Falls radar (KFSD), 49 km from the middle of the area, began a volume at 19:15 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 near Egan (EGAS2).

Action stage
1515 ft
Minor stage
1516.5 ft
Moderate stage
1519 ft
Major stage
1521 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.

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 Jun 22, 12:58 PM CDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jun 22, 12:58 PM CDT, 1 hour 16 minutes before
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Hazardous weather outlook, Jun 22, 4:20 AM CDT, 9 hours 54 minutes before
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
420 AM CDT Sat Jun 22 2024

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-230930-
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-
420 AM CDT Sat Jun 22 2024

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...Today and tonight.

A few more scattered showers with an occasional rumble of thunder
will be possible through the late afternoon. Additional accumulation
of a few tenths for areas west of I-29. East of I-29 can expect
additional accumulation of 0.25 to 0.5 inches.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Ongoing flooding concerns will continue over the next few days as
rainfall drains from the surrounding area into the waterways.

More scattered showers and storms will be possible by Sunday night,
though the threat is low (<30%). A better chance for a few strong to
severe thunderstorms is possible Monday night into Tuesday morning. A
few storms may become severe with large hail and damaging wind gusts
being the primary threats.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jun 22, 1:57 PM CDT, 17 minutes before
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Local storm report, Jun 22, 2:04 PM CDT, 10 minutes before
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Local storm report, Jun 22, 2:08 PM CDT, 6 minutes before
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Local storm report, Jun 22, 2:10 PM CDT, 4 minutes before
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Local storm report, Jun 22, 2:12 PM CDT, 2 minutes before
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Local storm report, Jun 22, 2:14 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:32 PM CDTFlash Flood WarningFSDAurora, Brule, Charles Mix, Davison, Douglas, Gregory and 2 more3 hr
Jun 21, 7:33 PM CDTFlash Flood WarningFSDBon Homme, Clay, Hutchinson, Lincoln, McCook, Minnehaha and 2 more4 hr
Jun 21, 7:57 PM CDTFlash Flood Warning Considerable damage threatFSDClay, Lincoln, Minnehaha, Turner, Yankton4 hr
Jun 22, 1:30 AM CDTAreal Flood WarningFSDUnion59 hr
Jun 22, 3:40 AM CDTRiver Flood WarningFSDBon Homme3 days
Jun 22, 3:40 AM CDTRiver Flood WarningFSDMinnehaha21 days
Jun 22, 3:40 AM CDTRiver Flood WarningFSDUnion21 days
Jun 22, 7:10 AM CDTRiver Flood WarningFSDMoody21 days
Jun 22, 7:15 AM CDTRiver Flood WarningFSDMoody21 days
Jun 22, 10:32 AM CDTRiver Flood WarningFSDUnion6 days
Jun 22, 12:28 PM CDTRiver Flood WarningFSDBrookings21 days
Jun 22, 2:14 PM CDTRiver Flood WarningFSDMinnehaha, Moody21 days
Jun 22, 6:12 PM CDTRiver Flood WarningFSDMoody21 days
Jun 21, 8:19 PM CDTFlash Flood WarningFSDDickinson, Lyon, O'Brien, Osceola, Sioux4 hr
Jun 21, 8:45 PM CDTFlash Flood Warning Considerable damage threatFSDLyon, Osceola4 hr
Jun 21, 9:13 PM CDTTornado WarningFSDOsceola32 min
Jun 21, 9:25 PM CDTFlash Flood WarningFSDClay, Dickinson, O'Brien, Sioux4 hr
Jun 21, 9:44 PM CDTTornado WarningFSDSioux17 min
Jun 21, 10:00 PM CDTSevere Thunderstorm WarningFSDO'Brien, Osceola30 min
Jun 21, 10:57 PM CDTSevere Thunderstorm WarningFSDClay, Dickinson33 min
Jun 22, 1:56 AM CDTFlash Flood Warning EmergencyCatastrophic damage threatFSDSioux3 hr
Jun 22, 3:40 AM CDTRiver Flood WarningFSDO'Brien21 days
Jun 22, 3:40 AM CDTRiver Flood WarningFSDDickinson23 days
Jun 22, 3:40 AM CDTRiver Flood WarningFSDClay21 days
Jun 22, 3:40 AM CDTRiver Flood WarningFSDSioux21 days
Jun 22, 3:40 AM CDTRiver Flood WarningFSDDickinson21 days
Jun 22, 3:40 AM CDTRiver Flood WarningFSDPlymouth, Woodbury3 days
Jun 22, 7:18 AM CDTRiver Flood WarningFSDCherokee29 hr
Jun 21, 7:06 PM CDTFlash Flood WarningFSDCottonwood, Jackson, Murray, Nobles, Pipestone, Rock4 hr
Jun 22, 3:40 AM CDTRiver Flood WarningFSDLyon21 days
Jun 22, 8:34 AM CDTAreal Flood WarningFSDCottonwood25 hr
Jun 22, 11:59 AM CDTSevere Thunderstorm WarningFSDLyon31 min

Nearby

River Flood Warnings in South Dakota, 2024Every river flood warning in 2024

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.