Alert archive / South Dakota / River Flood Warnings in 2019

River Flood Warning 192, NWS Sioux Falls, SD

May 27, 2019Minnehaha County, South Dakota; Rock County, Minnesota

NWS Sioux Falls, SD issued this river flood warning at May 27, 2019, 9:00 PM CDT for Minnehaha County, South Dakota; Rock County, Minnesota. It was in force for 21 days.

The area

The counties it named.

The facts

Issued: May 27, 2019, 9:00 PM CDT (02:00 UTC)
Expired: Jun 17, 2019, 9:00 PM CDT
In force: 21 days
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Minor

Counties Rock County, MN, Minnehaha County, SD

The radar

The Sioux Falls radar (KFSD), 19 km from the middle of the area, began a volume at 02:05 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 Split Rock Creek below Jasper (JSPM5).

Action stage: 89 ft
Minor stage: 91 ft
Moderate stage: 94 ft
Major stage: 96 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06482540, 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 May 27, 6:41 PM CDT, 2 hours 19 minutes earlier.

Area forecast discussion, May 27, 6:41 PM CDT, 2 hours 19 minutes before

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Hazardous weather outlook, May 27, 3:53 PM CDT, 5 hours 7 minutes before

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
353 PM CDT Mon May 27 2019

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-282100-
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-
353 PM CDT Mon May 27 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...This afternoon and tonight.

There is a chance of additional showers and isolated thunderstorms
later tonight, mainly south of I-90. The threat for severe weather
and heavy rain appears low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Showers and thunderstorms will become likely again later Tuesday and
Tuesday night. A couple of these storms in far southeast South Dakota
and northwest Iowa may become severe, with large hail and damaging
winds. In addition, areas of heavier rainfall may cause continued
issues with flooding and ponding of water. Those with interest on
area waterways will want to monitor river levels and forecasts.

.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.

Issued	Product	Office	Counties	Lasted
May 28, 12:26 AM CDT	River Flood Warning	FSD	Lincoln, Minnehaha	21 days
May 28, 3:36 AM CDT	River Flood Warning	FSD	Moody	21 days
May 28, 12:31 PM CDT	River Flood Warning	FSD	Minnehaha	21 days
May 28, 1:57 PM CDT	River Flood Warning	FSD	Union	21 days
May 27, 9:00 PM CDT	River Flood Warning	FSD	Sioux	58 hr
May 28, 7:45 AM CDT	River Flood Warning	FSD	Plymouth, Sioux	6 hr
May 28, 12:31 PM CDT	River Flood Warning	FSD	Clay, O'Brien	21 days
May 27, 11:20 PM CDT	River Flood Warning	FSD	Cottonwood, Jackson	8 days
May 28, 3:36 AM CDT	River Flood Warning	FSD	Lyon	21 days
May 28, 3:38 AM CDT	River Flood Warning	FSD	Murray	21 days

Nearby

River Flood Warnings in South Dakota, 2019 River Flood Warnings in Minnesota, 2019 Every 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.