Alert archive / South Dakota / River Flood Warnings in 2019

River Flood Warning 59, NWS Sioux Falls, SD

March 15, 2019Brookings County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at Mar 15, 2019, 5:15 AM CDT for Brookings County, South Dakota. It was in force for 21 days.

The area

The counties it named.

The facts

Issued: Mar 15, 2019, 5:15 AM CDT (10:15 UTC)
Expired: Apr 5, 2019, 5:15 AM CDT
In force: 21 days
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Minor

County Brookings County, SD

The radar

The Sioux Falls radar (KFSD), 87 km from the middle of the area, began a volume at 10:20 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 Sixmile Creek above Brookings (SMCS2).

Action stage: 1632 ft
Minor stage: 1634 ft
Moderate stage: 1635 ft
Major stage: 1636 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 Mar 15, 3:56 AM CDT, 1 hour 19 minutes earlier.

Area forecast discussion, Mar 15, 3:56 AM CDT, 1 hour 19 minutes before

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Hazardous weather outlook, Mar 15, 4:46 AM CDT, 29 minutes before

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
446 AM CDT Fri Mar 15 2019

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-161000-
Lyon IA-Osceola-Dickinson-Sioux-O'Brien-Clay IA-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln MN-Lyon MN-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-Lincoln SD-Bon Homme-Yankton-Clay SD-Union-
446 AM CDT Fri Mar 15 2019

This Hazardous Weather Outlook is for portions of 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

Area rivers and streams are expected to crest today or tomorrow
with a gradual fall thereafter.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Areas experiencing overland flooding from recent heavy rains
should see water levels slowly recede. Flooding will continue on
several area rivers into early next week. Additional runoff from
melting snow pack will be limited by cooler than normal
temperatures through the weekend.

.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
Mar 14, 8:54 PM CDT	Areal Flood Warning	FSD	Davison, Douglas, Hanson, Hutchinson, Lincoln, McCook and 2 more	12 hr
Mar 14, 9:52 PM CDT	River Flood Warning	FSD	Union	68 hr
Mar 14, 8:41 PM CDT	River Flood Warning	FSD	Lyon	21 days

Nearby

River Flood Warnings in South Dakota, 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.