Alert archive / South Dakota / River Flood Warnings in 2019

River Flood Warning 95, NWS Sioux Falls, SD

March 20, 2019Moody County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at Mar 20, 2019, 12:51 PM CDT for Moody County, South Dakota. It was in force for 77 days.

The area

The counties it named.

The facts

Issued: Mar 20, 2019, 12:51 PM CDT (17:51 UTC)
Expired: Jun 5, 2019, 1:55 AM CDT
In force: 77 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 17:48 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 Mar 20, 12:13 PM CDT, 38 minutes earlier.

Area forecast discussion, Mar 20, 12:13 PM CDT, 38 minutes before

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Hazardous weather outlook, Mar 20, 4:47 AM CDT, 8 hours 4 minutes before

Hazardous Weather Outlook...CORRECTED
National Weather Service Sioux Falls SD
447 AM CDT Wed Mar 20 2019

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-210945-
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-
447 AM CDT Wed Mar 20 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...Today and tonight.

Fog, with patchy dense fog, will continue through the morning rush
in parts of southwest Minnesota and northwest Iowa. Fog should
dissipate by mid morning.

Flooding from recent rain and snow melt will continue.

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

A significant warm up is expected late this week. This will likely
lead to additional snow melt, and additional rises of area streams
and rivers. Many area rivers are expected to return to moderate to
major flood levels this weekend and early next week. Keep up with the
latest flood warnings and statements for additional information.

.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 19, 9:17 PM CDT	River Flood Warning	FSD	Minnehaha	21 days
Mar 19, 9:17 PM CDT	River Flood Warning	FSD	Cottonwood, Jackson	47 days
Mar 19, 9:17 PM CDT	River Flood Warning	FSD	Pipestone	21 days
Mar 19, 9:17 PM CDT	River Flood Warning	FSD	Pipestone	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.