Alert archive / South Dakota / River Flood Warnings in 2018

River Flood Warning 13, NWS Sioux Falls, SD

March 16, 2018Davison County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at Mar 16, 2018, 6:08 AM CDT for Davison County, South Dakota. It was in force for 8 days.

The area

The counties it named.

The facts

Issued
Mar 16, 2018, 6:08 AM CDT (11:08 UTC)
Expired
Mar 24, 2018, 10:37 AM CDT
In force
8 days
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Flood severity
Minor

County Davison County, SD

The radar

The Sioux Falls radar (KFSD), 114 km from the middle of the area, began a volume at 11:13 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 Firesteel Creek near Mt. Vernon (MTVS2). The gauge peaked at 11.08 ft at Mar 19, 2018, 3:00 PM CDT.

Action stage
7 ft
Minor stage
8 ft
Moderate stage
13 ft
Major stage
15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06477500, 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 16, 4:09 AM CDT, 1 hour 59 minutes earlier.

Area forecast discussion, Mar 16, 4:09 AM CDT, 1 hour 59 minutes before
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Hazardous weather outlook, Mar 16, 4:49 AM CDT, 1 hour 19 minutes before
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
449 AM CDT Fri Mar 16 2018

IAZ001>003-012>014-MNZ089-090-098-SDZ038-039-050-052>071-171000-
Lyon IA-Osceola-Dickinson-Sioux-O'Brien-Clay IA-Nobles-Jackson-
Rock-Beadle-Kingsbury-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-
449 AM CDT Fri Mar 16 2018

This Hazardous Weather Outlook is for portions of northwest Iowa,
southwest Minnesota, central South Dakota, east central South
Dakota, south central South Dakota, and southeast South Dakota.

.DAY ONE...Today and Tonight

A wintry mix of precipitation will develop across the area through
the day, with light to moderate snow amounts and icing from
freezing rain possible. The heaviest snow amounts will occur over
south central SD through the western and central Interstate 90
corridor, with 3 to 6 inches possible by this evening. The
greatest potential for icing will be south of Interstate 90, with
up to two tenths of accumulation possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

IAZ020>022-031-032-NEZ013-014-171000-
Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Dixon-Dakota-
449 AM CDT Fri Mar 16 2018

This Hazardous Weather Outlook is for portions of northwest Iowa,
west central Iowa, and northeast Nebraska.

.DAY ONE...Today and Tonight

A wintry mix of precipitation will develop across the area during
the morning before changing to rain by mid to late morning. Rain
may change back to a wintry mix by late afternoon and evening as
temperatures cool, with light snow and ice accumulation possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

MNZ071-072-080-081-097-SDZ040-171000-
Lincoln MN-Lyon MN-Murray-Cottonwood-Pipestone-Brookings-
449 AM CDT Fri Mar 16 2018

This Hazardous Weather Outlook is for portions of southwest
Minnesota and east central South Dakota.

.DAY ONE...Today and Tonight

A wintry mix will develop across the area by afternoon, with only
light snow and ice accumulation expected.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 7:50 PM CDTRiver Flood WarningFSDClay39 hr

Nearby

River Flood Warnings in South Dakota, 2018Every river flood warning in 2018

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.