Alert archive / South Dakota / River Flood Warnings in 2019

River Flood Warning 55, NWS Aberdeen, SD

May 22, 2019Stanley County, South Dakota

NWS Aberdeen, SD issued this river flood warning at May 22, 2019, 2:41 AM MDT for Stanley County, South Dakota. It took effect at May 22, 2019, 4:00 PM MDT. It was in force for 51 hr.

The area

The counties it named.

The facts

Issued: May 22, 2019, 2:41 AM MDT (08:41 UTC)
In effect from: May 22, 2019, 4:00 PM MDT
Expired: May 24, 2019, 7:14 PM MDT
In force: 51 hr
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Flood severity: Minor

County Stanley County, SD

The radar

The Rapid City radar (KUDX), 170 km from the middle of the area, began a volume at 08:45 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 Bad River (SD) near Fort Pierre (FTPS2). The gauge peaked at 21.87 ft at May 22, 2019, 3:00 PM MDT.

Action stage: 19 ft
Minor stage: 21 ft
Moderate stage: 25 ft
Major stage: 27 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06441500, 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 Aberdeen, SD wrote its last area forecast discussion before this river flood warning went out at May 22, 2:40 AM MDT, 1 minute earlier.

Area forecast discussion, May 22, 2:40 AM MDT, 1 minute before

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Hazardous weather outlook, May 22, 2:16 AM MDT, 25 minutes before

Hazardous Weather Outlook
National Weather Service Aberdeen SD
316 AM CDT Wed May 22 2019

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-230830-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
316 AM CDT Wed May 22 2019 /216 AM MDT Wed May 22 2019/

This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

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

Occasional showers and thunderstorms are possible through the
upcoming weekend. Currently no severe weather is expected during
that time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 6:04 AM MDT	River Flood Warning	ABR	Spink	12 days
May 22, 7:34 AM MDT	Areal Flood Warning	ABR	Hand	6 hr
May 22, 1:08 PM MDT	Areal Flood Warning	ABR	Hand	22 hr

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.