Alert archive / South Dakota / River Flood Warnings in 2019

River Flood Warning 15, NWS Aberdeen, SD

March 24, 2019Dewey County, South Dakota

NWS Aberdeen, SD issued this river flood warning at Mar 24, 2019, 3:03 AM MDT for Dewey County, South Dakota. It was in force for 6 days.

The area

The counties it named.

The facts

Issued
Mar 24, 2019, 3:03 AM MDT (09:03 UTC)
Expired
Mar 29, 2019, 9:33 PM MDT
In force
6 days
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Flood severity
Moderate

County Dewey County, SD

The radar

The Bismarck radar (KBIS), 180 km from the middle of the area, began a volume at 09:05 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 Moreau River (SD) near Whitehorse (WHIS2). The gauge peaked at 27.76 ft at Mar 25, 2019, 12:00 PM MDT.

actionminormoderatemajor1015202503/2403/2503/2603/2703/2803/2903/3003/31
Action stage
19 ft
Minor stage
21 ft
Moderate stage
23 ft
Major stage
25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06360500, 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 Mar 24, 12:08 AM MDT, 2 hours 55 minutes earlier.

Area forecast discussion, Mar 24, 12:08 AM MDT, 2 hours 55 minutes before
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Hazardous weather outlook, Mar 23, 9:27 AM MDT, 17 hours 36 minutes before
Hazardous Weather Outlook
National Weather Service Aberdeen SD
1027 AM CDT Sat Mar 23 2019

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-241530-
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-
1027 AM CDT Sat Mar 23 2019 /927 AM MDT Sat Mar 23 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.

Snowmelt will contribute to overland and river/stream flooding over
portions of the region.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Continued snowmelt over the next several days will contribute to
overland and river/stream flooding over portions of the region.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

SD

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 8:44 PM MDTRiver Flood WarningABRCodington41 days
Mar 24, 1:05 AM MDTRiver Flood WarningABRCodington5 days
Mar 24, 8:56 AM MDTRiver Flood WarningABRCodington52 hr
Mar 24, 11:35 AM MDTDense Fog AdvisoryABRDay, Grant, Marshall, Roberts6 hr
Mar 24, 2:48 PM MDTRiver Flood WarningABRStanley44 hr

Nearby

River Flood Warnings in South Dakota, 2019Every 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.