Alert archive / South Dakota / River Flood Warnings in 2019

River Flood Warning 7, NWS Aberdeen, SD

March 22, 2019Grant County, South Dakota

NWS Aberdeen, SD issued this river flood warning at Mar 22, 2019, 10:44 PM CDT for Grant County, South Dakota. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Mar 22, 2019, 10:44 PM CDT (03:44 UTC)
Expired
Mar 23, 2019, 9:40 AM CDT
In force
11 hr
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Flood severity
Minor

County Grant County, SD

The radar

The Aberdeen radar (KABR), 132 km from the middle of the area, began a volume at 03:44 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 Florence (FLOS2).

Action stage
7 ft
Minor stage
8 ft
Moderate stage
8.5 ft
Major stage
9 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06479215, 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 22, 9:21 PM CDT, 1 hour 23 minutes earlier.

Area forecast discussion, Mar 22, 9:21 PM CDT, 1 hour 23 minutes before
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Hazardous weather outlook, Mar 22, 2:44 PM CDT, 8 hours before
Hazardous Weather Outlook...UPDATED
National Weather Service Aberdeen SD
244 PM CDT Fri Mar 22 2019

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-231945-
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-
244 PM CDT Fri Mar 22 2019 /144 PM MDT Fri Mar 22 2019/

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

.DAY ONE...This afternoon and tonight.

Areas of fog are possible once again tonight, possibly dense at
times.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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.

TMT

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 8:29 PM CDTRiver Flood WarningABRCodington7 days
Mar 22, 8:29 PM CDTRiver Flood WarningABRCodington4 days
Mar 22, 9:12 PM CDTRiver Flood WarningABRHamlin54 days
Mar 23, 1:05 AM CDTRiver Flood WarningABRCorson10 hr
Mar 23, 11:45 AM CDTRiver Flood WarningABRCorson8 days
Mar 23, 3:40 PM CDTRiver Flood WarningABRGrant7 days
Mar 23, 4:51 PM CDTRiver Flood WarningABRRoberts7 days
Mar 22, 7:57 PM CDTRiver Flood WarningABRTraverse21 days
Mar 23, 8:57 AM CDTRiver Flood WarningABRBig Stone47 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.