Alert archive / South Dakota / River Flood Warnings in 2011

River Flood Warning 33, NWS Aberdeen, SD

July 28, 2011Roberts County, South Dakota

NWS Aberdeen, SD issued this river flood warning at Jul 28, 2011, 7:53 AM CDT for Roberts County, South Dakota. It was in force for 44 hr.

The area

The counties it named.

The facts

Issued: Jul 28, 2011, 7:53 AM CDT (12:53 UTC)
Expired: Jul 30, 2011, 3:59 AM CDT
In force: 44 hr
Issued by: NWS Aberdeen, SD
Flood severity: Minor

County Roberts County, SD

The radar

The Aberdeen radar (KABR), 116 km from the middle of the area, began a volume at 12:56 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 Little Minnesota River near Peever (PVRS2). The gauge peaked at 19.05 ft at Jul 28, 2011, 7:00 PM CDT.

Action stage: 16 ft
Minor stage: 17 ft
Moderate stage: 22 ft
Major stage: 24 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05290000, 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 Jul 28, 3:43 AM CDT, 4 hours 10 minutes earlier.

Area forecast discussion, Jul 28, 3:43 AM CDT, 4 hours 10 minutes before

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Hazardous weather outlook, Jul 28, 4:14 AM CDT, 3 hours 39 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
414 AM CDT THU JUL 28 2011

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-290915-
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-
414 AM CDT THU JUL 28 2011 /314 AM MDT THU JUL 28 2011/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
MINNESOTA...CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND
NORTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED TODAY ACROSS WESTERN AND
CENTRAL SOUTH DAKOTA...PERHAPS AS FAR EAST AS THE JAMES VALLEY.
RIGHT NOW THE SEVERE THREAT SEEMS MINIMAL AND SHOULD BE CONFINED
TO FAR SOUTHERN SOUTH DAKOTA AND NEBRASKA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

ON AND OFF CHANCES FOR THUNDERSTORMS EXIST THROUGH THE PERIOD. AS
FAR AS THREATS FOR SEVERE WEATHER...RIGHT NOW INDICATIONS ARE THAT
SEVERE STORMS COULD BE POSSIBLE ACROSS WESTERN SOUTH DAKOTA FRIDAY
AFTERNOON AND EVENING...THEN PERHAPS ACROSS EASTERN SOUTH DAKOTA
AND WESTERN MINNESOTA SATURDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

TMT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 9:58 PM CDT	Severe Thunderstorm Warning	ABR	Jones	47 min
Jul 27, 10:44 PM CDT	Severe Thunderstorm Warning	ABR	Jones	46 min
Jul 27, 11:52 PM CDT	Severe Thunderstorm Warning	ABR	Lyman	38 min
Jul 28, 12:30 AM CDT	Severe Thunderstorm Warning	ABR	Lyman	18 min
Jul 28, 4:41 PM CDT	Severe Thunderstorm Warning	ABR	Corson	49 min
Jul 28, 6:13 PM CDT	Severe Thunderstorm Warning	ABR	Dewey	62 min
Jul 27, 7:48 PM CDT	Areal Flood Warning	ABR	Traverse	63 hr

Nearby

River Flood Warnings in South Dakota, 2011 Every river flood warning in 2011

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.