Melting of a heavy winter snow cover caused flooding of small streams and lakes in several counties in southeast South Dakota. The flooding included farmland and other lowlands, with some roads flooded and damaged. High water and groundwater levels resulting from record precipitation in the previous year contributed to the rapid onset of the flooding. The flooding began with warm weather which arrived at the middle of the month, and continued through the end of the month.

Flood in AURORA, SOUTH DAKOTA
From 17-MAR-11 06:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: WHITE LAKE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Melting of a heavy winter snow cover caused flooding of lowlands and small streams, including considerable flooding of farmland. Several roads in the county were flooded. Some of the roads were closed, and some were washed out in spots. The flooding onset was rapid for a snow melt flood due to high water and groundwater levels from record precipitation in the year 2010.

Flood in KINGSBURY, SOUTH DAKOTA
From 16-MAR-11 06:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: OSCEOLA
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Melting of a heavy winter snow cover caused flooding of lowlands, lakes, and small streams, including considerable flooding of farmland. Especially notable was the flooding of Lake Thompson. Numerous roads in the county were flooded. Some of the roads were closed, and some were washed out in spots. The flooding onset was rapid for a snow melt flood due to high water and groundwater levels from record precipitation in the year 2010.

Flood in MINER, SOUTH DAKOTA
From 16-MAR-11 06:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: CARTHAGE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Melting of a heavy winter snow cover caused flooding of lowlands, lakes, and small streams, including considerable flooding of farmland. Several roads in the county were flooded. Some of the roads were closed, and some were washed out in spots. The flooding onset was rapid for a snow melt flood due to high water and groundwater levels from record precipitation in the year 2010.

Flood in LAKE, SOUTH DAKOTA
From 16-MAR-11 06:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: RAMONA
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Melting of a heavy winter snow cover caused flooding of lowlands, lakes, and small streams, including considerable flooding of farmland and campgrounds. The flooded lakes included Lake Madison. Numerous roads in the county were flooded. Some of the roads were closed, and some were washed out in spots. Some small bridges were damaged. The flooding onset was rapid for a snow melt flood due to high water and groundwater levels from record precipitation in the year 2010.

Flood in JERAULD, SOUTH DAKOTA
From 17-MAR-11 06:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: CROW LAKE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Melting of a heavy winter snow cover caused flooding of lowlands and small streams, including considerable flooding of farmland. Several roads in the county were flooded. Some of the roads were closed, and some were washed out in spots. The town of Alpena, though not itself flooded, was almost isolated by flooded fields and roads in the area. The flooding onset was rapid for a snow melt flood due to high water and groundwater levels from record precipitation in the year 2010.