Several periods of moderate to heavy rain in eastern Nebraska and southwest Iowa combined with snow melt runoff in the upper Missouri basin brought increased flows along the Missouri River downstream of Omaha.  The river around and downstream of Nebraska City climbed above flood stage around the middle of the month and the lowland flooding continued into May.

Flood in NEMAHA, NEBRASKA
From 17-APR-11 14:00:00 to 30-APR-11 23:59:00 (CST-6)
Location: PERU
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several periods of moderate to heavy rain combined with upstream inflows due to snow melt and rain caused the Missouri River to flood from around Nebraska City downstream through Rulo.  The flooding began a little after the middle of the month and persisted into May.  In Nemaha county the flooding mainly affected marshy lowlands and low-lying farm fields along the river although a few recreational areas were flooded as well.  The river at Brownville climbed above its 33 foot flood stage in the afternoon of 4/17 and continued above flood stage into May.  The river had a prolonged crest around and a little above 35 feet during the last week or so of April.  The flooding and crest carried over into May.

Flood in RICHARDSON, NEBRASKA
From 19-APR-11 18:00:00 to 30-APR-11 23:59:00 (CST-6)
Location: BARADA
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several periods of moderate to heavy rain combined with upstream inflows due to snow melt and rain caused the Missouri River to flood from around Nebraska City downstream through Rulo.  The flooding began a little after the middle of the month and persisted into May.  In Richardson county the flooding mainly affected marshy lowlands and low-lying farm fields along the river although a few recreational areas were flooded as well.  The river at Rulo climbed above its 17 foot flood stage during the evening of 4/19 and continued above flood stage into May.  The river had a prolonged crest of around and just over 18 feet over the last week or so of April.  The flooding and crest carried over into May.

Flood in OTOE, NEBRASKA
From 19-APR-11 18:00:00 to 30-APR-11 23:59:00 (CST-6)
Location: NEBRASKA CITY ARPT
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several periods of moderate to heavy rain combined with upstream inflows due to snow melt and rain caused the Missouri River to flood from around Nebraska City downstream through Rulo.  The flooding began a little after the middle of the month and persisted into May.  In Otoe county the flooding mainly affected marshy lowlands and low-lying farm fields along the river although a few recreational areas were flooded as well.  The river at Nebraska City climbed above its 18 foot flood stage in the evening of 4/19 and continued above flood stage into May.  The river had a prolonged crest of around and just under 19.5 feet over the last week or so of April.  The crest and flooding carried over into May.

Flood in CASS, NEBRASKA
From 21-APR-11 23:00:00 to 30-APR-11 23:59:00 (CST-6)
Location: PLATTSMOUTH
Flood cause: Heavy Rain / Snow Melt
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several episodes of heavy rain combined with snow melt and rain upstream and caused a prolonged high flow of the Missouri River.  The river at Plattsmouth started climbing significantly on 4/19 and went a little over it's 26 foot flood stage late in the evening on 4/22 and remained close to or above flood stage through May.  Although the high water mainly flooded marshy areas and farmland along the river, it also flooded a few roads and recreational areas by the river.