Answer:
Unusual floods struck throughout the basin during winter 2015–16, and more swamped parts of Illinois, Arkansas and Missouri after torrential rains in 2017. Snowmelt swells the Mississippi every spring, but the river reached flood stage in Memphis a month earlier than usual in 2018 due to heavy February rain
Explanation:
The strength of Mississippi river is too long and generate current more than river's edge. Therefore, these conditions can cause spring floods.
The Mississippi River is a very important river to the United States. It is a major source of water for many towns and cities alongside it.
Moreover, these type of unusual floods cause the winter session from 2015 to 2016 and several parts of Illinois. The river reached its flood stage when the snow melt.
At the time when the flooding caused by weather change that include tropical cyclones and debris flows.
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