Alaskans were forced to evacuate their homes after the Mendenhall River was overwhelmed on Tuesday, sending dangerous floodwaters and debris into surrounding communities.

Because the flooding has been a growing concern, city officials have installed emergency flood barriers along several miles of riverbanks.

Meltwater is escaping from a basin that is dammed by a glacier - prompting fears of a deluge in state capital Juneau.

Officials in Alaska have advised residents to evacuate the state's capital city Wednesday as a melting glacier is expected to cause major flooding.

Glacial lake outburst flooding is a flood that's produced by the quick, unexpected release of water from a glacial lake.

A 'glacial outburst' – a burst of water from a glacial lake – threatened to engulf residents of Juneau, Alaska.

Officials say temporary barriers helped Juneau avoid hundreds of flooded homes from Mendenhall Glacier

Alaskans were forced to evacuate their homes after the Mendenhall River was overwhelmed on Tuesday, sending dangerous floodwaters and debris into surrounding communities.

Esondato il fiume che attraversa la città di Juneau, alimentato dal ghiacciaio Mendenhall: il livello dell’acqua si è alzato di 2 metri in 24 ore.