BBC News
Some Alaskans are emptying their homes because meltwater is saved from a basin by Mendenhall Glacier – the US state capital city increases the possibility of record -bracing floods in the city.
In Juno, the National Weather Service (NWS) office has issued a flood warning as the Glasseous outburst flows into the Mendenhall River in the water, causing a house risk in the house.
For days, local authorities have warned residents who can be forced to vacate them. On Tuesday, he confirmed that the water had begun to escape the snow dam and was expected to flood in the coming days.
Glacier, a popular tourist attraction, is from 12 miles (19 km) from Juno.
The NWS said that the water level reached 9.85 feet (3 meters) on Tuesday, below the major levels of floods, starting at 14 feet. But till Wednesday morning he was above 16 feet, which is considered a crest.
Meteorologist Nicole Ferin, the weather service, said at a press conference on Tuesday, “This will be a new record, based on the information we have.”
Usgs/reutersThe website of Juno City states that the outbreak of glacial lake occurs when a lake of snow and snow and rain drains is rapid. This compares the process of removing a plug out of a full bathtub. When meltweats reach a certain level, they can overtop a glacier that had earlier withdrawn them.
Alaska Governor Mike Dunli on Sunday released a state disaster declaration from a glacier lake outburst Flood (Glof) in the Juno region on Sunday due to an imminent threat of horrific floods.
Floods in the region have been an annual concern since 2011, as houses have been damaged and flowing. Last year, hundreds of residences were damaged.
Mountains are glaciers World shrinking As the temperature rises.
Extra melt water can collect for the manufacture of glaciers lakes. Are scientists Overview of increasing number and size of these lakes Since 1990 globally.
Natural dams of snow and rock that catch lakes at space can suddenly and unexpectedly fail, causing floods.
Researchers hopes that climate change to increase the number of these outbreaks in the future, although the previous trends – and due to individual floods – are complex.
