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Glacial Lake Outburst Prompts Flood Warning in Juneau, Alaska

Residents of Alaska's capital have 24 to 36 hours to prepare for moderate flooding from Suicide Basin's annual glacial outburst.

  • Suicide Basin, part of the Mendenhall Glacier, has been releasing annual floodwaters since 2011, affecting Mendenhall Lake and River.
  • The National Weather Service in Juneau forecasts the river to crest at 11 to 11.5 feet, with the flood warning in effect until Monday.
  • Officials urge residents to avoid the river due to slippery conditions caused by recent snow along the banks.
  • Floodwaters damaged approximately 290 homes in August, when the river reached a record crest of 15.99 feet.
  • Juneau, with a population of about 30,000, is accessible only by plane or boat, emphasizing the importance of local preparedness.
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