A Basin of Water Dammed by Alaska’s Mendenhall Glacier Has Started to Release, Threatening Parts of Juneau with Flooding

A basin of water dammed by Alaska’s Mendenhall Glacier has started to release, threatening parts of Juneau with flooding

A basin of water dammed by Alaska’s Mendenhall Glacier has started to release, threatening parts of Juneau with flooding.

Residents of one of the cities of Alaska were urged to evacuate: EADaily

EADaily, August 12th, 2025. The authorities of the city of Juneau in the southeastern part of Alaska urged local residents to evacuate due to the threat of a glacial flood, which could be realized as early as this week. This is reported by the Alaska Beacon portal.

Imminent "glacial outburst" flooding threat in Alaska prompts disaster declaration

Alaska Gov. Mike Dunleavy declared a state disaster due to what he called the "imminent threat of catastrophic flooding from a glacier lake outburst flood" in the Juneau area.

Juneau School District plans to close all schools if any campus is impacted by flooding

Mendenhall River Community School next to the Mendenhall River on Wednesday, July 30, 2025. (Photo by Clarise Larson/KTOO) With school set to begin on Thursday, the Juneau School District announced Monday that it plans to close all schools this week if any campuses are impacted by glacial outburst flooding. The glacial lake that releases water annually is full. That means the Mendenhall River could flood at any time this week, but it’s not clear…

Gov. Dunleavy announces State Disaster Declaration as Juneau braces for flooding

State Disaster Declaration announced as Juneau prepares for a Glacial outburst flooding event this week