McCarthy residents and visitors were watching a jokulhlaup flood from a footbridge over the Kennicott River this week when glacial ice floating downstream gave them a jolt — and something to cheer about.
Each summer, glacier-dammed Hidden Creek Lake drains into the Kennicott River in Wrangell-St. Elias National Park. Jokulhlaups in Juneau's Mendenhall Valley sometimes cause flooding of streets and homes.