Flood in Copper River Basin, Alaska

Flood June 2, 2023 – June 5, 2023 · Copper River Basin, Alaska

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Late season snow in the Moose Creek Basin rapidly melted at the beginning of June 2023 causing another episode of flooding in the Glennallen area. While not as severe as the May flood event, the June event flooded the Glennallen Library and closed Glenn Highway due to highwater.

The wider storm

A late season heavy snow event recharged the snow cover in the Copper River Basin while early June warm temperatures created a new snowmelt-induced flood on the Moose Creek in Glennallen, AK.

Began near Glennallen (62.1200, -145.5500).

Source: NOAA Storm Events Database, event 1104643. Narratives are written by the National Weather Service forecast office that issued the report.

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