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Flood in S. Slopes of Ern Brooks Range, Alaska

Flood June 10, 2023 · S. Slopes of Ern Brooks Range, Alaska

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

What the National Weather Service wrote

Water levels rose rapidly on the Middle Fork of the Koyukuk River on Friday June 9th and went overbank and caused minor flooding by Saturday morning June 10th. At Wiseman, residents reported approximately 3 inches of water over the lower part of the access road into Wiseman. The high water caused bank erosion and some erosion on the Wiseman Road surface. High groundwater levels also caused flooding of the crawl space in at least one home in Wiseman along Wiseman Creek.

The wider storm

A weather front brought high freezing levels and heavy rain to the Brooks Range. The combination of rainfall and snowmelt runoff from a late winter snowpack resulted in minor flooding along the Koyukuk River and tributaries draining the Brooks Range. Rainfall totals ranged from 1 to 2 inches between June 8th to the 10th, with the bulk of the rain falling in less than 24 hours.

Began near Wiseman (67.4195, -150.1078).

Source: NOAA Storm Events Database, event 1120043. Narratives are written by the National Weather Service forecast office that issued the report.

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