Flood in Susitna Valley, Alaska

Flood August 27, 2023 – August 28, 2023 · Susitna Valley, Alaska

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

What the National Weather Service wrote

One to three inches of heavy rainfall flooded low lying areas of the Susitna Valley, including the main road that crossed Kroto and Moose Creeks. This road closure limited resident access to their homes.

The wider storm

Widespread precipitation fell across the Talkeetna, Susitna, Yentna and Skwenta Basins in late August as a deep, upper-level low anchored itself over the Bering Sea, sending waves of precipitation through the area. The persistent moist pattern followed a prolonged period of wet conditions over the previous months, leading to high flows and flooding across the Susitna Basin and associated rivers in the basin over the course of the period.

Began near Talkeetna (62.1376, -150.5265).

Source: NOAA Storm Events Database, event 1127817. Narratives are written by the National Weather Service forecast office that issued the report.

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