Flood in Matanuska Valley, Alaska

Flood September 1, 2023 – September 2, 2023 · Matanuska Valley, Alaska

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

What the National Weather Service wrote

Heavy rains in the Matanuska Valley, specifically around Hatcher's Pass and the Enchanted Forest Subdivision in Houston, AK, reported minor flooding from 1-2 inches of rainfall that fell over the course of the 24 hour period September 1, 2023.

The wider storm

Saturated conditions from preceding storms, combined with widespread heavy rainfall of 1-2 inches over a 24 hour period, across the Susitna and Matanuska River Valleys Sept 1, 2023. These conditions and widespread, consistent rainfall pushed streams to bankfull with large swaths of the valleys experiencing minor flooding.

Began near Wasilla (61.5827, -149.7605).

Source: NOAA Storm Events Database, event 1129879. Narratives are written by the National Weather Service forecast office that issued the report.

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