Marine High Wind · Gulf of Alaska

Marine High Wind April 9, 2023 · Sumner Strait, Gulf of Alaska

55 mph

Measured gust (48 kt)

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

What the National Weather Service wrote

Zarembo Island RAWS measured a peak gust of 55 mph at 1255pm AKDT. The burst of high winds then tracked northward across Sumner Strait and through Wrangell Narrows.

The wider storm

A shortwave moving around a broader low in the Gulf of Alaska saw an embedded band of convective activity develop with strong cold air advection behind it, which resulted in an area of enhanced winds which tracked northward across the Inside Passage.

Began near Cape Fanshaw (56.3212, -132.8680).

Source: NOAA Storm Events Database, event 1101969. Narratives are written by the National Weather Service forecast office that issued the report.

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