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Marine High Wind · Gulf of Alaska

Marine High Wind April 9, 2023 · Northern Lynn Canal, Gulf of Alaska

59 mph

Measured gust (51 kt)

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

What the National Weather Service wrote

The burst of high winds tracked northward from the Juneau to Icy Strait area, and up through Lynn Canal. Winds peaked at 53 mph at Rocky Island and 51 mph at Little Island, then topping out at 59 mph at Eldred Rock. More impactful would have been that all of the observation points noted the peak gusts after a sudden shift to the south from a light northerly.

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 Point Retreat (58.2107, -134.9353).

Source: NOAA Storm Events Database, event 1101996. Narratives are written by the National Weather Service forecast office that issued the report.

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