Category: Northwest

Why Southern California coast winds DIED today!

Cut-Off Low unexpectedly kills Southern California coast winds. by Mike Godsey, mike@iwindsurf.com The forecast was clear that the winds were in jeopardy today due to a nagging vague Catalina Eddy and the threat of clouds forming due to a Cut-Off Low over the S. F. Bay Area. But nothing in the forecast prepared you for the almost complete lack of wind. So what…

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Cut-Off Low and its impact on the North Pacific High’s surface NW winds

Cut-Off Low moves towards Bay Area by Mike Godsey, mike@iwindsurf.com Today, Saturday August 17 saw the strongest coast NW winds in the Bay Area in many weeks with the Waddell sensor hitting 28 knots and many sites inside the bay seeing winds over 20 knots. The first image to the right shows how the huge dome of high pressure between California and…

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June Gloom in August……Why?

Video: nagging upper trough @ ≈ 18,000 ft. brings unending SW flow. by Mike Godsey, mike@iwindsurf.com For almost 2 weeks now a deep marine layer and SW flow has dominated the Bay Area wind. While the North Pacific High’s surface NW wind has seldom made an appearance. This pattern favors Sherman Island and the East Bay but it has mostly killed the coast winds…

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Southern California Cut-Off Low and coast wind.

Cut-Off Low at ≈ 18,000 ft. deepens Southern California marine layer by Mike Godsey, mike@iwindsurf.com The Southern California coast wind picture does not look very promising until at least Tuesday and then improves Wednesday. Why? Because the marine layer clouds will be deep and lingering while the inland valleys will be relatively cool so the pressure gradient from the ocean to the valleys will be…

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Video: Monsoonal conditions and Southern California winds

What is a Monsoon? by Mike Godsey, mike@iwindsurf.com Several times each mid summer Southern California coast winds fade away as mid and upper level clouds, humidity and even showers or thunderstorms come over the region. In this situation you will see the media and our forecast use the term “Monsoonal” in the forecast. Most of you think of…

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