Category: Southern California

West Coast Wind Blog: Unexpected very fast clearing brings winds stronger than forecast for Southern California coast.

by Mike Godsey, mikeATiwindsurf.com The Southern California coast winds were a bit stronger than forecast yesterday June 28. With an upper trough overhead, the marine layer clouds far inland at dawn and typically the onshore flow and an AM eddy would keep the clouds lingering near the coast. This in turn typically limits heating and…

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West Coast Wind Blog: North Pacific High finally makes a move on San Francisco IF Southern California Cut-Off Low moves southward.

by Mike Godsey The satellite animation below shows a large counter-clockwise spinning Cut-Off Low over Southern California at ≈ 18,000 ft. Notice the fast-moving gravity waves rippling westward and northward from this disturbance. Further north the North Pacific High’s surface NW winds are being bumped towards San Francisco. But for this to happen tomorrow, Saturday,…

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West Coast Wind Blog: Excuses, Excuses… Now a Cut-Off Low + eddy make Bay Area & Southern California forecasting tricky.

by Mike Godsey,mikeATiwindsurf.com For several weeks now our forecast team has been struggling with San Francisco Bay Area forecasting during a surface eddy pattern that is unprecedented in its duration and longevity. Now we have to add a Cut-Off Low up at ≈ 18,000 ft. to the mix. And there is a reason for the…

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West Coast Wind Blog: How the NPH and convergence aloft helped jazz up our surface NW wind

by Mike Godsey, mikeATiwindsurf.com As you can see in my banner animation above lots of sites had strong wind yesterday. The day played out pretty much as outlined in my 2 recent blogs about convergence aloft and the two NPH’s merging. This blog shows how the surface winds you see in the banner were related…

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West Coast Wind Blog: How winds aloft impact the strength of the North Pacific High and California winds April 9.

Upper convergence and divergence the strength of the North Pacific High:  by Mike Godsey, mikeATiwindsurf.com ROUGH DRAFT There is a tendency of many kiters and especially sailors to look at the wind from a 2-dimensional perspective. This means we only care about the direction and strength of the wind. Although kiters are sometimes aware that their…

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