Category: Southern California

West Coast Wind Blog: Front passes and southerly winds turn westerly an ROAR!

by Mike Godsey ROUGH DRAFT text later today Southern California and San Francisco Bay Area kiters and windsurfers know the drill. A storm passes then the North Pacific High move towards the coast and its NW winds curve into the

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

West Coast Wind Blog: Meet Eddy! The new weather landlord of the Pacific?

  by Mike Godsey, mikeATiwindsurf.com The satellite imagery below from today, May 7, 2019, really shows the lingering eddy in action. If you work the waters north of the Bay Bridge Eddy looks beautiful. But if the Peninsula or the coast

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

West Coast Wind Blog: The earth vs. the eddy

Hi Gang, Sunday, April 28: If you are a wind addicted kite or windsurfer the eddy is probably on your minds a lot recently. Either because it is wrecking your wind or because it is making great wind at your

West Coast Wind Blog: Ships at Sea and using the right tools.

by Mike Godsey, mike AT iwindsurf.com Note: This blog uses Southern California as an example of picking the best model using ship reports but the basic idea of the blog is relevant to all regions in the USA. On winter

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

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

West Coast Wind Blog: Southern California low pressure can bring wind riches or poverty.

by Mike Godsey, mikeATiwindsurf.com, More photos here Lots of you know about the thermal trough (aka “heat bubble”) that can kill some Southern California sites, especially from Belmont to Seal, when we get a major heat event. But if I

West Coast Wind Blog: An “Omega Block” is not a watch brand boycott.

by Mike Godsey, Mike AT iwindsurf.com This symbol, omega, is the last letter of the Greek alphabet and a famous watch brand. But in meteorology, it is the shape of the omega symbol, written in our upper-level winds, that has

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