West Coast Wind Weblog: The North Pacific Excessive and Baja winds.

 Ask anybody who wings, kites or windsurfs the west coast from The Gorge to Los Barriles to Hawaii and they’ll heard of the North Pacific Excessive.

This dome of excessive stress spans a lot of the Pacific and modifications form, location and measurement each day and seasonally. This brings commerce winds Hawaii, NW clearing winds to the San Francisco Bay Space and Southern California, NW winds to Baja’s Pacific facet from San Quintin, Baja Norte to Abreojos, Baja Sur whereas the NPH turbocharges the loopy robust winds of the Columbia River Gorge. And naturally to La Ventana, El Sargento and Los Barriles on the Sea of Cortez’s Baja’s East Cape.

However it is rather do all these venues blow on the similar time. This is because of pretty dependable seasonal modifications within the North Pacific Excessive. This graphic exhibits the common form, location and measurement of the North Pacific Excessive over 43 years. In current many years the the North Pacific Excessive has turn out to be way more variable on account of local weather change and the elevated frequency of La Niña and El Nino occasions. Plus the NPH has turn out to be extra liable to extending a ridge, indicated by RED ridge on this diagram, into far Northern California and the Pacific Northwest impacting the winds in that space.

When you ply the waters of the Gorge, San Francisco or Southern California it looks as if the North Pacific Excessive disappears within the winter.

However in actuality, it simply shrinks and transfer nearer to Baja within the winter.

The North Pacific Excessive is often not the most important winter wind maker for Baja’s East Cape. However in current many years it usually strikes nearer to Baja as indicated by the Inexperienced Ridge within the diagram.

If the North Pacific Excessive’s floor NW winds are weak close to the Pacific facet of Baja Sur a few of this NW winds could filter by arroyos to Baja’s East Cape the place it seems as random gusts of WNW winds that push the North wind away from shore, particularly at El Sargento and typically La Ventana.

If the North Pacific Excessive’s floor NW winds are robust close to the Baja pacific coast they will mix with El Norte winds from the USA’s Nice Basin to create robust gusty winds on Baja’s East Cape.

This steadily occurred in the course of the epic 2022-2023 winter and in addition on November 2, 2022

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