Cloud Streeting

By WeatherFlow meteorologist Shea Gibson on 11/22/2020. This is what cool Canadian northerly air diving down over warmer Atlantic waters looks like. It is called “horizonal convective rolling” or “cloud streeting” where cool, condensed air sinks over a more buoyant, warm and moist environment that is capped at the surface. The thermal lifting process then…

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Subsidence and How it Can Affect Winds

We hear the term “subsidence” is weather every once in  awhile. But what is it? To understand that, we have to know that it is usually associated with robust areas, or “domes” of High pressure. Warm moist air that has been lifted high up in the atmosphere by cold fronts and/or central Low pressure(s) eventually…

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West Coast Wind Blog: Upper ridge brings heat and weak California coast winds.

This animation shows how large scale events distant California both vertically and horizontally can impact our temperatures and winds. Looking at this animation first notice the upper trough and upper ridge that are moving towards the Golden State from the west. Focus on the upper ridge which is a northward extending loop of upper-level winds at…

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Hurricane Delta Rapid Intensification 10/5/20 – 10/6/20

By WeatherFlow meteorologist Shea Gibson 10/6/20 This year has certainly shown a very active hurricane season, and it is not over officially until November 30th. We are currently in the Greek alphabet on Hurricane Delta, which has exploded in strength over the last 36 hours. As of 8AM Monday morning (10/5/20), winds were only at…

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