May 9, 2020 at 9:16 am

La Nina Watch Issued; Strong La Nina Projected To Develop Through Summer 2020 well into The 2020-2021 Winter Storm Season

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Southern California Weather Force has issued La Nina Watch with the projection calculation of a fast developing La Nina through this Summer and lasting well through the next rainy season of 2020-2021 so read on for details on what to expect …

First and foremost, the Equatorial Pacific Ocean is showing signs of La Nina right now with the latest sea surface temperatures coming in.  Other agencies expect this to be a hiccup and that we will likely see a neutral season coming up, which is neither La Nina or El Nino.  However, trends on my calculations are certainly showing up as much stronger of a La Nina signal and this will happen as early as this Summer as cold water up-welling occurs west of South America with a weakening of the trade winds.

Summer 2020 as a result will have far more Atlantic Hurricanes and fewer Pacific Hurricanes.  What that means for us is that the lack of Pacific Hurricanes will keep the pressure systems from developing

However the position I expect the monsoon ridge to be in may actually make us in Southern California have an average and even below average monsoon season.  We will need to rely on moisture from the Gulf of Mexico to be sucked westward into our region with the increased Atlantic Hurricanes I expect.  This is a long-shot and most of the moisture as a a result will stop in Arizona and curve into Utah and Nevada.

As for the Winter Season, a Strong La Nina in my forecast means a much colder winter to come so after this coming ‘Summer’ many may welcome the cold again.


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