Posted on by weatherlawyer

Earth

It isn’t possible to understand the relationship of the earth and the moon without having at least some idea how a spinning top works. So it would be an idea to bone up on gyroscopes. However, the earth isn’t a gyroscope for two reasons:
1 it is an oblate sphere and thus asymmetrical and:
2 it is part of a twin planet system.

There is a third problem but it is covered by #1: The earth has a chaotic fluid carapace.

This is a complex skin that has itself a system of gyroscopes or vortices, intimately connected to the surface of the planet making it hard for whatever causes them to accomplish “vortex shedding”. Instead these phenomena skid along the surface as ocean gyres or above the surface as weather.

As well as being several miles shorter in diameter through the poles compared to its equatorial diameter (about 20 miles IIRC, not a lot in 8000 -but enough) the earth is gifted with gravitational anomalies (mascons.) The main ones are to the east of North America and south of the Himalayas (negative anomalies.) And from New Zealand to Indonesia; the northern stretch of the Mid Atlantic Ridge and the Chilean Andes (positive anomalies.)

The largest anomaly is the Indonesian-New Zealand one and may explain why almost all earthquake series start and end with quakes between the Fijian Islands and Papua New Guinea. (There is another minor series that oscillates between the islands in the Norwegian Sea  and South Atlantic. Presumably the importance of this will be revealed in its own sweet time.)

All these anomalies have a unsettling effect on the rotational properties of the earth that in some manner is controlled or catered for by the moon. (And probably the planets.) This has the result of allowing the weather in any region to be indicated by the time of the phase of the moon.
Unfortunately, this lunar effect doesn’t work in a linear process. Fortunately for us, neither do I.

171 Replies to “Earth”

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