Jet Stream Blues – the movie.

These are the two animations I made of the UK winter storms based on charts from and then synchronised with my calculations of the tidal forces.

First the Jet Stream.

This animation is of Jet Stream data over Europe and North Atlantic originating from It is overlaid with calculations of the tractional tidal forces updated every 2 hours. This animation covers the period 1 December 2013 until 13th February 2014. Do strong atmospheric tidal forces influence Jet stream flows ?

Now the storms themselves tracking across the Atlantic.

This animations shows the development and progression of a series of storms to hit the UK over winter 2013/14. The weather maps are curtesy of and show pressure isobars coloured effectively by air temperature. Overlaid with arrows are the vector “tractional” forces acting on the atmosphere/oceans due to lunar/solar tides. The tides are updated every 2 hours with the rotation of the  earth rotates. The weather maps update every 12 hours. You can stop the animation to step through each storm.  The storms December 5/6 and January 3/6 in particular show evidence of being influenced by atmospheric tides.

Apologies in advance for the sound tracks!   You can always mute them !

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2 Responses to Jet Stream Blues – the movie.

  1. Clive, I don’t see the correlation in the video, but that may be just my lack of being able to process the visual clues fast enough. I recommend that you keep trying to come up with a measure of correlation that is not subject to interpretation — as I think the results could have lots of interesting implications.

    • Clive Best says:

      I think you are right. In order to pin this down once and for all I(we) need to define a tidal index which shows a clear relationship to the lunar orbit. There is circumstantial evidence linking storms to strong tides. There are several papers linking the 18.6 y cycle to droughts across US and Asia. There is even this paper
      “27.3-day and 13.6-day atmospheric tide”, GuoQing Li, HaiFeng Zong showing an oscillation in global wind patterns.

      However to get the meteorological community to take this seriously some clear deterministic evidence is needed.

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