Moon carves wake

Posted: October 26, 2011 by tchannon in Astrophysics, climate, solar system dynamics

Figure 1, Surface air temperature profiles for seven selected UK automatic weather stations on 11 August 1999 (adapted from Hanna, 2000)

More on the above image in the second half of this article.

Eilert posted a comment on the Suggestions page about Lunar effects directly on the Earth, talks about a wake.


By chance earlier today I had unearthed some good stuff about the effects of Lunar eclipse on Earth, a long interest of mine, so I’ve put the two together as a brief post.

From suggestions Eilert says:
October 25, 2011 at 5:20 pm (Edit)

“Has anybody seen this and care to comment:

Moon’s shadow creates a wake

The article is about the GPS measurement of the total electron content (TEC) of the ionosphere during the 2009 lunar eclipse over Japan. They say the content changed during the eclipse and effected the atmospheric pressure, creating pockets of high pressure cells under the lunar shadow.

The link for the lunar article is here:

Moon’s shadow creates a wake?

(web magazines are touchy about copyright so I do not copy here)

This is very interesting from a number of points of view at Tallbloke’s.

I leave pulling out comment context to the readers.


Returning to the head image, Dr Hanna has a number of interests and one is the effect of the eclipse shadow on the atmosphere.

A link to “Monitoring and analysing the effect of solar eclipses worldwide on weather conditions in the boundary layer” artile on the University of Sheffield web site in clickable on the head image or here.

As it happens I remember that eclipse. I was visiting a customer in East Grinstead, Sussex about a design contract. It was a stinking hot day, very humid. At the appointed time it grew brown dark, it seemed to get even hotter yet there was a kind of chill, an odd experience.

I’ve seen eclipse before under clear conditions hence I feel there is some kind of linkage between eclipse and strange conditions, I connect them with heat. At various times I have looked into this, particularly those over ocean and the tropics. There are some possible connections yet never anything clear enough to really make anything of it.

My current wild posit is the combination of gravitational and deep shadow on the ocean does things to surface overturn along the path. I can’t see this is major yet surely there must be something?

Since we are on eclipse here is Xavier M. Jubier’s superb web site which is jam packed with things, includes his interactive mapping from dates, here, version of the Canon.

There are many other sites, for the less brave this is NASA

Tim Channon who is not Tallboke.

  1. Brian H says:

    Edit note: “artile on the University of Sheffield” — article on …
    I emailed Dr. Hanna as follows:
    Did any of your stations report barometric pressure changes during the 1999 eclipse, and if so are there enough data for a similar graph/report to your temperature one?

    There would be normal tidal effects, I assume, but I wonder if there’s any interaction with the temperature drop, which would imply a travelling high pressure cell I assume.

  2. Willis Eschenbach says:

    That doesn’t surprise me. I’ve experienced the moon wind, which blows across the terminator particularly during full moon.


  3. Green Sand says:

    I was in Guernsy in the Channel Isles for the 1999 eclipse, not quite on the path but very close.

    We had taken loads of “blue glass” inserts used in welders masks to a local hospice to enable people to view the action. Too much cloud left it all a bit flat.

    It was a weird light, it got cold and the only other observational of note – the lily flowers on the pond closed very quickly, interesting to watch but not sure that it helps

  4. malagaview says:

    To help visualise what is going on with the Moon perhaps its worth taking a look at the following video where Nassim Haramein demonstrates that the Earth is not revolving around the Sun… which implies the Moon is not revolving around the Earth… food for thought 🙂

  5. adolfogiurfa says:

    @malagaview says:That´s the movement of charges along a Birkeland current.

  6. Tenuc says:

    Good thread, Tim, I also am intrigued by what happens during elipses!

    I’m particularly interested in the Allais Effect. Back in the 1950’s, Maurice Allais discovered variations in the motion of a pendulum during a solar eclipses, and also found a standard variation that recurred about every 24 hours, 50 minutes. He used these variations to show that the current understanding of gravitational mechanics was incomplete.

    It is my view that the Moon or Earth block the suns charge field and this causes the observed ‘anti-gravity’ effect. This causes rapid changes to air local pressure altering temperature and humidity levels rapidly.
    [edit: link added by mod]

  7. tchannon says:

    Ever looked at the path of a full eclipse 1998 across the equator and Mexico?

    I spent some time trying to find a correlation between eclipse in certain regions and weather. The results were confusing, does and doesn’t, so I dropped the idea as null. Snag is it didn’t look random. I guess it is more complex where I wanted to look in more detail but the math was not available to me.
    A todo is a useful lunar and solar position routine, critical to a number of candidate investigations.
    (such as the ‘quake matter)

    Gravity is a wonderful counter riposte to correlation is not causation. Newton had neither statistics nor mechanism yet it is accepted as true. Someone send me a bucket of gravity, explain what it is and how it works. We still do not know.

  8. adolfogiurfa says:

    @tchannon says: Search for “gravity” here in Tallbloke….

  9. P.G. Sharrow says:

    Heavy stuff guys! the fundamentals of how everything works 😎 pg

  10. adolfogiurfa says:

    @tchannon: Someone send me a bucket of gravity…kind of a bucket full with a soup of letters, as we are entangled in words, in a labyrinth of names given to the one and only force in its various manifestations.
    Perhaps, at the beginning, there was nothing but the Force and the Void; The Unity and Zero, static energy and a empty condenser, when the force began to fill the void, in a altruistic act of love, it created a current of manifested energy. As the energy in a photon when converted into electricity changed names, from then on we got drowned under endless tags….
    So, when we are attached to a charged body by what we call gravity, we could choose another known name for that, and so on.
    The only force manifests itself always in a harmonic manner, as Pythagoras saw it, when explaining his square triangle….