On Tuesday, 8 July 2014 11:09:12 UTC+1, Weatherlawyer wrote:

You have heard about this before but here is the full story:

Mainly because I told you about often enough, you damned sheeple.

quote

I designed anaesthetic machines in a lab that was two garages end to end. The lab was long and thin, rather like a railway carriage.

One morning the cleaner who was in a state of distress. She had just been crept up on by a ghost.

I checked to confirm there were no leaking anaesthetic gases. We were extremely careful with the anaesthetic agents.

Over the following weeks we experienced weird events.

The following day I came in early to fit my favourite handle to a foil. When I put the blade into the vice, the free end began to move on its own.

This vibration required energy, something less supernatural might be involved.

I transferred the foil blade to a drill vice and slid it along the floor. The amplitude of the blade movement peaked next to the desk halfway down the room.

From the measurements, I formed the hypothesis that a low frequency (LF) standing wave of about 19 Hz with significant amplitude was the cause of this supernatural encounter.

Maintenance staff had installed [an electric fan] the previous weekend.

/quote

http://www.prosoundweb.com/article/p... tanding_waves

So you see, it is all a matter of timing.
And USAnian spelling?
OK so something was lost in translation but maybe something was gained.

It isn't a great step to introduce an hypothesis about well known natural phenomena such as the Icelandic Low. The IL is on a volcanic ridge, FFS.

From there it is a similar sized step to consider the effect a Blocking High would have on seismic phenomena:
quote
One characteristic of every standing wave pattern is that there are points, which appear to be standing still. These points, sometimes referenced as points of no displacement, are commonly called as nodes.

There are other points along the atmospheric medium which undergo vibrations between large positive and large negative displacements. These points undergo the maximum displacement during each vibrational cycle of the standing wave.
/quote

The angular distance between the southern tip of Greenland and the shores of Norway and Scotland are such that a low can in the right circumstances stretch between them in a negative NAO period.

I have only seen it happen the once in a positive period and that was with a non Atlantic super-storm. Needless to say there are any number of traffic accidents in such spells.

Make nothing of it as you do, see if I care.