Wed, 15 Feb 2006 09:36:53 -0800
mike wilson wrote:

> Igor Roshchin wrote:
> Wed, 15 Feb 2006 00:30:41 -0800
> mike wilson wrote:
> 
> 
> PS. Rather interesting effect on IMGP2945: two horizontal lines, better 
> noticeable on the island. 
> 
> 
> Seems to be a weather or spray phenomenon.  It's on 2943, also.
> 
> 
> What do you mean by "spray phenomenon"? There are several different things 
> people call "spray phenomenon", 
> but I was not able relate those to the observed.
> Do you mean the same as what I describe below?
> 
> Yes. A possible mechanism would be that there are two or more layers of air, 
> separated because they are at different temperatures. Spray drops of a 
> certain size get trapped in one layer but not in another. As the islands seem 
> to be quite rocky, it seems reasonable to assume that there would be plenty 
> of spray around to generate this phenomenon when the conditions are right. 
> I've seen similar on the coast here but only one layer and not so clearly 
> defined. [I'll have to phix that in Photoshop 8-)))] 
> 
> I suspect it doesn't happen very often......
> 

Yes, it is possible.
Just wanted to point out that the same two layers can bee seen away from
the islands. SO, islands, probably do not play any role in creating
those layers, but they just increase the contrast of the layers.



PS. And by popular demand:
http://www.komkon.org/~igor/PHOTOS/WhaleWatch/


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