Jon -

The current US Navy wave height projection shows major activity just =
south
of Greenland and also another area of high wave height southeast of =
Iceland.

You can reference the data at the following web site

	https://www.fnmoc.navy.mil/PUBLIC/WAM/all_glbl.html

Cheers

Bob Hancock


-----Original Message-----
From: psn-l-request@.............. [mailto:psn-l-request@............... =
On
Behalf Of jonfr500@.........
Sent: Sunday, December 10, 2006 15:32
To: psn-l@..............
Subject: Low period noise

Hi all

I am suffering from a hard disk failure at my main computer, so I am =
using
my secondary computer to send this email. I won't be able to fix it =
until
Tuesday at the first. The hard disk is giving up, being 3 years old and =
all
that.

But that is not what I did want to speak about. On my sensor I see a low
period noise. This is not the weather, the weather is fine so far. This =
low
period noise is so low that it registers from 0.1Hz and to 1Hz, but the =
main
peak is around 0.2Hz. This would not have been interesting except for =
the
fact that this low period noise also appears on the sensors that IMO is
running. This has also mean that there is a increase in noise on =
frequency's
around 4Hz. This might be a storm related noise, but if someone has a
different idea what this might be. Please let me know.

My first idea on this that this might be related to change in volcano
pressure somewhere. I am not sure however on that, yet. I saw something =
like
this happen before Grimsvotn eruption in 2004, but on a lot smaller =
scale.
Then there was a increase in background noises few hours before the
eruption, I saw it back then on IMO sensor. I didn't have a sensor at =
that
time.

Regards.
J=F3n Fr=EDmann.  =20
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