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posted by martyb on Tuesday February 07 2017, @06:36AM   Printer-friendly
from the surf's-up dept.

A method based on the north-south atmospheric pressure gradient along the Atlantic coast of Europe could lead to enhanced forecasting of extreme wave conditions and increased preparedness within coastal communities, a new study suggests.
...
It is based on the atmospheric pressure difference between the Canary Islands and Ireland, and is very strongly linked to the winter wave variability along most of the west coast of Europe.

Initial tests have shown it significantly outscores existing functions, particularly an index called the North Atlantic Oscillation (NAO), which has long been known to affect climate variability in the Northern Hemisphere and wave climate arriving at the coasts of the UK, Portugal, France and Ireland.

The NAO index is computed based on the difference in atmospheric pressure between the well-known 'Azores High' and 'Icelandic Low', and more energetic wave conditions are generally associated with a large atmospheric pressure difference.

More information:Bruno Castelle et al. A new climate index controlling winter wave activity along the Atlantic coast of Europe: The West Europe Pressure Anomaly, Geophysical Research Letters (2017). DOI: 10.1002/2016GL072379

If Dennis Quaid was lead author of the study, authorities need to listen.


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  • (Score: 0) by Anonymous Coward on Tuesday February 07 2017, @06:32PM

    by Anonymous Coward on Tuesday February 07 2017, @06:32PM (#464195)

    I got the bolts, you bring the anomaly.