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    The Storm "Klaus"

    On January 23, 2009 at 15UTC, a depression achieved full maturity over the Atlantic Ocean with winds reaching 50 m/s. A whirlwind elevation characterized by a low tropopause region (gray area) was located directly below the depression, slightly to the (...)
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    Daily PV inversion

    This section aims at showing some aspects of the interaction of the main PV   pattern at 00UTC every day over the Atlantic ocean and western Europe with its environment. PV   is split in terms of synoptic scale (high-frequency) PV   (...)
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