Priora oscillation

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The Priora Oscillation is the name given to a sudden climatic change, which occurred approximately 3,300-3,200 BC. It is associated with a sudden surge of the Priora Glacier in Italy.

The Priora period seems associated with a period of colder drier air over the Western and Eastern Mediterranean, and may have depressed rainfalls as far afield as the Middle East. It is also associated with a sudden onset of drier weather in the central Sahara. Ötzi, the frozen neolithic mummy found in Northern Italy, may also have been a victim of this climatic shift.