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North Atlantic marine heat wave more severe than predicted

www.cnn.com The North Atlantic is experiencing a 'totally unprecedented' marine heat wave | CNN

Temperatures in parts of the North Atlantic Ocean are soaring off the charts, with an “exceptional” marine heat wave happening off the coasts of the United Kingdom and Ireland, sparking concerns about impacts on marine life.

The North Atlantic is experiencing a 'totally unprecedented' marine heat wave | CNN

Once again, we are experiencing the intensity of a climate event that far surpasses what was ever predicted under current conditions.

Marine heat waves (MHW) have increased 20-fold, according to this study. It is projected that such events, occurring once every hundreds to thousands of years under a pre-industrial climate, will occur at least every decade under 1.5ºC conditions and annually under 3.0ºC conditions.

However, the MHW currently underway in the North Atlantic is “very exceptional,” said Mika Rantanen, a researcher at the Finnish Meteorological Institute and is “way beyond the worst-case predictions for the changing climate of the region."

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