A new paper looks at the frequency of marine heatwaves in the North Atlantic and the North Pacific since 1950.

Alaska “Blob” Tracker

“In the northeast Pacific, the record shows that marine heatwaves are more likely during an El Niño year and when the Pacific Decadal Oscillation brings warmer temperatures off the west coast of North America. So the 2013-15 “blob” likely got an extra kick from a possible transition to the favorable phase of the Pacific Decadal Oscillation, as well as from the overall warming of the ocean.” To read more, see the article in the University of Washington TODAY.

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