Sep 30, 2015

Everything you need to know about the surprisingly cold ‘blob’ in the North Atlantic ocean

Chris Mooney
Washington Post
Image: NOAA
Image: NOAA

What explains the cold blob in the North Atlantic? Michael Mann of Penn State and Stefan Rahmstorf of the Potsdam Institute for Climate Impact Research say that to see a pattern like this, in an otherwise record hot year, is a sign that the Atlantic ocean’s so-called “meridional overturning circulation” or AMOC — which is driven by differences in ocean temperature and salinity in the North Atlantic — may be slowing down