«The rapid warming of the Atlantic Ocean created high pressure zones in the upper atmosphere over that basin and low pressure zones close to the surface of the ocean,» said Prof Axel Timmermann, co-lead and corresponding author from the University of Hawaii. (dotearth.blogs.nytimes.com)
Weather in the tropics is dominated by convective storms that develop mainly along the intertropical convergence zone (ITCZ), the subtropical high pressure zone, and oceanic disturbances in the trade winds that sometimes develop into hurricanes. (physicalgeography.net)
As the air «piles» up in the northern and southern latitudes, these zones of «piled - high» warm air become permanent high pressure zones. (extremescience.com)