News Climate

Arctic warming bolsters summer heat waves

Slowing jet stream spawns weaker continent-cooling storms

warming map

SCORCHING SUMMER  The waning of summer storms due to Arctic warming can exacerbate summertime heat waves across the Northern Hemisphere, such as the record-setting summer 2003 season chronicled above in Europe, new research suggests. Red regions experienced hotter July temperatures than those measured in 2001.

NASA

By Thomas Sumner

- More than 2 years ago

Sweltering summertime heat waves are on the rise across the Northern Hemisphere because of atmospheric changes brought on by Arctic warming, new research shows.