15 May 2014:
Intensity of Hurricanes
Now Peaking Farther From the Equator
Hurricane Sandy's progression
Powerful, destructive tropical cyclones are now reaching their peak intensity farther from the equator and closer to the poles, according to a new study
in the journal Nature
. Over the last 30 years, tropical cyclones, also known as hurricanes or typhoons, have moved poleward at a rate of roughly 33 miles per decade in the Northern Hemisphere and 38 miles per decade in the Southern Hemisphere. Ocean temperatures between 82 and 86 degrees F seem to be "ideal for the genesis of tropical cyclones," said MIT scientist Kerry Emanuel, who co-authored the study, "and as that belt migrates poleward, which surely it must as the whole ocean warms, the tropical cyclone genesis regions might just move with it." The poleward shift of hurricanes and typhoons could lead to "potentially profound consequences to life and property" in regions that previously had not been hit by tropical cyclones. The researchers said they are still investigating the atmospheric mechanisms behind this change, but they note that the trend seems consistent with a warming climate.
Yale Environment 360 is
a publication of the
Yale School of Forestry
& Environmental Studies
Yale Environment 360
articles are now available in Spanish and Portuguese on Universia
, the online educational network. Visit the site.
Business & Innovation
Policy & Politics
Pollution & Health
Science & Technology
Antarctica and the Arctic
Central & South America
A three-part series Tainted Harvest
looks at the soil pollution crisis in China, the threat it poses to the food supply, and the complexity of any cleanup. Read the series.
is now available for mobile devices at e360.yale.edu/mobile
The Warriors of Qiugang
, a Yale Environment 360
video, chronicles a Chinese village’s fight against a polluting chemical plant. It was nominated for a 2011 Academy Award for Best Documentary Short.
Watch the video.
Top Image: aerial view of Iceland
. © Google & TerraMetrics.
, winner of the Yale Environment 360 Video Contest, documents the work of African researchers monitoring wildlife in Uganda's remote Bwindi Impenetrable National Park. Watch the video.