Pollution may be strengthening Asian cyclones | Science News


Science News is a nonprofit.

Help us keep you informed.


Pollution may be strengthening Asian cyclones

Sooty brown cloud cools water and lowers wind speeds, study finds

2:13pm, November 2, 2011

A large and growing brown cloud of persistent air pollution hovering over northern India and surrounding regions has doubled — and occasionally tripled — the intensity of late spring cyclones in the Arabian Sea during the past three decades.

Within the past decade, several notable early-season tropical cyclones have ripped through the region. Gonu, the strongest, smashed through the Middle East in 2007, killing dozens and causing more than $4 billion worth of damage. “This supercyclonic storm was Katrina-like in size and intensity,” says climate scientist Amato Evan of the University of Virginia in Charlottesville.

These big stor

This article is only available to Science News subscribers. Already a subscriber? Log in now. Or subscribe today for full access.

Get Science News headlines by e-mail.

More from this issue of Science News

From the Nature Index Paid Content