Why Massive Saharan Dust Plumes Are Blowing Into the US

Why Massive Saharan Dust Plumes Are Blowing Into the US

It’s the worst Saharan dust event the island has seen in 15, maybe 20 years, says Olga Mayol-Bracero, an atmospheric chemist at the University of Puerto Rico.

NASA's MISR views raging fires in California – Climate Change: Vital Signs of the Planet

NASA's MISR views raging fires in California – Climate Change: Vital Signs of the Planet

The Multi-angle Imaging SpectroRadiometer (MISR) instrument on NASA's Terra satellite passed over California on July 27 and July 29, observing the Carr Fire on July 27 and the Ferguson Fire on July 29.

Severe storms show off their “plume-age” – Climate Change: Vital Signs of the Planet

Severe storms show off their “plume-age” – Climate Change: Vital Signs of the Planet

"The plume pattern in the imagery instantly tells you without the need for radar or lightning observations or other information that these are the storms you really, really need to look out for," said Kris Bedka, an atmospheric scientist at NASA's Langley Research Center in Hampton, Virginia.