Volcanic ash from Indonesia's smoldering Mount Sinabung has blanketed parts of Medan, the provincial capital of North Sumatra, forcing residents to wear masks.
Earth Sciences
Jun 24, 2015
0
19
In the late spring and summer, unusual clouds form high in the atmosphere above the polar regions of the world. As the lower atmosphere warms, the upper atmosphere gets coooler, and ice crystals form on meteor dust and other ...
Earth Sciences
Jun 22, 2015
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13
If you want to assign blame on an overcast day, then cast your eyes on the tropics. Water vapor originating from the Earth's tropics is transported to midlatitudes on long filaments of flowing air that intermittently travel ...
Earth Sciences
Jun 9, 2015
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590
When tons of ash spewed into the atmosphere from a 2010 Icelandic volcano it caused havoc for vacationers across Europe. But did it also dramatically change clouds? Researchers at Pacific Northwest National Laboratory found ...
Earth Sciences
May 28, 2015
1
45
Predictions of where planes can safely fly following volcanic eruptions could be improved, thanks to fresh discoveries about ash clouds.
Earth Sciences
May 19, 2015
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69
The Colima volcano in Mexico is active again, and has been spewing out large plumes of ash nearly 3 kilometers into the air. Astrophotographer César Cantú captured this spectacular picture of lightning slicing through the ...
Earth Sciences
Apr 1, 2015
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209
Most people think of drones as instruments of warfare, but as the Federal Aviation Administration slowly opens U.S. airspace to commercial use of unmanned aircraft, they are going to become more commonplace.
Engineering
Jan 7, 2015
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23
An explosion on western Mexico's Volcano of Fire blew out a giant column of ash on Friday that rained down on some towns in two states.
Earth Sciences
Nov 21, 2014
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1
Scientists at Queen's University Belfast have led the discovery of a volcanic ash cloud that travelled from Alaska to Northern Ireland and beyond - overturning previously held assumptions about how far ash deposits can drift, ...
Earth Sciences
Nov 19, 2014
6
0
A joint NOAA/NASA satellite is one of several satellites providing valuable information to aviators about volcanic hazards. An aviation "orange" alert was posted on August 18, 2014, for Bárðarbunga, a stratovolcano located ...
Earth Sciences
Sep 26, 2014
0
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