News tagged with volcanic ash clouds

How atmospheric rivers form

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 ...

dateJun 09, 2015 in Earth Sciences
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Volcanic lightning recreated in the lab

An LMU team has, for the first time, created volcanic lightning in the lab and captured it on film. The new findings may permit rapid characterization of ash clouds released by volcanic eruptions and improve ...

dateJan 10, 2014 in Earth Sciences
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NASA image: Night-shining clouds

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 ...

dateJun 22, 2015 in Earth Sciences
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Noctilucent clouds get an early start

Every summer, something strange and wonderful happens high above the north pole. Ice crystals begin to cling to the smoky remains of meteors, forming electric-blue clouds with tendrils that ripple hypnotically ...

dateJun 10, 2013 in Earth Sciences
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UK budget airline to test ash cloud detector

A U.K. budget airline will create an artificial volcanic ash cloud over Europe this summer to test ash detection technology. The experiment aims to avoid the kind of chaos that paralyzed air traffic during ...

dateMay 09, 2013 in Earth Sciences
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Total autopilot: A step closer

(Phys.org)—Will planes someday fly without pilots? Three EPFL laboratories, commissioned by Honeywell and operating under the auspices of EPFL's Transportation Center, are working on this possibility by ...

dateSep 20, 2012 in Engineering
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