Clouds can increase warming in the changing Arctic region more than scientists expected, by delivering an unexpected double-whammy to the climate system, according to a new study by researchers at NOAA, the University of ...
Earth Sciences
Dec 10, 2015
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NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft has spotted a luminous patch of electric-blue drifting across the Arctic Circle. The sighting marks the beginning of the 2015 season for noctilucent clouds (NLCs).
Earth Sciences
Jun 3, 2015
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Some of the coldest air of the 2014-2015 winter season was settling over the eastern two-thirds of the U.S. on February 13, 2015. That Arctic air mass brought wind chills from below zero to the single numbers from the Midwest ...
Earth Sciences
Feb 13, 2015
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For the first time, modeling research led by Pacific Northwest National Laboratory found that atmospheric particles can brighten cold clouds in the Arctic. Using simulations, they showed that low clouds over the Arctic may ...
Earth Sciences
Dec 5, 2014
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A new NASA field campaign will begin flights over the Arctic this summer to study the effect of sea ice retreat on Arctic climate. The Arctic Radiation IceBridge Sea and Ice Experiment (ARISE) will conduct research flights ...
Earth Sciences
Aug 15, 2014
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Arctic clouds are widespread and play an important role in climate, but different models have produced widely varying predictions about the properties of these clouds. This study analyzes simulations of Arctic clouds by 11 ...
Earth Sciences
May 6, 2014
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(Phys.org) —Thin Arctic clouds can no longer hide, thanks to scientists at Pacific Northwest National Laboratory. Atmospheric data gathered by skyward pointing instruments can be "contaminated" by clouds so wispy that they ...
Earth Sciences
Jan 7, 2014
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(Phys.org) —When it doesn't show signs of stopping, most of us just mumble a few choice words and get out the snow shovel. Scientists, however, wonder where all that snow is coming from, particularly in pristine places ...
Earth Sciences
Dec 23, 2013
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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 against the ...
Earth Sciences
Jun 10, 2013
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Arctic sea ice has been declining over the past several decades as global climate has warmed. In fact, sea ice has declined more quickly than many models predicted, indicating that climate models may not be correctly representing ...
Earth Sciences
Mar 31, 2012
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