High within towering thunderclouds, a distinct form of intracloud lightning, known as "narrow bipolar pulse" discharges, can occur. Like other forms of lightning, narrow bipolar events (NBE) can be either negative or positive ...
Earth Sciences
Feb 11, 2013
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(Phys.org)—Weather forecasters have long known that El Niño events can throw seasonal climate patterns off kilter, particularly during winter months. Now, new research from NOAA and the University of Washington suggests ...
Environment
Feb 8, 2013
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(Phys.org)—Small clouds equal big impact. Researchers at Pacific Northwest National Laboratory designed an update to a frequently used computer model that represents the impact of small, puffy, fair-weather clouds on the ...
Earth Sciences
Jan 15, 2013
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Wind shear is pushing the bulk of Tropical Storm Rosa southeast of the storm's center, and that's evident on infrared imagery from NASA's Aqua satellite. Meanwhile System 99E, that was trailing behind Rosa on Oct. 31, has ...
Earth Sciences
Nov 1, 2012
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One of NASA's infrared "eyes" is an instrument that flies aboard the Aqua satellite, and it provided data that helped forecasters determine that low pressure "System 90E" strengthened into the eastern Pacific Ocean's eleventh ...
Earth Sciences
Sep 12, 2012
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Post-tropical cyclone John has been "flushed" out of existence in the eastern Pacific Ocean, and infrared NASA imagery revealed warmer cloud top temperatures and virtually no precipitation from John's remnants on Sept. 4.
Earth Sciences
Sep 5, 2012
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Infrared satellite data from NASA's Aqua satellite showed a very small area of strong thunderstorms north of the center of what is now post-tropical storm Fabio as it moves toward the southern California coast.
Earth Sciences
Jul 18, 2012
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(Phys.org) -- NASA researchers are about to fly off on a campaign that will take them into the heart of thunderstorm country.
Earth Sciences
May 9, 2012
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Scientists at the National Center for Atmospheric Research (NCAR) and other organizations are targeting thunderstorms in Alabama, Colorado, and Oklahoma this spring to discover what happens when clouds suck air up from Earth's ...
Earth Sciences
May 1, 2012
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Some of us look at clouds and see animal shapes. Scientists are looking beyond. For the first time, a team of scientists led by Pacific Northwest National Laboratory used actual measurements of clouds and the atmosphere in ...
Earth Sciences
Feb 13, 2012
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