What Is Causing the Thanksgiving Storm?

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What Is Causing the Thanksgiving Storm?
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A messy winter storm is moving across the eastern half of the United States, threatening to delay drivers and fliers right before Thanksgiving Day, one of the busiest travel times of the year.

Weather forecasters say a few key atmospheric components joined forces to create this meteorological misery.

The storm is actually the same upper level low-pressure system, or trough (essentially a dip in the jet stream), that tore over the Southwest over the last few days, Brian Hurley, a meteorologist with the National Weather Service said. The storm dumped nearly a foot of snow in parts of northern New Mexico, prompted hundreds of flight cancellations in Texas and caused several deadly traffic accidents across the region, the Los Angeles Times reported.
See more at MNN

Dust From the Russian Meteor Was in the Atmosphere for Months

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Dust From the Russian Meteor Was in the Atmosphere for Months
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Masked in the chaos, however, was an enormous plume of dust that the Russian meteor left behind in Earth's atmosphere. This cloud, which had hundreds of tons of material in it, was still lingering three months after the Feb. 15 explosion, a new study has found. Scientists created a video of the Russian meteor explosion's dust cloud to illustrate the phenomenon.