The polar vortex is a large area of low pressure and cold air surrounding both of the Earth's poles. It ALWAYS exists near the poles, but weakens in summer and strengthens in winter. The term "vortex" refers to the counter-clockwise ...
Earth Sciences
Dec 15, 2016
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When NASA's Aqua satellite passed over the tropical low pressure area known as System 99L it was located over Hispaniola. The AIRS instrument aboard Aqua analyzed the low pressure area in infrared light.
Earth Sciences
Aug 26, 2016
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NASA analyzed the rainfall and cloud heights in an area of low pressure designated as System 99L that bringing rains and gusty winds to Puerto Rico, Hispaniola, Turks and Caicos and other islands in the Atlantic Ocean and ...
Earth Sciences
Aug 25, 2016
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Record-setting rainfall and flooding in southern Louisiana have been calculated at NASA with data from satellites.
Earth Sciences
Aug 15, 2016
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NASA satellite imagery captured the size of the massive winter storm that continued to pummel the U.S. East Coast early on Jan. 23, 2016.
Earth Sciences
Jan 25, 2016
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