Air Algerie Flight 5017 had just changed its flight path to avoid a fierce thunderstorm when it disappeared. Saharan Africa is known for powerful weather that could be challenge for any pilot. Miguel Marquez looks at why weather patterns around the equator could be so dangerous.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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