El Nino and La Nina
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Devastating Floods in Texas, Oklahoma Driven by El NiñoSevere floods in Texas and Oklahoma are causing devastation after multiple storm systems battered a formerly drought-stricken area, according to experts.
By Elizabeth Howell Published
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Billions of Blue Jellyfish Setting Sail for BeachesBillions of by-the-wind sailors, also called Velella velella, could wash ashore in coming months because of favorable water temperatures and onshore winds.
By Becky Oskin Published
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El Niño Brings Wet Summer to Plains; Western Drought ContinuesThe West can expect its warm and dry weather to continue through the summer, while the central Plains will be relatively cool and wet.
By Becky Oskin Published
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2015 Already Setting Heat RecordsThe first three months of 2015 set new global heat records.
By Becky Oskin Published
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'Warm Blob' in Pacific Ocean to Blame for Wonky US WeatherA warm blob of water squished into a patch in the Pacific Ocean may be to blame for the weird weather the United States has experienced this year.
By Tia Ghose Published
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El Niño Can Predict Tornado Season's SeverityThis year's El Niño may deliver a quiet tornado season.
By Becky Oskin Published
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After Much Ado, El Niño Officially DeclaredA weak El Nino has finally emerged a year after its first signs of forming, but weather impacts will be muted.
By Andrea Thompson Published
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How Tree Rings Reveal Climate Secrets (Infographic)Scientists study ancient trees to learn about past droughts.
By Karl Tate Published
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La Niña Events May Spike with Climate ChangeThe weird weather phenomenon known as La Niña could occur nearly twice as often in the future as it does now, due to global warming, researchers say in a new study.
By Charles Q. Choi Published
