How a mix of natural and human-caused factors caused Tropical Storm Hilary’ mess

How a mix of natural and human-caused factors cooked up Tropical Storm Hilary's soggy mess Scientists figure a natural El Nino, human-caused climate change, a stubborn heat dome over the nation’s midsection and other factors cooked up Hilary’s record-breaking slosh into California and Nevada. AP News

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“It was a combination of sort of a perfect situation of everything coming together in a way that made the storm possible,” said University of Albany atmospheric scientist Kristen Corbosiero, an expert on Pacific hurricanes.

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