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The 1997-98 El Nino is the strongest

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on record. And its impacts were felt all over the world.

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Extreme weather patterns drought wildfires

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floods all can be linked to a pool of warm water

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moving across the Pacific. Scientists predict this

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year's El Nino could be the strongest yet. But what's different today

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is NASA has an entirely new fleet of satellites and instruments orbiting

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above Earth. With advanced sensors and cameras, that will allow us to see

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this year's El Nino like never before. El Ninos have happened

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for more than two centuries. The changes are always good for some place

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and bad for somewhere else. The observations will help scientists to answer

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fundamental questions about how Earth's land, oceans, and atmosphere

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are connected, allowing them to predict the shape of events in the future.

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These observations can now be built into models that tell

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us how fires and other natural events are influenced by each one-degree change in

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ocean temperature. From the vantage of space, NASA's

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network of satellites and instruments will explore how such small changes

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can have a broad affect on people around the globe. And reveal the dynamic

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big picture of the 2015 El Nino.

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music