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'Optimism Is High' In The West As El Niño Strengthens06:04
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A map shows sea surface temperatures on July 28, 2015. El Niño is characterized by unusually warm temperatures in the Pacific and affects global temperatures and rainfall. (NOAA)
A map shows sea surface temperatures on July 28, 2015. El Niño is characterized by unusually warm temperatures in the Pacific and affects global temperatures and rainfall. (NOAA)
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One thing is now almost certain - or as certain as it gets with forecasting and climate: El Niño is here to stay, at least through the fall, and most likely through the end of the year. Models show it's been growing steadily stronger since the spring.

Here & Now's Jeremy Hobson talks with Bill Patzert, climate scientist at the NASA Jet Propulsion Laboratory at CalTech, about what the latest models are showing, and what we might expect from a strong El Niño year.

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This segment aired on July 29, 2015.

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