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How often does La Nina occur?

Updated: 8/11/2023
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βˆ™ 12y ago

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The opposite of an El Nino, La Nina is formed by cooler-than-normal subsurface waters in the central and eastern tropical Pacific. On average, it occurs every 3-6 years, but atmospheric changes, effects of industrialised nations and many other factors are gradually changing the frequency and length of La Nina.

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βˆ™ 14y ago
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βˆ™ 8y ago

About every 2-7 years for 6 months to 2 years.

El Niño Southern Oscillation shifts to its warm phase (El Nino) about every 4-7 years, being in its cool (La Niña) or neutral (sometimes called "La Nada") phase during the other times.

It occurs at any time, though it typically peaks around December.

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βˆ™ 9y ago

La Nina is a cooling of the waters in the Pacific Ocean. Because La Nina occurs every 3 to 5 years and the last one was from 2010 to 2011, it is safe to assume that the next one will occur soon, as of 2014.

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βˆ™ 9y ago

El Ninos typically happen irregularly, roughly every 2 to 7 years. The giant El Nino of 1997-98 caused approximately 33 billion dollars worth of property damage, and killed over 2,000 people.

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βˆ™ 12y ago

la Nina occures every 3-4 years

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βˆ™ 10y ago

every 3-7 years

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βˆ™ 12y ago

About every 4 years

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βˆ™ 8y ago

twice a month

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