E1 Nino usually lasts for about 18 months. The 1982-83 E1 Nino brought the most 52 weather in modern history. Its effect was worldwide and it left more than 2,000 people dead and caused over eight billion pounds 53 of damage. The 1990 E1 Nino lasted until June 1995. Scientists 54 this to be the longest E1 Nino for 2,000 years.
Nowadays, weather experts are able to forecast when an E1 Nino will 55 , but they are still not 56 sure what leads to it or what affects how strong it will be.
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