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ABC News
ABC News
National
ABC Meteorologist Tom Saunders

Bureau of Meteorology considering change to El Niño and La Niña definitions

Past La Niña and El Niño events could be reclassified as non-existent if the definitions are overhauled. (ABC News: Tim Swanston)

The Bureau of Meteorology (BOM) is in discussions with international atmospheric agencies to overhaul how La Niña and El Niño are defined, potentially rewriting the record books of global weather history.

The potential revamp of the world's most dominant driver of weather variability follows a year of occasional confusion when meteorological agencies released contradictory declarations on the state of the Pacific Ocean.

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