Are we in el niño or la niña 2024
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El niño and la niña.
A major climate pattern shift has finally happened. Will it change our weather?
First predicted to form last summer, climate troublemaker La Niña has developed at last, federal climate scientists announced Thursday morning.
However, the pattern is a weak one, and isn't supposed to be around too long.
La Niña is a part of a natural climate cycle officially known as El Niño – Southern Oscillation, called ENSO by scientists.
La niña effect
The cycle swings between warmer and cooler seawater in a region along the equator in the tropical Pacific. La Niña is marked by cooler-than-average ocean water in the region.
"We finally got to La Niña!" National Weather Service meteorologist Erica Grow Cei said in an email to USA TODAY.
La Niña conditions were finally officially met this week, the National Oceanic and Atmospheric Administration (NOAA) said.
But those conditions are only expected to stick around until the spring, "with a transition to ENSO-neutral likely during March-May 2025," NOAA said in a forecast released Thursday.
What is La Niña?
La Niña is a natural climate pattern marked b
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