El Niño and La Niña drive seasonal weather patterns over Canada and across the world. Explore these high-impact events and how they affect weather here at home.

These periods between extremes are known as a “neutral” phase. Check out The Weather Network’s hub page for all the latest on El Niño, La Niña, and what it means for your seasons ahead!

While El Niño is characterized by warm, above-average sea-surface temperatures, La Niña is a climate pattern that tends to occur soon after El Niño and brings on opposite, cold effects.

“We had three back to back winters where we had La Nina conditions, which was unusual because the only other case of that happening was back in 1973 to 1976,” said Michelle L’Heureux, a climate ...

The strong El Nino weather condition that added a bit of extra heat to already record warm global temperatures is gone. It's cool flip side, La Nina, is likely to breeze in just in time for peak ...

Climate scientists are predicting that 2023 could be an El Niño year, which means this year may be warmer than normal. The El Niño-Southern Oscillation, or ENSO, is a phenomenon that can change ...

Tulane University. "El Niño and La Niña climate swings threaten mangroves worldwide." ScienceDaily. ScienceDaily, 23 May 2025. <www.sciencedaily.com / releases / 2025 / 05 / 250523120456.htm>.

La Nina is the cool phase of the El Nino-Southern Oscillation, a naturally occurring global climate pattern that involves changes in wind and ocean temperatures in the Pacific and can cause ...

The strong El Nino weather condition that added a bit of extra heat to already record warm global temperatures is gone. It's cool flip side, La Nina, is likely to breeze in just in time for peak ...

The National Oceanic and Atmospheric Administration’s Climate Prediction Center says there is a 60% chance that a weak La Nina event will develop this autumn and could last until March.

Just recently Earth experienced a “triple-dip” La Nina event from 2020 to 2023. “We had three back to back winters where we had La Nina conditions, which was unusual because the only other case of ...

La Nina could soon arrive. Here’s what that means for winter weather By: Isabella O'malley, The Associated Press Posted: 5:30 PM CDT Wednesday, Oct. 16, 2024 Last Modified: 12:07 PM CDT Thursday ...