Is it El Nino or La Nina 2021?

Is it El Nino or La Niña 2021?

La Niña conditions have officially developed and are expected to remain in place through the entirety of winter 2021-2022. So what exactly does that mean? La Niña means we’re in the negative phase of the El Niño Southern Oscillation, or ENSO for short.

Is 2022 an El Nino year?

The ECMWF extended seasonal forecast from August actually shows the developing warm phase (El Nino) during Summer 2022.

What does La Niña cause?

La Niña is a phenomenon that describes cooler than normal ocean surface temperatures in the Eastern and Central Pacific Ocean, regions close to the equator off the west coast of South America. In some parts of the world, La Niña causes increased rainfall, while in other regions, it causes extreme dry conditions.

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How long will the La Niña last?

The current La Niña is expected to persist until late summer or early autumn 2022. However, there are reasons to expect that this La Niña will not be as disruptive as the exceptionally strong event of 2010-12, including the fact that the 2010-12 La Niña coincided with a negative phase of the Indian Ocean Dipole.

Was the North American heat wave really a 1000-year weather event?

An extreme heat wave affected much of Western North America from late June through mid-July 2021. Rapid attribution analysis found this was a 1000-year weather event, made 150 times more likely by climate change.

Where has it been the hottest summer in the United States?

At least 67 weather stations from Washington State through New Mexico have recorded their hottest temperatures ever this summer, the National Weather Service said this week. Those records stretched back at least 75 years.

Will this be the fourth major heat wave in the west?

This will be the fourth major heat wave to afflict parts of the West since early June, bringing dangerously hot temperatures and helping fuel the deepening drought and exploding wildfires across the region.

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Where did the California heat wave affect the most?

The heat wave affected Northern California, Idaho, Western Nevada, Oregon, and Washington in the United States, as well as British Columbia, and, in its latter phase, Alberta, Manitoba, the Northwest Territories, Saskatchewan, and Yukon, all in Canada.