El nino is a weather phenomenon

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Scientists have been anticipating El Niño for months, while also expressing “The ocean does a very good job of holding heat,” Alex DaFilva, a meteorologist at AccuWeather, says. “It can release some of that heat and cause global temperatures to be a little bit warmer. This year is probably going to be in the top five years for global temperatures, I think.” In the Pacific Ocean under standard conditions, trade winds—wind patterns that blow horizontally along the equator—travel east to west bringing warm water from South America towards Asia. At regular speed, the trade winds cause ample wave movement, allowing the warm surface water and the deeper cold water to mix in the ocean. But when the trade winds slow down, wave movement drops and the stillness halts water from mixing as much. “It doesn’t take much as soon as those winds weaken,” DaFilva says. The ocean’s temperature quickly warms up, leading to an episode of El Niño. Read more: How long is it expected to last? El Niño usually occurs every two to seven years, more frequently than its opposing climate phenomenon, La Niña, but neither follows a schedule. El Niño typically lasts nine to 12 months, but can sometimes carry on for years. Experts predict that this year, El Niño is likely to continue through the summer, fall, and winter. “There are some computer models that are indicating that it might even go into later next year,” DaFilva says. The last period of El Niño spanned several months from late 2018 to mid-2019. ...

It formed a month or two earlier than most El Ninos do, which “gives it room to grow,” and there’s a 56% chance it will be considered strong and a 25% chance it reaches supersized levels, said climate scientist Michelle L’Heureux, head of NOAA’s El Nino/La Nina forecast office. “If this El Nino tips into the largest class of events ... it will be the shortest recurrence time in the historical record,” said Kim Cobb, a climate scientist at Brown University. Such a short gap between El Ninos leaves communities with less time to recover from damages to infrastructure, agriculture, and ecosystems like coral reefs. Usually, an El Nino mutes hurricane activity in the Atlantic, giving relief to coastal areas in states from Texas to New England, Central America and the Caribbean, weary from recent record busy years. But this time, forecasters don’t see that happening, because of Hurricanes strengthen and grow when they travel over warm seawater, and the tropical regions of the Atlantic Ocean are “exceptionally warm,” said Kristopher Karnauskas, associate professor at the University of Colorado Boulder. So this year, NOAA and others are predicting a In the past, a strong El Nino has led to record global warmth, like in 2016 and 1998. Scientists earlier this year had been saying “The onset of El Nino has implications for placing 2023 in the running for warmest year on record when combined with climate-warming background,” said University of Georgia meteorology professor Marshall She...

Early morning hikers rest before walking down Piestewa Peak, a city park in Phoenix, Ariz. El Niño makes a record-breaking average annual temperature for Earth more likely. Ryan Kellman/NPR hide caption toggle caption Ryan Kellman/NPR El Niño is officially here, and that means things are about to get even hotter. The natural climate phenomenon is marked by warmer ocean temperatures in the equatorial Pacific, which drives hotter weather around the world. "[El Niño] could lead to new records for temperatures," says Michelle L'Heureux, a climate scientist at the National Oceanic and Atmospheric Administration's Climate Prediction Center. The hottest years on record But temperature superlatives obscure the bigger trend: the El Niño also exacerbates other effects of climate change. In the Northern United States and Canada, El Niño generally brings drier, warmer weather. That's bad news for Canada, which already had an abnormally hot Spring, and is grappling with widespread wildfires from Alberta all the way to the Maritimes in the East. In the Southern U.S., where climate change is making dangerously heavy rain storms more common, El Niño adds even more juice. That's bad news for communities where flash floods have destroyed homes and even killed people in recent years, and where drain pipes and stormwater infrastructure is not built to handle the enormous amounts of rain that now regularly fall in short periods of time. The one silver lining for U.S. residents? El Niño is not ...

It formed a month or two earlier than most El Ninos do, which “gives it room to grow,” and there’s a 56% chance it will be considered strong and a 25% chance it reaches supersized levels, said climate scientist Michelle L’Heureux, head of NOAA’s El Nino/La Nina forecast office. “If this El Nino tips into the largest class of events ... it will be the shortest recurrence time in the historical record,” said Kim Cobb, a climate scientist at Brown University. Such a short gap between El Ninos leaves communities with less time to recover from damages to infrastructure, agriculture, and ecosystems like coral reefs. Usually, an El Nino mutes hurricane activity in the Atlantic, giving relief to coastal areas in states from Texas to New England, Central America and the Caribbean, weary from recent record busy years. But this time, forecasters don’t see that happening, because of Hurricanes strengthen and grow when they travel over warm seawater, and the tropical regions of the Atlantic Ocean are “exceptionally warm,” said Kristopher Karnauskas, associate professor at the University of Colorado Boulder. So this year, NOAA and others are predicting a In the past, a strong El Nino has led to record global warmth, like in 2016 and 1998. Scientists earlier this year had been saying “The onset of El Nino has implications for placing 2023 in the running for warmest year on record when combined with climate-warming background,” said University of Georgia meteorology professor Marshall She...

Early morning hikers rest before walking down Piestewa Peak, a city park in Phoenix, Ariz. El Niño makes a record-breaking average annual temperature for Earth more likely. Ryan Kellman/NPR hide caption toggle caption Ryan Kellman/NPR El Niño is officially here, and that means things are about to get even hotter. The natural climate phenomenon is marked by warmer ocean temperatures in the equatorial Pacific, which drives hotter weather around the world. "[El Niño] could lead to new records for temperatures," says Michelle L'Heureux, a climate scientist at the National Oceanic and Atmospheric Administration's Climate Prediction Center. The hottest years on record But temperature superlatives obscure the bigger trend: the El Niño also exacerbates other effects of climate change. In the Northern United States and Canada, El Niño generally brings drier, warmer weather. That's bad news for Canada, which already had an abnormally hot Spring, and is grappling with widespread wildfires from Alberta all the way to the Maritimes in the East. In the Southern U.S., where climate change is making dangerously heavy rain storms more common, El Niño adds even more juice. That's bad news for communities where flash floods have destroyed homes and even killed people in recent years, and where drain pipes and stormwater infrastructure is not built to handle the enormous amounts of rain that now regularly fall in short periods of time. The one silver lining for U.S. residents? El Niño is not ...

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Scientists have been anticipating El Niño for months, while also expressing “The ocean does a very good job of holding heat,” Alex DaFilva, a meteorologist at AccuWeather, says. “It can release some of that heat and cause global temperatures to be a little bit warmer. This year is probably going to be in the top five years for global temperatures, I think.” In the Pacific Ocean under standard conditions, trade winds—wind patterns that blow horizontally along the equator—travel east to west bringing warm water from South America towards Asia. At regular speed, the trade winds cause ample wave movement, allowing the warm surface water and the deeper cold water to mix in the ocean. But when the trade winds slow down, wave movement drops and the stillness halts water from mixing as much. “It doesn’t take much as soon as those winds weaken,” DaFilva says. The ocean’s temperature quickly warms up, leading to an episode of El Niño. Read more: How long is it expected to last? El Niño usually occurs every two to seven years, more frequently than its opposing climate phenomenon, La Niña, but neither follows a schedule. El Niño typically lasts nine to 12 months, but can sometimes carry on for years. Experts predict that this year, El Niño is likely to continue through the summer, fall, and winter. “There are some computer models that are indicating that it might even go into later next year,” DaFilva says. The last period of El Niño spanned several months from late 2018 to mid-2019. ...

Most Popular • Automakers can’t quit manual transmissions so they’re cramming fake stuff into EVs • Reddit CEO Steve Huffman isn’t backing down: our full interview • Reddit CEO Steve Huffman: Reddit ‘was never designed to support third-party apps’ • It’s not just you: Steam suddenly looks nice • Microsoft Teams integration is being removed from Windows 11