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Change in major weather phenomena: El Niño will soon take a break, then La Niña will take over. Warm will be followed by cold.
According to a report by the World Meteorological Organization (WMO), the weather phenomenon El Niño, which is partly responsible for high temperatures in many places, is likely to end soon. Instead, it will be replaced by La Niña conditions in the months of August to November, with a probability of around 70 percent, according to the WMO.
El Niño causes higher water temperatures than usual, while La Niña causes lower ones. This means that temperatures at the water surface of the central and eastern Pacific near the equator could fall in the medium term.
However, the end of El Niño does not mean a pause in long-term climate change, as the Earth will continue to warm up due to heat-trapping greenhouse gases, according to the WMO.
“Our weather will continue to be more extreme due to the additional heat and moisture in our atmosphere,” said Ko Barrett, Deputy Secretary-General of the WMO. According to the current forecast, the extreme north of South America, Central America, the Caribbean and parts of East Africa, among others, should expect above-average rainfall at the start of La Niña.
According to the WMO, El Niño peaked in December. El Niño describes a warming of the central and eastern Pacific. This has a global impact, both on temperatures and as an amplifier of extreme weather events.
The phenomenon occurs naturally every two to seven years. In terms of the global average temperature, 2023 was by far the warmest year since industrialization. Under the influence of El Niño, which developed in June 2023, a record temperature has been recorded every month.
- source: heute.at/picture: End of the El Niño weather phenomenon on the horizon
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