on Climate Realizer Global temperature data can be tracked in real time since 1979. The 17.23 degrees recorded on Thursday is the highest average global temperature so far, according to their figures.
– These are amazing, amazing numbers, says Eric Kjellström.
boy
However, the fact that the record is currently being broken is not surprising, according to him. This is because global average temperatures are usually higher when it is summer in the Northern Hemisphere, but also because the world is in a mode called El Niño.
In an El Niño setting, surface water temperatures in parts of the central Pacific become higher than normal, and because it is such a large area, it affects the global average temperature. It’s also been warm in large parts of the North Atlantic for a long time, says Eric Kjellstrom, and continues:
– But that doesn’t mean it’s getting warmer everywhere, just that it’s getting warmer everywhere, and now it’s about one degree warmer than the average for these days in July between 1979 and 2000. But it’s important to say that these Overview.
The high temperatures in Antarctica also have an effect. In some places it was 20 degrees warmer than usual.
– It’s a lot. But there are also great ups and downs in the Antarctic winter. It is generally cold there, but this deviates from the norm.
warm up
Erik Kjellstrom finds it clear that higher average global temperatures are waiting for him. However, it is not possible to say when, since it relates to odd numbers and odd days.
– It’s not impossible that Thursday’s A-list has already been beaten this summer, but we don’t know that at all. Or if it will take until next year or if it will take five years. It’s impossible to say, but the probability is increasing as a result of global warming.
– So it gets more and more every year, says Eric Kjellström.
El Niño is a weather phenomenon that occurs at intervals of two to seven years. Photo: Johan Hallnäs / TT
El Niño and La Niña are phases of the El Niño-Southern Oscillation (ENSO) weather cycle. El Niño warms the surface waters in the eastern parts of the Pacific Ocean while La Niña (the girl) cools them.
El Niño returns on average every two to seven years and typically lasts nine to twelve months. The climax often occurs around Christmas time, hence the name El Niño (The Boy).
El Niño effects such as increased precipitation usually affect parts of southern South America, the southern United States, the Horn of Africa, and Central Asia, while severe drought may occur over Australia, Indonesia, and parts of southern Asia.
La Niña effects have opposite conditions. As it gets drier in South America, it rains more frequently in Australia with a higher risk of flooding.
The last time the world experienced an El Niño was in 2018-2019.
There is nothing abnormal about El Niño and La Niña, but they do happen from time to time. It has been noted that they have occurred at least since the nineteenth century.
Sources: WMO, SMHI
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