The climate phenomenon known as ““La Niña” has finally made her appearance, although weakly, which makes it unlikely to cause the meteorological problems usually associated with this event, meteorologists reported last Thursday, January 9.
“La Niña”, as opposed to the better-known “El Niño”, consists of an irregular cooling of waters in a key region of the central equatorial Pacific, which alters global climate patterns.
The most recent episode of “El Niño” concluded last June, and since then, the National Oceanic and Atmospheric Administration (NOAA) had been anticipating the arrival of “La Niña” for the past few months.
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The late arrival of this phenomenon may have been influenced by the fact that The world’s oceans have been much warmer in recent years, said Michelle L’Heureux, head of the “El Niño” team at the NOAA.
“It is not at all clear why this ‘The Girl’ has taken so long to form, and I have no doubt that it will be a topic of much research,” indicated L’Heureux.
In the United States, “La Niña” tends to cause drier weather in the South and West. It tends to make the climate wetter in parts of Indonesia, northern Australia and southern Africa, L’Heureux added. They also typically bring more Atlantic hurricanes in the summer months, but L’Heureux predicted that this time it will have dissipated by summer.
“El Niño” often leads to wetter weather in the United States and tends to increase global temperatures, while “La Niña” has the opposite effect. Studies have found that La Niña droughts have been more costly than climate extremes linked to El Niño.
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