The National Oceanic and Atmospheric Administration's Climate Prediction Center has indicated that there is 60 percent possibility of a weak La Nina event developing during this autumn and can perhaps be active until March of 2025. La Nina is an important component of a natural climate cycle that can cause extreme temperatures across the globe, encompassing changes in wind and ocean temperature within the Pacific Ocean.The impacts can vary according to different regions.
What is La Nina?
La Nina is the cold phase of the ENSO cycle. It translates to "little girl" in the Spanish language. The event is characterised by below-normal sea surface temperatures in the central and eastern Pacific Ocean. This cooling effect often causes anomalies in normal weather patterns , hence creating different climatic effects at various regions across the globe. While El Nino is the warm phase when weakened trade winds across the Pacific allow warm ocean waters to accumulate along the western coast of South America.
What will be the impact on global levels?
The exact effects of the La Nina are not completely predictable, the reports suggest that the northern parts of South America would receive more rainfall. It may cause flood and water related problems in those regions. On the other hand, dry conditions could be experienced in the southern parts of the United States and parts of Mexico, possibly causing droughts and water shortages.
Regionally, the northern tier of the United States and southern Canada are forecasted to receive more rainfall than the average. This may mean more snowfall and higher precipitation, affecting agriculture, infrastructure, and daily living.
What do the experts say about the La Nina for this year?
“A weaker event makes it more likely that other weather and climate phenomena could play the role of spoiler”, said Becker in NOAA 's latest La Niña/El Niño blog. The Climate Prediction Center on Thursday released its latest forecast, and much of the attributes of typical La Niña winters are consistent with the earlier predictions in the season. Experts caution that it's unlikely to be a reliable season this time, said Jon Gottschalck, chief of the operational prediction branch, it might even go week to week in weather, rather than prolonged periods of stable weather. Michael Morgan, NOAA's assistant secretary of commerce for observation and prediction, also cautioned, "In a warming world, we continue to see weather extremes manifest in the coldest months."
The world also experienced unusual weather conditions in the past year
Reportedly, the world experienced a rare "triple-dip" event from 2020 through 2023. This has involved three successive La Nina years, which is a rather uncommon phenomenon. For a much longer time of cooler-than-average sea surface temperatures in the central and eastern Pacific, major global weather patterns were affected-including protracted droughts in some places and excessive rainfall in others. This was unusual because such weather conditions prevailed last during 1973-1976.
What is La Nina?
La Nina is the cold phase of the ENSO cycle. It translates to "little girl" in the Spanish language. The event is characterised by below-normal sea surface temperatures in the central and eastern Pacific Ocean. This cooling effect often causes anomalies in normal weather patterns , hence creating different climatic effects at various regions across the globe. While El Nino is the warm phase when weakened trade winds across the Pacific allow warm ocean waters to accumulate along the western coast of South America.
What will be the impact on global levels?
The exact effects of the La Nina are not completely predictable, the reports suggest that the northern parts of South America would receive more rainfall. It may cause flood and water related problems in those regions. On the other hand, dry conditions could be experienced in the southern parts of the United States and parts of Mexico, possibly causing droughts and water shortages.
Regionally, the northern tier of the United States and southern Canada are forecasted to receive more rainfall than the average. This may mean more snowfall and higher precipitation, affecting agriculture, infrastructure, and daily living.
What do the experts say about the La Nina for this year?
“A weaker event makes it more likely that other weather and climate phenomena could play the role of spoiler”, said Becker in NOAA 's latest La Niña/El Niño blog. The Climate Prediction Center on Thursday released its latest forecast, and much of the attributes of typical La Niña winters are consistent with the earlier predictions in the season. Experts caution that it's unlikely to be a reliable season this time, said Jon Gottschalck, chief of the operational prediction branch, it might even go week to week in weather, rather than prolonged periods of stable weather. Michael Morgan, NOAA's assistant secretary of commerce for observation and prediction, also cautioned, "In a warming world, we continue to see weather extremes manifest in the coldest months."
The world also experienced unusual weather conditions in the past year
Reportedly, the world experienced a rare "triple-dip" event from 2020 through 2023. This has involved three successive La Nina years, which is a rather uncommon phenomenon. For a much longer time of cooler-than-average sea surface temperatures in the central and eastern Pacific, major global weather patterns were affected-including protracted droughts in some places and excessive rainfall in others. This was unusual because such weather conditions prevailed last during 1973-1976.
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