Science. Tropical cyclones are closer to land around the world

Madrid, 28 (Europe Press)

According to a new statistical analysis from Imperial College London, tropical cyclones are approaching land as their tracks move toward the poles and west.

The findings, published in the journal Science, could herald an increased risk of these devastating storms for coastal residents around the world. Tropical cyclones are one of the most devastating and costly natural disasters, and today nearly a third of the world’s population resides within reach.

Recently, it has been observed that these storms are getting stronger and occur at higher latitudes than in the past. Although man-made impacts of climate change are believed to be the driving force behind these changes, their potential impact on coastal areas remains unclear.

Understanding these trends is critical to better gauging how coastal tropical cyclone risks will change in the future. For this reason, researchers Shuai Wang and Ralph Tomei studied global activity of tropical cyclones during the period 1982-2018 and discovered that in addition to their migration towards the poles, tornado activity is approaching Earth around the world. Globalism.

According to their results, the distance between the maximum intensity point of each storm and the Earth decreased by about 30 kilometers per decade. In addition, the proportion of tropical cyclones entering coastal regions – defined as the area of ​​the high seas less than 200 kilometers from the nearest Earth – has also increased every decade, they say.

Wang and Tommy discover a westerly shift in tropical cyclone tracks. They say that tropical cyclone activity is moving westward in the western Pacific, eastern Pacific, and northern and southern Indian oceans.

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Although the reasons behind these displacements remain unclear, the authors suggest that they may be due to differences in the large-scale atmospheric circulation systems of Locker and Hadley.

Aileen Morales

"Beer nerd. Food fanatic. Alcohol scholar. Tv practitioner. Writer. Troublemaker. Falls down a lot."

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