Latin America and the Caribbean are caught in an increasingly tight climatic vise. Devastating floods follow tenacious droughts, temperatures soar beyond bearable limits, and storms once considered exceptional are becoming the norm. According to a report by the World Meteorological Organization (WMO), Mexico, alone, has recently been the scene of all these extreme phenomena, perfectly illustrating what scientists call 'hydrological whiplash'.
Latin America: A Laboratory for Climate Extremes
The concept of 'hydrological whiplash' describes an abrupt and rapid transition from one extreme hydrological condition to another, for example, from severe drought to massive floods, or the coexistence of these phenomena at a regional scale. This is precisely what is unfolding in Latin America. Recent observations, detailed by Inside Climate News, reveal an alarming reality: floodwaters, however abundant, fail to erase the long-term effects of prolonged droughts. These droughts deplete groundwater reserves and weaken ecosystems, making soils less able to absorb subsequent intense rains, thereby exacerbating the risk of flash floods.
Beyond floods and droughts, the region faces a relentless increase in temperatures. Record heatwaves have pushed mercury well beyond survival thresholds in some areas, threatening public health, agriculture, and biodiversity. Concurrently, the frequency and intensity of tropical storms and hurricanes have increased, causing massive destruction and population displacement. These events, once considered anomalies, are now part of the region's 'new climate reality', as highlighted by the WMO report.