Devastating rainfall has hit south-eastern Africa in the past few weeks, swelling rivers, overwhelming key reservoirs and sending floodwaters into heavily populated areas. WMO's Coordination Mechanism has been providing Global HydroMet Weekly Scans to inform humanitarian actions and to save lives. Mozambique is worst hit. Flooding has affected at least 650,000 people, displaced hundreds of thousands, destroyed tens of thousands of homes, killed livestock, washed away crops and led to a risk of cholera and other water-born diseases. A new World Weather Attribution Study said that climate change and La Niña combined to create the ‘perfect storm’ in the floods, which have also hit SouthAfrica, Zimbabwe and Eswatini. The study said the intensity of heavy downpours has increased by 40% since preindustrial times, with some areas receiving over a year’s rain in just days. Both Mozambique and South Africa are champions of #EarlyWarningsForAll, with a national roadmap to ensure coher...