9 d. ago
Weatherwatch: year’s worth of rain falls in Argentinian city in eight hours
Rainfall in Bahía Blanca led to 10 deaths, swept away vehicles, destroyed bridges and left areas under waterThe city of Bahía Blanca in Argentina had a new rainfall record on Friday, after a recent heatwave. More than 400mm of rain was recorded in just eight hours, more than twice the city’s previous record of 175mm set in 1930, and roughly equivalent to a year’s worth of rainfall.The heatwave primed the atmosphere for heavy rainfall by creating high instability and raising humidity levels. Then on Friday, as a cold front swept across the region, this warm moist air was able to rise, cool and rapidly condense, leading to severe thunderstorms across the region. As the front then continued northwards towards Buenos Aires over the weekend, further severe storms were triggered, containing heavy rain, hail, and strong gusts. Continue reading...
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