Seville, in southern Spain’s Andalusia region, has a hot-summer Mediterranean climate with around 530 mm (about 21 inches) of rain a year, concentrated almost entirely in autumn, winter, and spring, while summer is reliably dry and extremely hot. The Guadalquivir river running through the city has a long history of flooding during unusually wet winters, though modern flood control has significantly reduced this risk compared with past centuries. Rain here, when it comes, can arrive as slow-moving Atlantic frontal systems bringing sustained moderate rainfall over a day or two. Because the dry season is so pronounced, the first heavy rains of autumn tend to be the most disruptive. Spain’s AEMET operates the national radar network.
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