SWELTERING Brits should think again before wishing for heavy rain to dampen the current heatwave as it could have a devastating consequence. A scientist has revealed how the extreme hot weather actually risks causing flash floods, if a massive downpour were to follow too soon. University of ReadingWater is absorbed by land normally but it barely moves from a cup on dry land[/caption] In an eye-opening video experiment Professor Rob Thompson, from the University of Reading’s meteorology department, demonstrates why it could be dangerous. It comes down to how quick land is able to absorb rainfall. Using a cup of water, the expert shows what happens to water on grass that’s wet, grass during a normal British summer, and grass dried out by the heatwave. Tipping the cup of water upside down on each patch, the dried out ground struggles to absorb any water at all, while the other two take it in a lot faster. This means, if heavy rain were to drop suddenly with grass as scorched out as it is at the moment, we could be faced with serious flash floods. “Britain desperately needs rain to break this drought,” he told PA. “But we should be careful…
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Shocking experiment reveals how heatwave could actually lead to FLASH FLOODS if heavy rain follows