source Reuters / Adrees Latif Over the past 70 years, the speed of hurricanes and tropical storms has slowed about 10% on average, according to new research. That doesn’t mean storm systems have become less intense, just that they’re crossing Earth more slowly, which actually gives storms more time to dump rain and lash an area with powerful winds. Over land, especially in the North Atlantic and Western North Pacific, storms are moving 20-30% more slowly. When Hurricane Harvey hit the Texas coast on August 25, 2017, it made landfall as a Category 4 storm with 130-mph winds. Harvey was the first major hurricane to hit the US since 2005, but it weakened to a tropical storm over land, which hurricanes tend to do when they are no longer drawing warmth and energy from the sea. But then the storm did something different. It stalled. For days, Harvey dumped unprecedented amounts of rain on and around Houston. It sucked up more water from the Gulf and even reversed direction, setting records and causing more than $126 billion in damage and economic loss. Tom Di Liberto described it on the National Oceanic and Atmospheric Administration’s (NOAA) website as the “storm that… Read full this story
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Hurricanes and typhoons are becoming ‘sluggish’ — and that makes them more destructive have 345 words, post on www.businessinsider.sg at June 7, 2018. This is cached page on CuBird. If you want remove this page, please contact us.