To understand how Harvey could be impacted by climate change, you have to understand how unique a storm it is. Harvey underwent "rapid intensification," gaining strength very quickly. From Thursday morning into Friday afternoon, it transitioned from a tropical storm with winds of 45 miles per hour to a Category 3 major hurricane with winds of 125 miles per hour in only 36 hours.
Rapid intensification isn't necessarily rare, but it is very hard to forecast. When all the conditions come together just right, a storm can really "blow up" and intensify very quickly.
Harvey was downgraded to a tropical storm over the weekend and expected to make a third landfall.
It is rare for a storm to move inland and then back out again over the same body of water it came from. Excessive rainfall has caused flooding more devastating than the impact of Harvey's initial landfall itself.
Full story at http://cnn.it/2glrb6P
Source: CNN
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