The National Hurricane Center's latest advisory says Hurricane Dorian is forecast to be a Category 4 hurricane when it makes US landfall. Follow live updates:
While Hurricane Dorian has not been caused by the climate crisis, we do know that climate change is making hurricanes more dangerous.Rising sea levels, a product of expanding oceans, the loss of ice sheets and melting glaciers, makes a storm surge more menacing. Water levels along the Florida coast are nearly a foot higher than they were a century ago, automatically making the storm surge much higher.As water and air warms, evaporation increases and the air is capable of holding more water.
And as the climate crisis has already seen the world become 1 degree hotter than it was 100 years ago, that means that there’s more than 7% more water available in the atmosphere. When storms come along, they ring out that atmospheric moisture as rain, resulting in an increase of the rate of rainfall in hurricanes – and all other storms. We saw this during Hurricane Florence and Harvey, two of the wettest hurricanes ever recorded.
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