Global warming impacts hurricanes, of course, but also tsunamis

From Dr. James Hansen, long a top climate scientist, formerly at NASA, now at Columbia University, in “Ex-NASA Scientist Dr. James Hansen: We Need to Act Now to Preserve Our Planet for Future Generations, Democracy Now!, 10/10/18, asked by Amy Goodman about the connection of global warming to Hurricane Michael and the recent tsunami in Indonesia:

“…when you add the human-caused increase in sea level to the tsunami, it makes it more damaging. That has been actually apparent on the recent hurricanes hitting the United States. The sea level—global average sea level has gone up by 20 centimeters because of greenhouse warming, which is about 8 inches, but along the coast, eastern coast, of the United States, it’s about twice as much. And when you add that sea level rise to the storm surges, it makes them that much worse.

“And, of course, the warming also increases the amount of water vapor in the atmosphere, increases the rainfall totals. And so, the global warming effect has been making hurricane effects significantly larger. There’s also a recent paper by James Kossin which argues that the speed, the translation speed of these storms, in many cases, has been slowed down, and that in the case of the Houston and the Carolinas hurricanes, they moved slowly, and so the rainfall totals were exceptionally large. And this is attributable—the slowing of the speed, in general, can be related to the global warming….”

read the full interview at Democracy Now!.

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