Science

Hurricanes Are Moving Slower-And That's a Huge Problem

Hurricanes Are Moving Slower-And That's a Huge Problem

Taken together, these two studies suggest that climate change is already increasing the dangers posed by hurricanes and typhoons in far more ways than previously thought, and it will continue to compound numerous hazards, especially the threat of severe flooding.

These slower speeds don't mean the winds circling the eye of the storm are slowing down. For instance, if exceptionally slow-moving storms have grown more likely in recent years, does that mean "stalled" storms like Harvey-which seemed to get stuck in place for days-are increasing, too?

Dr Kossin said: 'Tropical cyclones over land have slowed down 20 per cent in the Atlantic, 30 per cent in the western North Pacific, and 19 per cent in the Australian region.

The study is in Wednesday's journal Nature.

Hurricanes are slowing down - and leaving behind a lot more damage when they make landfall, according to a new study. A slow storm increases the risk of damaging floods.

"Kossin is right that a 10 percent change in tropical cyclone motion would be an important change due to its effect on accumulated precipitation", Texas state climatologist John Nielsen-Gammon said in an email.

Adam Scott books his place in the US Open….just!
The eventual US Open champion had to sink a six-foot birdie putt on the last hole of qualifying to secure his place in the U.S. The medalist was Sam Burns , the victor of the inaugural Savannah Golf Championship on the Web.com Tour earlier this year.

He said beyond the changes in regularity and intensity of cyclones, their very "behaviour" was being affected by climate change.

"These trends are nearly certainly increasing local rainfall totals and freshwater flooding", Kossin said, "which is associated with very high mortality risk".

Another study that came out recently, using computer models, concluded that future storm movements will slow because of climate change.

"Tropical cyclones are just carried along by the wind, so it makes sense", Kossin says.

Previous research has shown that a warmer climate can hold more water moisture, so when it rains, it rains more. So it isn't clear just how much of the change that Kossin found is actually attributable to human-induced climate change.


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