Researcher predicts more intense North Atlantic tropical storms

November 30, 2012, University of Iowa
NOAA's GOES-13 satellite captured this visible image of Hurricane Sandy battering the U.S. East coast on Monday, Oct. 29 at 9:10 am EDT. Sandy's center was about 310 miles south-southeast of New York City. Tropical Storm force winds are about 1,000 miles in diameter. Credit: Image courtesy of NASA GOES Project

Tropical storms that make their way into the North Atlantic, and possibly strike the East Coast of the United States, likely will become more intense during the rest of this century.

That's the prediction of one University of Iowa researcher and his colleague as published in an early online release in the prestigious Journal of Climate, the official publication of the American Meteorological Society.

The study is a compilation of results from some of the best available computer models of climate, according to lead author Gabriele Villarini, assistant professor of civil and environmental engineering and assistant research engineer at IIHR-Hydroscience & Engineering, and his colleague Gabriel Vecchi of the National Oceanic and Atmospheric Administration, Princeton, N.J.

"We wanted to conduct the study because intense tropical cyclones can harm people and property," Villarini says. "The adverse and long-lasting influence of such storms recently was demonstrated by the damage Hurricane Sandy created along the East Coast."

The study itself examines projected changes in the North Atlantic Power Dissipation Index (PDI) using output from 17 state-of-the-art global climate models and three different potential scenarios. The PDI is an index that integrates storm intensity, duration, and frequency.

"We found that the PDI is projected to increase in the 21st century in response to both greenhouse gas increases and reductions in particulate pollution over the Atlantic over the current century. By relating these results to other findings in a paper we published May 13, 2012 in the journal Nature Change, we found that, while the number of storms is not projected to increase, their intensity is," he says.

"Moreover, our results indicate that as more carbon dioxide is emitted, the stronger the storms get, while scenarios with the most aggressive carbon dioxide mitigation show the smallest increase in intensity," he says.

Explore further: New study validates hurricane prediction

More information: The complete manuscript, "Projected Increases in North Atlantic Tropical Cyclone Intensity from CMIP5 Models," can be viewed at: www.journals.ametsoc.org/doi/p … 75/JCLI-D-12-00441.1

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Telekinetic
3.7 / 5 (11) Nov 30, 2012
Someone's research grant money is about to expire, time for a new study to fund the hungry mouths.

I'd say you're on par with Pat Robertson who thinks these events are punishment from above. No less stupid.
Parsec
4.5 / 5 (8) Nov 30, 2012
Someone's research grant money is about to expire, time for a new study to fund the hungry mouths.

Are you one of the global warming deniers paid by the oil and gas industry to cast doubt on the science, or just one of those people stupid enough to buy into their propaganda? If the latter, don't feel too bad. The same folks used to run the Tobacco Research Institute and they managed to kill millions of people indirectly by casting doubt on the links between smoking and lung diseases. Using exactly the same techniques.
Jimee
5 / 5 (2) Dec 01, 2012
The tobacco folks were cynical, mass murderers, and the oil/coal industry looks to be trying to outdo them on a grand scale. Greed above decency one more time.
ryggesogn2
1 / 5 (3) Dec 01, 2012
Who funds AGW 'research'? I tried to find out who funds Mann's institute at Penn State, a public university, but the data was not available.
ryggesogn2
1 / 5 (2) Dec 01, 2012
"American's top hurricane experts have admitted defeat and abandoned efforts to make a December forecast of the number of hurricanes the following year.

William Gray and Phil Klotzbach are famous for their advance predictions of how many storms are likely to hit during the following hurricane season, which runs from June to November.

But the pair, from Colorado State University, have now announced that a look back at the past 20 years of forecasts shows that their methods do not actually work.

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