Applying physics principle yields grim prediction on hurricane destruction in an era

December 17, 2019

BROOKLYN, New York, Tuesday, December 17, 2019 - Global warming could lead to hurricanes even more powerful than meteorologists currently forecast. That warning came from a physicist researching the behavior of tropical cyclones who noticed that one of the principles of physics -- phase transition -- did not appear in the scientific literature of meteorology.

Edward Wolf, professor emeritus at the NYU Tandon School of Engineering, examined the most robust data sets on tropical hurricanes -- compiled by noted atmospheric scientist Kerry Emanuel in 2006 on Atlantic storms dating as far back as the 1930s off the coast of Africa. In a paper published recently in the journal Theoretical and Applied Climatology, Wolf demonstrated that the destructive power of these tropical hurricanes increased linearly and rapidly as water temperature increased -- in contrast to most meteorological calculations, which lead to more optimistic outcomes.

"This approach indicates the destructive power of Atlantic hurricanes off Africa could reach three times their current level if water temperatures rise by 2 degrees Celsius -- well within the range that scientists predict is likely by the year 2100," Wolf said. "The same calculations would apply to any tropical basin on Earth, and I am working with Dr. Emanuel now to explore this new concept in the hope that it will advance scientists' predictive ability."

The journal paper showed how Wolf's calculations aligned with what has become accepted science: Hurricanes require a surface water temperature above 26.5 degrees Celsius (79.7 degrees Fahrenheit). And every plot of Emanuel's graph of his power dissipation index values-versus-ocean temperature substantiated Wolf's initial suspicion that phase transitions -- such as the transition from water to vapor - indicate just how much kinetic energy is released as the water that was turned to vapor by a hurricane then cools and falls to Earth as liquid.
"Critical Behavior of Tropical Cyclones" is available at Wolf began investigating the implications of phase transitions on hurricanes while researching his book Can Physics Save Miami (and Shanghai and Venice) by Lowering the Seas? (2019, Morgan & Claypool Publishers, Online ISBN: 978-1-64327-428-7, Print ISBN: 978-1-64327-425-6).

About the New York University Tandon School of Engineering

The NYU Tandon School of Engineering dates to 1854, the founding date for both the New York University School of Civil Engineering and Architecture and the Brooklyn Collegiate and Polytechnic Institute (widely known as Brooklyn Poly). A January 2014 merger created a comprehensive school of education and research in engineering and applied sciences, rooted in a tradition of invention and entrepreneurship and dedicated to furthering technology in service to society. In addition to its main location in Brooklyn, NYU Tandon collaborates with other schools within NYU, one of the country's foremost private research universities, and is closely connected to engineering programs at NYU Abu Dhabi and NYU Shanghai. It operates Future Labs focused on start-up businesses in Brooklyn and an award-winning online graduate program. For more information, visit

NYU Tandon School of Engineering

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