October 2, 2022

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Article on wind and turbulence near the surface in landfalling tropical cyclones published in Nature Scientific Reports – Hurricane Research Division

1 min read

This study examines the structure of the part of the atmosphere closest to the surface in a landfalling tropical cyclone (TC) using land-based tower observations. Turbulence is made up of random and continuously changing wind that mixes the atmosphere allowing the energy from the warm ocean below to move upward and fuel the hurricane.  Observations show that the strength of vertical turbulent mixing is greatest about 160 m above the surface and is stronger over land than over water.  These new  observations can be used to evaluate and improve model forecasts.

The paper can be accessed at https://www.nature.com/articles/s41598-022-14929-w For more information, contact aoml.communications@noaa.gov.

Jun Zhang was supported by U.S. Office of Naval Research Grant N00014-20-1-2071 and National Oceanic and Atmospheric Administration Grants NA21OAR4590370 and NA19OAR4590239.

noaahrd

2022-07-07 13:40:02

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