Observations of air-sea interaction and intensity change in hurricanes

Joseph J. Cione, Evan A. Kalina, Jun A. Zhang, Eric W. Uhlhorn

Research output: Contribution to journalArticlepeer-review

49 Scopus citations


Recent enhancements to the tropical cyclone-buoy database (TCBD) have incorporated data from the Extended Best Track (EBT) and the Statistical Hurricane Intensity Prediction Scheme (SHIPS) archive for tropical cyclones between 1975 and 2007. This information is used to analyze the relationships between large-scale atmospheric parameters, radial and shear-relative air-sea structure, and intensity change in strengthening and weakening hurricanes. Observations from this research illustrate that the direction of the large-scale vertical wind shear at mid- to low levels can impact atmospheric moisture conditions found near the surface. Drier low-level environments were associated with northerly shear conditions. In a separate analysis comparing strengthening and weakening hurricanes, drier surface conditions were also found for the intensifying sample. Since SST conditions were similar for both groups of storms, it is likely that the atmosphere was primarily responsible for modifying the near-surface thermodynamic environment (and ultimately surface moisture flux conditions) for this particular analysis.

Original languageEnglish (US)
Pages (from-to)2368-2382
Number of pages15
JournalMonthly Weather Review
Issue number7
StatePublished - 2013

ASJC Scopus subject areas

  • Atmospheric Science


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