Hurricane Risk pp 123-133 | Cite as

The 2015 Hurricane Season in the North Atlantic: An Analysis of Environmental Conditions

  • Jennifer M. CollinsEmail author
  • David R. Roache
Part of the Hurricane Risk book series (HR, volume 1)


The 2015 North Atlantic hurricane season was particularly inactive, this inactivity occurring in the presence of a near-record El Niño, the strongest since 1997. When analyzing large-scale environmental conditions utilizing NCEP/NCAR Reanalysis 2, we show that the Caribbean was particularly inactive under very strong wind shear and positive Omega conditions. While conditions generally were not conducive in the North Atlantic, there were conducive conditions present at specific times and specific locations, and these tended to be when and where we saw tropical cyclone activity. Vorticity in particular showed large intraseasonal variability with the location of the positive vorticity relating to storms such as Ana in May, Claudette in July, multiple storms in August and September, and Joaquin in October. We assess how the active and inactive periods observed during the 2015 hurricane season were related to this month to month atmospheric variability.


Hurricanes North Atlantic 2015 season 



We thank the reviewers of this paper.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.School of GeosciencesUniversity of South FloridaTampaUSA

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