dataset : Atlantic Hurricane Database

National Hurricane Center


Atlantic Hurricane Database
Published in 2014. Version 2.

The National Hurricane Center (NHC) conducts a post-storm analysis of each tropical cyclone in its area of responsibility to determine the official assessment of the cyclone's history. This analysis makes use of all available observations, including those that may not have been available in real time. In addition, NHC conducts ongoing reviews of any retrospective tropical cyclone analyses brought to its attention, and on a regular basis updates the historical record to reflect changes introduced via the Best Track Change Committee (Landsea et al. 2004a, 2004b, 2008, 2012, Hagen et al. 2012,). NHC has traditionally disseminated the tropical cyclone historical database in a format known as HURDAT (short for HURricane DATabase – Jarvinen et al. 1984). This report updates the original HURDAT documentation to reflect significant changes since 2012 to both the format and content for the tropical cyclones and subtropical cyclones of the Atlantic basin (i.e., North Atlantic Ocean, Gulf of Mexico, and Caribbean Sea). The original HURDAT format substantially limited the type of best track information that could be conveyed. The format of this new version - HURDAT2 (HURricane DATa 2nd generation) - is based upon the “best tracks” available from the b-decks in the Automated Tropical Cyclone Forecast (ATCF – Sampson and Schrader 2000) system database and is described below. Reasons for the revised version include: 1) inclusion of non-synoptic (other than 00, 06, 12, and 18Z) best track times (mainly to indicate landfalls and intensity maxima); 2) inclusion of non-developing tropical depressions; and 3) inclusion of best track wind radii.


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