Impact of glider data assimilation on the global ocean forecasting system during the 2018 hurricane season

Maria Aristizabal Vargas, Travis Miles, Scott Glenn, Patrick Hogan, W. Douglas Wilson, Roy Watlington, Benjamin Lacour

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Accurate ocean initial conditions are necessary to improve hurricane intensity forecast. We assessed qualitatively the impact of glider data assimilation on the Global Ocean Forecasting System (GOFS 3.1), which provides the initial conditions to the NOAA hurricane forecasting models. For this assessment we used temperature data from two gliders that were within the range of influence of hurricane Michael and Florence. We conclude that the assimilation of glider data in GOFS 3.1 was crucial to improve the pre-storm vertical stratification during Michael. However, the assimilation frequency in the current setup, once a day, was insufficient to capture the rapid cooling of the surface layer. During Florence, GOFS 3.1 did not predict the evolution of the sea surface temperature because the model did not capture the extend of the MAB cold pool.

Original languageEnglish (US)
Title of host publicationOCEANS 2019 MTS/IEEE Seattle, OCEANS 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9780578576183
DOIs
StatePublished - Oct 2019
Event2019 OCEANS MTS/IEEE Seattle, OCEANS 2019 - Seattle, United States
Duration: Oct 27 2019Oct 31 2019

Publication series

NameOCEANS 2019 MTS/IEEE Seattle, OCEANS 2019

Conference

Conference2019 OCEANS MTS/IEEE Seattle, OCEANS 2019
CountryUnited States
CitySeattle
Period10/27/1910/31/19

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All Science Journal Classification (ASJC) codes

  • Automotive Engineering
  • Ocean Engineering
  • Acoustics and Ultrasonics
  • Fluid Flow and Transfer Processes
  • Oceanography

Keywords

  • Autonomous underwater glider
  • Data assimilation
  • GOFS
  • Hurricanes

Cite this

Vargas, M. A., Miles, T., Glenn, S., Hogan, P., Douglas Wilson, W., Watlington, R., & Lacour, B. (2019). Impact of glider data assimilation on the global ocean forecasting system during the 2018 hurricane season. In OCEANS 2019 MTS/IEEE Seattle, OCEANS 2019 [8962824] (OCEANS 2019 MTS/IEEE Seattle, OCEANS 2019). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/OCEANS40490.2019.8962824