Daisuke Hotta

Job titleSenior Researcher
SectionThe 2nd lab./Forecast Research Department
ExpertiseMeteorology, Data Assimilation
Dynamics of the stormtracks, Dynamical core of a global spectral model, sensitivity analysis based on an ensemble data assimilation
DegreePh.D. in Applied Mathematics (from the University of Maryland)

Peer-reviewed articles

  • Hotta, D., E. Kalnay, Y. Ota and T. Miyoshi, 2017: EFSR: Ensemble Forecast Sensitivity to Observation Error Covariance, Mon. Wea. Rev., 145(12), 5015-5031. DOI: 0.1175/MWR-D-17-0122.1
  • Hotta, D., T.-C. Chen, E. Kalnay, Y. Ota and T. Miyoshi, 2017:Proactive QC: a fully flow-dependent quality control scheme based on EFSO, Mon. Wea. Rev., 145(8), 3331-3354. DOI: 10.1175/MWR-D-16-0290.1
  • Boukabara, S. A., T. Zhu, Tolman, H. L. and coauthors, 2016: S4: An O2R/R2O infrastructure for optimizing satellite data utilization in NOAA numerical modeling systems: A step toward bridging the gap between research and operations. Bull. Amer. Meteoro.Soc. 97(12), 2359-2378. DOI: 10.1175/BAMS-D-14-00188.1
  • Hotta, D., E. Kalnay and P. Ullrich, 2016: A semi-implicit modification to the Lorenz N-Cycle scheme and its application for integration of meteorological equations, Mon. Wea. Rev., 144 (6), 3377-3401. DOI: 10.1175/MWR-D-15-0330.1
  • Hotta, D. and H. Nakamura, 2011: On the significance of sensible heat supply from the ocean in the maintenance of mean baroclinicity along storm tracks, J. Climate, 24 (13), 3377-3401. DOI: 10.1175/2010JCLI3910.1


  • Hotta, D. 2014: Proactive Quality Control based on Ensemble Forecast Sensitivity to Observations, Ph.D. dissertation, University of Maryland, 248 pp. DOI: http://dx.doi.org/10.13016/M23W3P

Other publications

  • T.-C. Chen, E. Kalnay, and D. Hotta, 2017: Use of EFSO for online data assimilation quality monitoring and proactive quality control, CAS/JSC Research Activities in Atmospheric and Ocean Modelling , 47, 1-09. link to the article
  • Hotta, D., E. Kalnay, Y. Ota and G.-Y. Lien, 2014: Proactive Quality Control in Data Assimilation, JCSDA Quart. News Lett., 47, 4-7. link to the article
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