Research Topics in Typhoon Research Department

Japanese

Study on prediction and understanding of meso-scale weather phenomena with a non-hydrostic model

• Improvement of the model for the prediction of meso-scale weather phenomena and understanding of its associated mechanisms

  Improvement of important model components for typhoon prediction

  a. Investigation of physical schemes best for the non-hydrostatic model, using a cloud resolving atmospheric model and mixed-phase-flow direct numerical model

  b. Numerical simulation of typhoons using a non-hydrostatic model, non-hydrostatic　atmosphere-ocean coupled model, and non-hydrostatic　atmosphere-wave coupled model

  c. Investigation of sensitivity of simulated destructive wind and heavy precipitation to physical schemes in the atmosphere and ocean models

  Understanding of mechanisms associated with meso-scale weather phenomena

  a. Simulation studies with the non-hydrostatic model for disastrous weather phenomena such as heavy rainfall,　heavy snow, and high wind

  b. Investigation of formation mechanisms of the disastrous weather phenomena

  
  
  

• Improvement of data assimilation techniques for the prediction of meso-scale weather phenomena

  Improvement of techniques for handling meso-scale observations
  
  

• Study on predictability of meso-scale phenomena

  Validation of observational strategy and prediction reliability for predictions of meso-scale phenomena

  a. Investigation of prediction-error-properties associated with typhoon track and intensity

  b. Implementation of typhoon-ensemble downscale experiments

Typhoon Department