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Regional and Mesoscale Meteorology Branch

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An Overview of Tropical Cyclone Track Guidance Models used by NHC


The learning objectives for this training are:

  1. Describe the spectrum of NHC tropical cyclone track models.
  2. Describe the general strengths and weaknesses of each track model.
  3. Understand how track models are used in consensus forecasts.
  4. Have an overview of future track forecast model improvements.

Training Session Options

Web-based Video training session
Note: Be sure to have your speakers on and the volume loud enough to hear the presentation.

Satellite Applications for Tropical Cyclones: Dvorak Technique


This training session focuses on the Dvorak Technique, which is used to assign tropical cyclone intensity, in other words how strong the winds are in a hurricane. The Dvorak technique uses satellite images alone to determine the maximum wind speed of a tropical cyclone.

Training Session Options

  1. YouTube video:

  2. Web-based Video Training Session
  3. Audio playback – This VISITview file contains recorded audio and annotations and can be taken at anytime.

    Create a directory to download the audio playback file (it is about 61 MB in size) from the following site:

    After extracting the files into that directory, go to the Dvorak directory. Click on the visitplay.bat file to start the lesson. Click on “1. Title” to begin the presentation.