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Regional and Mesoscale Meteorology Branch

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Satellite Applications for Tropical Cyclones: Dvorak Technique





Forecaster Course

Tropical Course





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.
This course is Basic

There are no prerequisites