Topic outline

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    Approximate time to complete: 1 - 1.5 hours. 

    As part of the Caribbean project (2018-2023) funded by the Climate Risk and Early Warning Systems (CREWS) Initiative, this self-paced elearning course makes use of text, interactive graphics, case-studies and activities to introduce the use of the Potential Tropical Cyclone (PTC) advisory and associated forecast guidance from the United States' National Hurricane Center (NHC). (The US NHC is also a Regional Specialised Meteorological Centre (RSMC) for the World Meteorological Organization (WMO), located in Miami, Florida)

    A potential tropical cyclone is a tropical disturbance that is expected to develop into a tropical storm or hurricane and impact land areas within 48 hours. Effective use of the PTC advisory and associated guidance can be instrumental in improving the timeliness of impact-based warnings associated with developing tropical cyclones in the Caribbean. 

    This course is aimed primarily at the emergency management community, but it will also benefit forecasters in the region.  

    Course Outline:

    • Module 1: Introducing the PTC Advisory Product (~20 min.)
    • Module 2: Tools for Assessing Potential Impacts (~25 min.)
    • Module 3: Effectively Communicating Potential Impacts (~45 min.)


    Please note, in order to receive a badge of completion for this course, you must be enrolled and logged in to your account on this site.  Please read the instructions "How to Take This Course" before you get started. You may also consult this course as a guest, but in this case, no badge of completion is provided. 

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  • Final Exam

    A score of 70% is required to pass this exam. You may make as many attempts as you wish. Only your highest score will be counted. Passing this exam is required to obtain credit for course completion. 

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  • Acknowledgements

    This course was funded through the Climate Risk and Early Warning Systems (CREWS) Initiative under the CREWS Caribbean project. 

    The following people contributed to the development of this resource:


    • Anne-Claire Fontan, Scientific Officer, Tropical Cyclone Programme
    • Stephanie Gallasch, Project Officer, CREWS Caribbean Project
    • Luciane Veeck, Education and Training Support Officer
    • Mustafa Adiguzel, Scientific Officer, Education and Training Programme

    US National Hurricane Center

    • Daniel Brown, Senior Hurricane Specialist, Warning Coordination Meteorologist

    Caribbean Expert Advisory Team

    • Sabu Best, Director, Barbados Meteorological Services
    • Kathy-Ann Caesar, Chief Meteorologist, Caribbean Institute for Meteorology and Hydrology (CIMH)
    • Carolyn De Coteau, Meteorologist, Trinidad and Tobago Meteorological Service
    • Jean-Noel Degrace, Chef de Service Prévision, Météo-France Martinique
    • Glendell De Souza, Science and Technology Officer, Caribbean Meteorological Organization (CMO)
    • Dale Destin, Director, Antigua and Barbuda Meteorological Service
    • Joseph Isaac, Director, Meteorological Department of St. Maarten
    • Kenneth Kerr, Science and Technology Officer, Caribbean Meteorological Organization (CMO)
    • Arlene Laing, Coordinating Director of the Caribbean Meteorological Organization (CMO)

    Scientist/Training Expert, Course Author

    • Matthew Kelsch, Weather/Climate/Hydrology Consultant

    Instructional Media Designer/Developer

    • Lon Goldstein