Presented by  

4:00pm

Lee Chesneau

Tropical Cyclone (Hurricane) Basics & the 1-2-3 Rule for Avoidance Workshop (3 hours) $68 seminar fee plus boat show admission. Limited seating. Pre-registration required. There are no prerequisites for this workshop but it would be helpful to attend Lee's free seminar "Introduction to the Surface Pressure Chart".


Toronto International Boat Show
4:00pm - FRIDAY, JANUARY 27, 2017
Enercare Centre, Salon 110W

Seminar Details

This workshop will discuss the basics for tropical cyclones (hurricanes) & their impacts in the Gulf of Mexico, the North Atlantic &the Eastern North Pacific Oceans (from Mexico’s West Coast to Hawaii), & especially sometimes even the Great Lakes. Tropical cyclones are different in size & dynamics than middle latitude cyclones (both are low pressure systems). Acknowledging that the latter impacts south central Canada’s Great Lakes regions & the offshore Canadian Maritimes much more frequently, but both systems provide their challenges to all boaters, and thus we offer this unique phenomenon in this training session. This workshop will specifically address the following topic points:

- An overview of tropical cyclone basics & their uniqueness as there are significantly different than middle latitude low pressure systems that clearly dominate the planet.

- These include size, shape & the sensitive environment necessary for them to form, intensify, & maintain themselves, literally day by day, if not hours at a time.

- The immediate impact areas are the Gulf of Mexico & North Atlantic & Tropical North Eastern Pacific Oceans, but these water domains are also not limitless due to hostile environments that these tropical weather systems encounter frequently; whether transiting over cooler waters or the entertainment of drier air, moving over land, or experiencing strong winds aloft.

- Sometimes there is a transformation from tropical to “post tropical”, that sometimes results in a new more powerful storm system making them even more dangerous (e.g. Superstorm Sandy & its impact on Lake Ontario).

- There will be an overview of tropical cyclone impacts on the coastal & nearby land interface where boats are frequently at if not sailing at sea (e.g. marinas & anchorages).

- More importantly for the offshore boaters, the lead time for avoidance & strategies will be different in in time & space over open high seas waters than over the coastal areas; thus we introduce the 1-2-3 Rule for avoidance, concentrating on the 34 knot wind radii.

- We will also breakdown the Tropical Cyclone Message (TCM) for interpretation, clarity, & application.

-The Hurricane Season in the Eastern North Pacific (begins May15th) is earlier that the North Atlantic (begin June 1st) … both end 30 th of November).

- The hands on portion of this workshop is a practical exercise that will include Interpreting the advisory message issued every 6 hours known as the Tropical Cyclone Message (TCM) & constructing a “Danger Area to Avoid” (applying the 1-2-3 Rule for tropical cyclone avoidance).

- There are no pre-requisites for this workshop but it would be helpful to attend Lee’s free seminar “ Introduction to the Surface Pressure Chart”.

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About Lee Chesneau

Lee Chesneau is a senior marine meteorologist, lecturer, & author. He is a graduate from the University of Wisconsin (Madison) where he earned a B.S. Degree in Meteorology.  Lee had a distinguished & extensive career with NOAA’s National Weather Service (NWS) & Satellite Service. He also served as naval officer in the U.S. Navy, a “Route Analyst” for a commercial weather & ship routing company. Today, Lee is an accomplished U.S. Coast Guard certified instructor for basic and advanced meteorology at number of continuing training institutions for professional mariners. He offers the same curriculum to educate & train recreational boaters on becoming self-reliant in their own marine weather knowledge for application in marine weather forecasting & strategic vessel routing.  See his webpage www.weatherbylee.com.   He can be reached by e-mail: lee@weatherbylee.com .


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