Presented by  

1:30 PM

Lee Chesneau

Introduction to the 500 Mb Chart

Vancouver Boat Show
1:30 PM - THURSDAY, JANUARY 19, 2017
Room 3

Seminar Details

This seminar will discuss what professional marine meteorologists who forecast & route vessels refer to as the “holy grail of weather forecasting & routing” , such as 500 mb is. Specifically: The breakdown components of the upper air 500 mb chart (L’s, & H’s, which also includes altitude contour lines, winds, & trough axes). Examples of upper-air 500 mb charts & their companion surface pressure charts revealing direct inter-relationship. An important overview of why these upper air charts are such an important resource for boaters in terms of practical weather analysis & forecast applications at sea level via “Rules of Thumb”. This seminar is a critical prerequisite for the 3-hour prepaid “ The 500 mb Chart Workshop” on Sunday, January 22 at 10:15 am – 1:15 pm...

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   He can be reached by e-mail: .






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