Pacific Sail & Power Boat Show

Pacific Sail & Power Boat Show is one of the West Coast's premier shows, featuring new sail and cruising power boats, gear, hardware, seminars, and interactive workshops.

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The Surface Pressure Chart Workshop

Date: Thursday, April 19, 2018

Time: 1:00pm - 4:00pm

Location: Craneway Seminar Pavilion

Speaker: Lee Chesneau

This 3-hour workshop takes a closer look at & examines more in-depth the surface pressure charts generated by NOAA’s NWS, NHC, & the NWSFO HNL, first introduced in the Thursday April 19th, 2018 from 11:45 AM to 12:45 PM free seminar “An Introduction to Surface Pressure Concepts & Charts” as a prerequisite to this workshop.


  • Conduct an exercise understanding true wind direction/speed wind barbs associated with low & high-pressure systems symbols.
  • Discuss more in depth the surface pressure weather system’s symbols & their associated features (e.g., fronts, troughs, & ridges to name a few).
  • Discussion & follow up exercise on being able to anticipate specific weather conditions (such as cloud types, precipitation, visibility restrictions, & winds), all associated with the common surface pressure chart symbols.
  • Discussion & follow up exercise on the difference between “Issued” & “Valid” from the OPC’s analyses & forecast charts.
  • There will be a discussion & follow up exercise on the 24 -hour interval specific depicted tracking & intensity trends (marine advisories & warnings) of the surface map’s L’s & H’s pressure centers.
  • Finally, Lee Chesneau will presents his hierarchy for marine weather prediction, vessel routing & decision making.

Tickets are $49 each.


Seminar Speaker

Lee Chesneau

Lee Chesneau is highly experienced senior marine meteorologist & graduate from one of the elite universities that offer degrees in meteorology, the University of Wisconsin (Madison). His Bachelor of Science (B.S) Degree in Meteorology was Lee’s ticket to a distinguished & extensive career with NOAA’s National Weather Service (NWS) & Satellite Service (NESDIS).  Lee also….

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