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VI Victoria 2018 - Basic Marine Weather w/ Scott Crawshaw
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VI Victoria 2018 - Basic Marine Weather w/ Scott Crawshaw

An understanding of basic weather is an important attribute of seamanship. This 1/2 day course is aimed at the cruiser who will be sailing in internal waters and has access to VHF radio broadcasts and possibly even the internet. Cruisers will be introduced to the fundamentals of weather, which include Air Circulation Patterns; Pressure, Temperature and Moisture; Air Masses; Fronts and Cyclogenesis; Fog, Clouds and Precipitation; and Interpreting Weather Maps.

 Export to Your Calendar 2018-04-14
When: Saturday, April 14, 2018
0900-1200h
Where: TBD
Victoria, British Columbia 
Canada
Contact: Lionel Dobson


Online registration is available until: 2018-04-13
« Go to Upcoming Event List  

Purpose and Benefits:
An understanding of basic weather is an important attribute of seamanship. Renowned mariner, instructor and former BCA member Scott Crawshaw facilitates this 1/2 day workshop that will introduce cruisers to the fundamentals of weather, enable them to combine weather forecasts (VHF) with personal observation, and relate it to their immediate situation. Participants will learn relevant information that will build their confidence and help ensure their enjoyment and safety at sea in both foul and fair weather.

Topics Covered:

Air Circulation Patterns

    • Global Circulation
    • Seasonal Differences
    • Coriolis
    • Cyclonic/Anti-Cyclonic Flow

 Pressure and Temperature and Moisture

    • Definitions
    • Changes with altitude
    • Mean Sea Level Pressure
    • Isobars
    • Pressure Gradient Force
    • Water Vapour and Properties
    • Latent Heat (Evaporation and Condensation)
    • Saturated Air
    • Dew Point and Humidity

Air Masses

    • Source Regions
    • Types and Characteristics
    • Stability

 Fronts and Cyclogenesis

    • Formation of a Low
    • Types of Fronts
    • Typical Cloud Formation
    • Associated Weather

Fog, Clouds and Precipitation
                      Fog Types (evaporation, radiation, advection, sea smoke
                      Dew and Frost
                      Cloud Formation (Basic Types)
                      Precipitation (Rain Drizzle, Hail, Snow and Sleet)

 Weather Maps

    • Basic Symbology
    • Reading and Interpretation

 Sources of Local Weather

    • VHF
    • E-Mail

Instructor:
Scott Crawshaw has sailed for over 40 years and has over 50,000 miles of ocean water experience.  This includes skippering the Royal Canadian Navy’s Tall Ship, HMCS Oriole and four years of offshore sailing with his family aboard the sailing vessel Peregrinata.  His qualifications include a Transport Canada Master Mariner, unlimited tonnage; a Navy Surface Command Qualification, unlimited tonnage; an ISPA instructor qualification and is a CYA Yachtmaster.

He has sailed extensively in the Pacific, twice to Australia and five times to and from Hawaii.  He has participated in a number of international yacht races including four Victoria to Maui International Yacht Races where he was the winning skipper of the 2000 race and is the corrected time record holder.  In addition, he has competed in numerous Swiftsure races and a Van-Isle 360.  From 2002-2006 he cruised with his wife and two daughters down the coast of the Americas and across the South Pacific, including the Galapagos, to Australia.

Scott has been in the Royal Canadian Navy since 1979 and has extensive instructor experience in all navigation topics from basic to advanced.  He specialised in navigation and shiphandling and was the Navy’s Senior Navigation Instructor in 1989-1991 and again from 2006-2011.  In addition to HMCS Oriole he has commanded two of the RCN’s Maritime Coastal Defence Vessels, HMC Ships Whitehorse and Yellowknife and has extensive experience skippering the Orca class training vessels.

Scott has a degree in Physics and Physical Oceanography from Royal Roads Military College.  He currently lives in the UK, with his wife Sonia, where he is filling an exchange position with the Royal Navy until summer 2018.

 

Cost:
BCA member: $50
Non-members: $65

 

Maximum Class Size:
20 students

Cancellation:
There is a $15 processing fee in the event of participant cancellation.

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