Weather
Great Lakes Weather 4: Thunderstorm Primer / Creating Your Own Marine Forecast
Stay Ahead of the Storm—And Forecast Like a Pro
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The final class in the Marine Weather Essentials series prepares you to recognize and respond to thunderstorm threats. You’ll learn how to spot storm types, understand their development, and use online tools to create your own daily marine forecast. Register individually or save with the complete four-part series.
Thunderstorms can turn a pleasant outing into a perilous one. This final session teaches you how to identify thunderstorm types, understand their formation, and use specialized forecasting tools to stay ahead of severe weather. You'll also learn how to build your own daily marine forecast routine using the tools and techniques covered throughout the series.
Meet The Instructor
Mark Thornton
Mark Thornton is widely recognized as one of the leading marine weather authorities on the Great Lakes. With nearly 30 years of sailing experience and a deep passion for weather science, Mark brings a unique blend of practical knowledge and academic expertise to his teaching.
Related Webinars
Boating on the Great Lakes demands a wide range of skills—but none is more critical than understanding marine weather. Whether you're cruising, racing, or enjoying a day on the water, weather awareness is essential for safety and enjoyment.
Marine Weather Basics is the first course in GLCCSchool’s four-part Marine Weather Essentials series, designed specifically for Great Lakes boaters. It’s available as a standalone class or as part of a specially priced bundle.
This second class in GLCCSchool’s Marine Weather Essentials series reveals the forces that shape wind patterns across the Great Lakes. You’ll learn how terrain, temperature, and pressure systems influence wind behavior - and how to use Doppler radar to monitor developing weather in real time. Available individually or as part of a discounted four-class bundle.
In the third installment of the series, you’ll explore the powerful role of high and low pressure systems in shaping Great Lakes weather. Learn to identify and interpret cold fronts, warm fronts, and occluded systems using surface charts and forecast tools. Take this class on its own or enjoy savings with the full four-part package.