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Weather

Great Lakes Weather 3: Weather Makers … Forecasting High & Low Pressure Systems

Decode the Systems That Drive Great Lakes Weather
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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.

This class focuses on the life cycle and behavior of high and low pressure systems—the primary drivers of wind and weather on the water. Learn to recognize cold, warm, stationary, and occluded fronts, and how to use surface weather charts to track system movement and forecast conditions. A must for boaters who want to plan ahead and stay safe.

Recording of WX00203-k: Great Lakes Weather 3: Weather Makers … Forecasting High & Low Pressure Systems
Recorded: Tuesday, March 24, 2026
Instructor: Mark Thornton
$20.00

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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.