Understanding atmospheric pressure is one of the fundamental skills required for interpreting weather charts and anticipating changes in weather at sea. Pressure patterns provide valuable clues about wind strength, weather systems and developing conditions. 1. ATMOSPHERIC PRESSURE Atmospheric pressure is the force exerted by the weight of the air above […]
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Understanding Visibility, Fog Formation & Its Importance to the Mariner Visibility is one of the most important weather factors affecting safe navigation. A reduction in visibility can significantly increase the risk of collision, particularly when navigating in areas of heavy traffic, coastal waters, narrow channels or during pilotage. For the […]
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Thunderstorms are among the most powerful and rapidly changing weather phenomena encountered at sea. For mariners, the main concern is not only the lightning and thunder, but the sudden changes in wind, visibility, precipitation and atmospheric conditions that can accompany a storm. A thunderstorm may develop rapidly and can create […]
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