Copper Mine Bay Wind Stats

The graph describes how often and how strongly the wind blows from different directions over a normal July. The largest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with the darkest shade of blue strongest. It is based on 3472 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Copper Mine Bay, located 10 km away (6 miles). There are too few recording stations world wide to use actual wind data. No doubt some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the dominant wind at Copper Mine Bay blows from the E. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Copper Mine Bay. By contrast, dominant spokes represent favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical July, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 0.1% of the time (0 days each July) and blows offshore just 0.1% of the time (0 days in an average July). Over an average July winds exceeding >40kph (25mph) are not expected, but 10 have winds on the range 30-40 (19-25) at Copper Mine Bay

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