Pedra do Sal Wind Stats

The figure describes how commonly and how strongly the wind blows from different directions through a typical September. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with deep blue showing the strongest winds. It is based on 3120 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Pedra do Sal, located 15 km away (9 miles). There are insufficient 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 most common wind at Pedra do Sal blows from the SSE. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Pedra do Sal. By contrast, dominant spokes show favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average September, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 1.1% of the time (0 days each September) and blows offshore just 3% of the time (1 days in an average September). During a typical September winds exceeding >40kph (25mph) are not expected, but 1 have winds on the range 30-40 (19-25) at Pedra do Sal

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