Barre de Potosi Wind Stats

The figure describes how commonly and how strongly the wind blows from different directions through a typical July. The largest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with the strongest winds shown by deep blue. It is based on 3720 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Barre de Potosi, located 6 km away (4 miles). There are not enough 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 Barre de Potosi blows from the SSW. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Barre de Potosi. Converseley, dominant spokes illustrate favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average July, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 48% of the time (15 days each July) and blows offshore 59% of the time (18 days in an average July). In a typical July winds exceeding >40kph (25mph) are not expected, but 0 have winds on the range 30-40 (19-25) at Barre de Potosi

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