La Lette Blanche (Vieille Saint Girons) Wind Stats

The graph shows how frequently and how strongly the wind blows from different directions through a typical September. The largest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with the darkest shade of blue strongest. It is based on 3359 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to La Lette Blanche (Vieille Saint Girons), located 15 km away (9 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 prevailing wind at La Lette Blanche (Vieille Saint Girons) blows from the WNW. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at La Lette Blanche (Vieille Saint Girons). Converseley, dominant spokes represent favoured directions, and the more the darkest shade of 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 (light blue) about 19% of the time (6 days each September) and blows offshore 39% of the time (11 days in an average September). During a typical September wind stronger than >40kph (25mph) was forecast for only a single days at La Lette Blanche (Vieille Saint Girons)

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