Mirante da Sirena Wind Stats

The graph describes how often and how strongly the wind blows from different directions over a normal May. The largest 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 3414 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Mirante da Sirena, located 7 km away (4 miles). There are insufficient recording stations world wide to use actual wind data. Invevitably some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the most common wind at Mirante da Sirena blows from the SSE. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Mirante da Sirena. On the other hand, dominant spokes illustrate favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical May, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 20% of the time (6 days each May) and blows offshore 21% of the time (7 days in an average May). Over an average May winds exceeding >40kph (25mph) are not expected, but 0 have winds on the range 30-40 (19-25) at Mirante da Sirena

read more