Black Middens Wind Stats

The rose diagram illustrates how frequently and how strongly the wind blows from different directions through a typical November. 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 showing the strongest winds. It is based on 2867 NWW3 forecasts of wind since since 2008, at 3hr intervals, for the closest NWW3 model node to Black Middens, located 27 km away (17 miles). There are not enough recording stations world wide to use actual wind data. Without question some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the most common wind at Black Middens blows from the NNE. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Black Middens. On the other hand, dominant spokes illustrate 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 November, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 3% of the time (1 days each November) and blows offshore just 25% of the time (3 days in an average November). In a typical November winds stronger than >40kph (25mph) are expected on 3 days at Black Middens

read more