Balephetrish (Tiree) Wind Stats

The graph describes how commonly and how strongly the wind blows from different directions over a normal May. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with the strongest winds shown by the darkest shade of blue. It is based on 3440 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Balephetrish (Tiree), located 8 km away (5 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 Balephetrish (Tiree) blows from the WNW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Balephetrish (Tiree). Converseley, dominant spokes show 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 (light blue) about 4% of the time (1 days each May) and blows offshore just 28% of the time (8 days in an average May). Over an average May winds stronger than >40kph (25mph) are expected on 3 days at Balephetrish (Tiree)

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