Hatteras Light House Wind Stats

The graph describes how commonly and how strongly the wind blows from different directions through a typical April. The longest 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 3360 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Hatteras Light House, located 25 km away (16 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 Hatteras Light House blows from the E. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Hatteras Light House. On the other hand, dominant spokes show 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 April, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 4% of the time (1 days each April) and blows offshore just 17% of the time (5 days in an average April). During a typical April winds stronger than >40kph (25mph) are expected on 2 days at Hatteras Light House

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