How is wind speed represented in meteorological observations?
Wind speed in meteorological observations is rounded off to the nearest 5 knots and is symbolized by various markers. The symbols used to represent different wind speeds are:
- Full feather: Represents 10 knots (11.5 mph)
- Half feathers: Indicates 5 knots
- Pennant: Signifies 50 knots
- Circle drawn around the station circle: Indicates calm conditions