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Other Weather Sources
Convective SigMets, Icing Levels, Airport Conditions, Sky Cover, Visibility,
IFR / Mountain Obscuration, Relative Humidity, Temperature, Dew Point, Turbulence
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U.S. Government Aviation Weather Icing Levels
Visibility and Airport Conditions -
NOAA weather advisory chart (click on chart to see color codes)
In aviation, the Richardson number is used as a rough measure of expected air turbulence. A lower value indicates a higher degree of turbulence. Values in the range 10 to 0.1 are typical, with values below unity indicating significant turbulence.
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