SIGWX, or Significant Weather, is a format used in aviation for meteorological information related to significant weather phenomena that could impact flight operations. It provides pilots and air traffic controllers with essential information regarding turbulence, thunderstorms, icing conditions, volcanic ash, and other significant weather events that can affect safety and flight planning. SIGWX charts are produced for various flight levels and are particularly important for long-distance flights, helping pilots to plan their routes by avoiding adverse weather conditions.
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