SIGMET

SIGMET

Description

SIGMET information is information issued by a meteorological watch office concerning the occurrence or expected occurrence of specified en-route weather phenomena which may affect the safety of aircraft operations. (ICAO Annex 3: Meteorology)

A SIGMET gives a concise description of the phenomena in abbreviated plain language.

The following are examples of weather phenomena that may be described in a SIGMET:

Further Reading

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