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Article Information
Category: Weather Weather
Content source: SKYbrary About SKYbrary
Content control: SKYbrary About SKYbrary
Tag(s) Weather Risk Management


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