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SIGMET
From SKYbrary Wiki
| Article Information | ||
|---|---|---|
| Category: | Weather | 
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| Content source: | SKYbrary | 
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| Content control: | EUROCONTROL | 
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| WX | |
|---|---|
| Tag(s) | Pilot Briefing |
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:
- Thunderstorms
- Cyclones (Tropical Revolving Storms)
- Severe turbulence
- Severe icing
- Severe Mountain Waves
- Dust or Sand Storms
- Volcanic Ash
Further Reading
ICAO Annex 3 Chapter 7