SIGMET
SIGMET
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19.Jun.2022
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SKYbrary Aviation Safety. (June 19, 2022). SIGMET.
Retrieved June 4, 2026
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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
- Doc 8896 - Manual of Aeronautical Meteorological Practice, 9th edition, 2011
- AC 00-45H - Aviation Weather Services, FAA, 14 Nov 2016.
Categories
What Links Here (30)
- Automated Cloud Base and Visibility Measurement
- Flight Information Service
- Hazardous Inflight Weather Advisory Service (HIWAS)
- VOLMET
- SB20, Werneuchen Germany, 2002
- Runway Overrun After Unstabilised Approach (OGHFA SE)
- AIRMET
- ATC Operations in Weather Avoidance Scenarios
- Clear Air Turbulence (CAT)
- Disruption of Aerodrome Meteorological Observations
- Operations in Crude Oil Smoke: Guidance for Flight Crews
- Radiation Cloud: Guidance for Flight Crews
- Turbulence
- Volcanic Ash
- Volcanic Ash Advisory Centre (VAAC)
- Volcanic Ash: Guidance for Controllers
- Volcanic Ash: Guidance for Flight Crews
- Weather Forecast
- Weather Observations at Aerodromes
- Weather Radar: Storm Avoidance
- Regulation 2017/373 Requirements for Providers of ATM/ANS and other ATM Network Functions and their Oversight
- Jet Stream
- Tropical Revolving Storm
- Thunderstorm
- Automated Weather Observing System (AWOS)
- Sand Storm
- Self Briefing
- Regulation 2021/1338 amending Regulation 2017/373 as regards reporting between organizations and requirements for meteorological services
- GAMET
- The FIS Officer
