SIGMET (SIGMET)
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定義
Significant Meteorological Information — a warning of severe weather hazardous to all aircraft
関連用語
航空情報公示通報 (NOTAM: Notice to Air Missions)
A notice filed with aviation authorities to alert pilots of hazards or changes along a flight route
飛行場予報 (TAF: Terminal Aerodrome Forecast)
A weather forecast for the area around an airport, typically covering a 24-30 hour period
雷雨（積乱雲） (CB: Thunderstorm (Cumulonimbus))
A convective weather system producing lightning, turbulence, hail, and heavy precipitation
火山灰雲 (Volcanic Ash Cloud)
Fine rock particles from volcanic eruptions that can damage jet engines and aircraft systems