Meteorology
A TREND appended to a METAR or SPECI giving expected significant changes in surface wind, visibility, weather or cloud over the next two hours.
Quick answer: A TREND appended to a METAR or SPECI giving expected significant changes in surface wind, visibility, weather or cloud over the next two hours.
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A TREND appended to a METAR or SPECI giving expected significant changes in surface wind, visibility, weather or cloud over the next two hours.
短時間傾向予報（TREND） matters because it supports clear communication in Meteorology contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
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Questions and answers
In this glossary, 短時間傾向予報（TREND） refers to: A TREND appended to a METAR or SPECI giving expected significant changes in surface wind, visibility, weather or cloud over the next two hours.
In aviation communication, this term appears in contexts such as: "ATC：最新の METAR に TREND を加えると、視程が 6000 m に改善し、雲底が 1500 ft を超えて上昇する見込みです。"
短時間傾向予報（TREND） matters because it supports clear communication in Meteorology contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
短時間傾向予報（TREND） is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, 短時間傾向予報（TREND） is grouped under Meteorology. Related pages in this category explain adjacent procedures, commands and operational concepts.
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.
A TREND appended to a METAR or SPECI giving expected significant changes in surface wind, visibility, weather or cloud over the next two hours.
ATC: Latest METAR plus TREND indicates visibility improving to 6000 metres and ceiling lifting above 1500 feet within the next two hours.
短時間傾向予報（TREND）
ATC：最新の METAR に TREND を加えると、視程が 6000 m に改善し、雲底が 1500 ft を超えて上昇する見込みです。
English reference definition
ICAO Doc 9432, FAA PCG
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