Aviation English
Meteorology

What is Short-Term Trend Forecast?

Short-Term Trend Forecast A TREND appended to a METAR or SPECI giving expected significant changes in surface wind, visibility, weather or cloud over the next two hours.

Source: ICAO Doc 9432, FAA PCG

How is “Short-Term Trend Forecast” Used in Practice?

ATC: Latest METAR plus TREND indicates visibility improving to 6000 metres and ceiling lifting above 1500 feet within the next two hours.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is Short-Term Trend Forecast?

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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