Practice question
Under aeronautical meteorological procedures, what is the general trigger for issuing a SPECI between routine METAR observations?
- A significant deterioration or improvement that crosses a prescribed local or international reporting criterion, including specified changes in wind, visibility, runway visual range, cloud, or significant weather.
- A routine hourly clock change.
- A change in airport catering suppliers.
- A passenger boarding delay.
Answer: A — A significant deterioration or improvement that crosses a prescribed local or international reporting criterion, including specified changes in wind, visibility, runway visual range, cloud, or significant weather.
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