How long is a TAF valid for?

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Multiple Choice

How long is a TAF valid for?

Explanation:
A Terminal Aerodrome Forecast covers the expected weather for an airport over a forecast window. The standard window is 24 hours, but some TAFs are issued for up to 30 hours to provide a longer planning horizon. This is why the valid period is described as 24-30 hours. TAFs are updated regularly, typically every 6 hours, to reflect changing conditions, but the overall forecast horizon sits within that 24 to 30 hour range. Shorter windows like 12 hours or 6-12 hours aren’t the norm for TAFs, and a 48-hour forecast goes beyond what a TAF normally provides.

A Terminal Aerodrome Forecast covers the expected weather for an airport over a forecast window. The standard window is 24 hours, but some TAFs are issued for up to 30 hours to provide a longer planning horizon. This is why the valid period is described as 24-30 hours. TAFs are updated regularly, typically every 6 hours, to reflect changing conditions, but the overall forecast horizon sits within that 24 to 30 hour range. Shorter windows like 12 hours or 6-12 hours aren’t the norm for TAFs, and a 48-hour forecast goes beyond what a TAF normally provides.

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