Hi allaboard,
Well, look at what TAF stands for (especially the ...
Forecast part) and you will have your answer.
A report is something observed (measurement) - a forecast is more or less in the divination business.
Otherwise, you might embark on a flight JFK to LHR with AMS as alternate. You are Cat III capable, so required forecast for LHR (assuming nighttime arrival) is 100 m. (x 2,0 = 200 m = OK Cat III), and AMS, your only alternate needs only forecast 300 m. (x 2,0 = 600 m = OK Cat I).
- does not sound like a way to achieve a long and happy career, now does it?
Brgds from
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