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PPL - Operational Meteorology Question

barnard.karl@gmail.com

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barnard.karl@gmail.com created the topic: PPL - Operational Meteorology Question

Hi All,

I'm confused about the answer should be for the following question:

What is the lowest cloud base forecast for an arrival at YDUK at 0700?

My interpretation of the above is as follows:
The TAF is valid for 6 hours from 00 on the 24th until 06 on the 25th. The TTF is valid for 3 hours from 03 on the 25 until 06 on the 25th. Therefore the arrival time falls outside the TAF and the TTF. Should I extrapolate the TAF or am I missing something?

bobtait replied the topic: PPL - Operational Meteorology Question

It looks like you have an old book. I don't see that question in the current version of the RPL/PPL Volume 2 (replacing the PPL STUDY GUIDE. The METAR time of issue should include the date. So it should be 240300 for just 0300 in which case, you should revert to the TAF since your arrival is outside the validity period of the TAF.