Quote:
Originally Posted by geoffsims
Phil - correct, however the individual websites do all interpret the GFS model slightly differently. I'm not sure of the details (do some use a finer/courser lat/long grid? Do some provide clever additional meteorological interpretation?). I suspect at least some of the variation may be for visualisation purposes (e.g. 7timer tries to make things look realistically like clouds).
Having never played with the 7timer one, I quite like the fact you can see (at a glance), how the last 4 model runs predict any specific time. i.e., it's interesting to see if the latest model run is much different from the one 18 hours ago.
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I'm involved in the development of 7timer. The charts are based on raw GFS data without further interpretation.