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The following panels compare visibility in an October case over northernmost China. 47r3 looks much more realistic with lower values in the snow than in the rain; the opposite was seen in 47r2.
Diagnosed Ppn type | Total Precipitation Rate | Total Snowfall Rate | Visibility | |
47r2 |
47r3 |
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Wind gusts
The 10m wind gust parametrisation has been changed in two ways in cycle 47r3; the first change reduces the standard 'turbulent gusts' by 7%, the second change reduces the convective gust addition by 50% (whenever it is applied). The net result is slightly lower gusts overall, albeit with the size of the impact depending on the situation.
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