ECMWF Governing Equations 2 Slide 10 Scale analysis Example : Typical observed values for mid-latitude synoptic systems: U~ 10 ms -1 W~ 10 -2 ms -1 L~ 10 6 m ~ 10 3 m 2 s -2 f 0 ~ 10 -4 s -1 a~ 10 7 m H~ 10 4 m
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