Today a powerful spring wind has been sweeping in through Berlin, reminiscent of the one which Mary Poppins employed to carry away superfluous nannies. I was a little disgusted to find that according to the Institute for Meteorology at the Freie Universität, the peak windspeed (Windspitze) has been 21.7 m/s.
After a minuscule calculation:
(21.7 * 60 * 60) / 1000
we arrive at 78.12 km/h, or 48.54 mi/hour, or 42.18 knots, which still sounds (to me) unimpressive.
But, on the Beaufort Scale [NOAA], it is considered a strong gale, force 9, which
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April in the Très Riches Heures du Duc de Berry