On 23 September 2026 English Heritage opened the stone circle at Stonehenge at sunrise for the autumn equinox. What an equinox is, what the builders did align the monument on, and why the equinox draws visitors all the same.
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A cold north-westerly that can blow for days and sweeps the sky empty. The explanation you hear most often, a funnel in the Rhone valley, is only half right.
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In the Alps the temperature can climb fourteen degrees in a few hours without the sun doing a thing. The explanation lies not in the air that arrives, but in what that air left behind on the way.
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Europe's rainiest city owes that to seven mountains and a sea in front of them. The mechanism is the same one that makes the foehn on the other side of such mountains.
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Warm air with dust in it comes up from the south, sometimes at hurricane force. Anyone who sees orange snow in the Alps is looking at desert.
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A gust of 248 kilometres an hour was measured on the Maslenica Bridge. The bora starts on a clear, calm day and a quarter of an hour later it cannot be ignored.
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Above the polar circle the sun stays up for months in summer and stays away for months in winter. The cause is a tilt of twenty-three degrees.
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