Arsenal scout Gilles Grimandi was forced to miss a scouting conference being held in Portugal on Monday.
The Frenchman had been due to attend the event at the Universidade Lusofona, an event packed with scouts, including representatives from Benfica and Bayer Leverkusen.
Grimandi was forced to miss out, according to Portuguese daily Expresso, with the fog which gripped the UK scuppering his plans to fly out to Portugal.
He missed an entertaining conference, with Bayer Leverkusen scout Laurent Busser covering his club's philosophy.
Busser said: "Our philosophy at Leverkusen is looking for young people who have value in the future.
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"We are not Bayern Munich or PSG, who can pay €25m for a player."
Grimandi played as a defender and turned out for Arsenal from 1997 until 2002, being taken to the club from Ligue 1 outfit Monaco by Arsene Wenger.
The 44-year-old operates as Arsenal's chief scout in France, the country providing a key market for Wenger.
Arsenal were the only club from Europe's top five leagues to not sign an outfield player over the summer transfer window.
