Friday's actual Formula One track action escaped the fury of the Montreal weather.
The paddock, however, was swept with rivers of falling water as the skies above the Circuit Gilles Villeneuve opened with an anger just after the second practice session.
Veteran Blick correspondent Roger Benoit said it was perhaps the heaviest rain he has seen in Montreal.
"The track, the paddock, garages, everything was ankle deep in water," he said.
O Estado de S.Paulo correspondent Livio Oricchio added: "The sound of the really intense rain on the roof meant no one could even talk."
He said there was also "strong winds and lightning", raising the concerns of the journalists in the circuit's media marquee as television and timing monitors swayed "alarmingly" on the metal supports.
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