Teams are bracing for what looks like a very wet weekend in Shanghai, with rain forecasted for Friday and Sunday's 56-lap race.

Teams and drivers, but not all, sampled Pirelli's new wet weather tyres at a day of dedicated wet running in Barcelona during pre-season testing.

But the limited mileage may not be of much help if cars take to a wet  track tomorrow for free practice.

Rain is forecasted throughout Friday with temperatures between 15° and 18° C, a level which cit affect tyre performance even in dry conditions.

Saturday is earmarked as a dry day by weathermen but rain is scheduled to return on Sunday morning, although the skies could clear up by the time race proceedings get underway.

The elements are sure to throw a spanner into the works of some but could contribute to an entertaining 56 laps and another surprising result.

GALLERY: All the Thursday pics from Shanghai

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Phillip van Osten

Motor racing was a backdrop from the outset in Phillip van Osten's life. Born in Southern California, Phillip grew up with the sights and sounds of fast cars thanks to his father, Dick van Osten, an editor and writer for Auto Speed and Sport and Motor Trend. Phillip's passion for racing grew even more when his family moved to Europe and he became acquainted with the extraordinary world of Grand Prix racing. He was an early contributor to the monthly French F1i Magazine, often providing a historic or business perspective on Formula 1's affairs. In 2012, he co-authored along with fellow journalist Pierre Van Vliet the English-language adaptation of a limited edition book devoted to the great Belgian driver Jacky Ickx. He also authored "The American Legacy in Formula 1", a book which recounts the trials and tribulations of American drivers in Grand Prix racing. Phillip is also a commentator for Belgian broadcaster Be.TV for the US Indycar series.

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