By: Stephen McCoy Conditions for the Bathurst 12 Hour remain mostly unchanged except for Sunday, which shows an increase in precipitation chances as the result of a cold front moving through the region. Much like in the initial forecast, a surface high pressure system is expected to sit stationary over the Pacific Ocean off the West coast of Australia. As it brings in warmer air from the North/Northwest, an upper level trough over the New South Wales territory will keep the heat trapped closer to the surface, resulting in temperatures well into the 30's C, 90's F on Friday and Saturday. Where this forecast update differs with the initial is that model guidance now suggests an upper level trough will move to the south of the continent, allowing a low pressure system to form at the surface, moving eastward Saturday into Sunday. A cold front will extend to the Northwest from the system, and is anticipated to move through the NSW region in the early to mid-afternoon on Sunday, bringing with it a chance for scattered showers with some thunderstorms possible. Maximum temperatures reflect the frontal passage, being a few degrees cooler than the rest of the weekend.
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Doug Schneider, Scott Martin, and Stephen McCoy are race fans and meteorologists dedicated to providing accurate forecasts and timely weather updates at racing venues around the world. We forecast for IndyCar, Indy Lights, Pro Mazda, USF2000, IMSA, Blancpain World Challenge America, and World Endurance Championship, as well as major SCCA and NASA events. Categories
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December 2020
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