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Forecast update for Six Hours of Shanghai

11/2/2017

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By Doug Schneider
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The weather pattern hasn't changed much at all since my last forecast on Monday, so I've only needed to make a few small tweaks to my forecast.

​High pressure at the surface will be gliding east across eastern China toward Japan through the weekend. As it builds in on Friday, there will be a pretty good north wind at 10 to 20 mph (16 to 32 km//h). In the upper levels of the atmosphere, there will be a trough moving across eastern China, and the effect of this trough will be a drop in temperatures on Saturday. Highs will only reach to near 60 degrees F (16 C). The trough passage will also bring some more clouds, but no rain is expected with it. The movement of the surface high to Japan will result in an easterly flow off the ocean on Sunday, so I think with the increasing moisture in the low levels, clouds will be nearly overcast all day. But I'm fairly confident that the race will stay dry. 
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