Yet the two most visible fingerprints on the Parkers' painting, Wertheim says, were virtually exact overlays of each other: the same shape, the same pressure, the same ridge patterns.
A high-pressureridge that has set up over the Southern Plains has been really persistent there. It has pushed a lot of active or violent weather to the east.
阿尔恩特说，“在南部平原区形成的高压脊十分顽固，引起了其东部地区活跃甚至是猛烈的天气现象。”
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The warm high ridge at the middle and low troposphere and the lower pressureof the ground all provide the good circulation background of this heavy fog.