ridge of high pressure

hřeben vysokého tlaku

A ridge of high pressure over the center of the country will move westward and weaken as it is squeezed by the two lows to either side of it. WebCorp

Meanwhile a broad ridge of high pressure  had become established over New Zealand, effectively blocking the storm's southerly movement.  WebCorp

And the ridge of high pressure  is not predicted to move away or break down. WebCorp

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