Author: Zoe Najim

A Different Kind of Low

When looking at gradients in the Gorge, we often look for a thermal low, connected to the Great Basin, which often sits in the Columbia Plateau most of the summer. ┬áBut in Spring, when upper level lows are present, a surface low pressure gets created out ahead, under the highest Differential Potential Vorticity Advection (DPVA)….

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