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Winter Storm in Lower Columbia Basin, Washington
Winter Storm February 24, 2019 – February 26, 2019 · Lower Columbia Basin, Washington
What the National Weather Service wrote
Over 150 collisions were reported by law enforcement in the Kennewick area on the 25th.
The wider storm
Persistent troughing off the coast of the Pacific Northwest focused a stream of mid-level moisture over the Inland Northwest resulting in a long duration snow event as the plume drifted north and south several times between the 22nd and 25th of February. Breezy northeastern winds in the lower Columbia Basin and Yakima Valley, especially on ridge tops resulting in drifts nearing 5 feet in height making many roads over the ridge tops impassable for several days. Storm total snow accumulations were measured at 25.2 inches in Snowden, 16.5 inches in White Salmon, 10 inches in Ellensburg, 10 inches in Trout Lake, 8 inches in Richland, 9 inches in Walla Walla, 8 inches in Kennewick and 6 inches in Yakima.
Source: NOAA Storm Events Database, event 799126. Narratives are written by the National Weather Service forecast office that issued the report.
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