Excessive Heat in Yakima Valley, Washington

Excessive Heat August 18, 2022 · Yakima Valley, Washington

What the National Weather Service wrote

Calculated heat risk values at the Yakima GHCN site recorded temperatures that met or exceeded excessive heat warning criteria on Aug. 18th.

The wider storm

Upper level ridging and persistent surface high pressure in the Columbia Basin resulted in several areas reaching or exceeding critical heat risk thresholds during this period, with some mountain sites also seeing consecutive days of 95 degrees or greater temperatures.

Source: NOAA Storm Events Database, event 1053513. Narratives are written by the National Weather Service forecast office that issued the report.

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