Excessive Heat in Lower Columbia Basin, Oregon

Excessive Heat July 25, 2022 – July 31, 2022 · Lower Columbia Basin, Oregon

What the National Weather Service wrote

Calculated heat risk values at the Hermiston Airport and Boardman GHCN sites recorded several days between July 29th through July 31st of temperatures that met or exceeded excessive heat warning criteria.

The wider storm

A potent upper level ridge of high pressure moved over the region and persisted through the end of July and the first of August. Across the region, multiple areas in the lower elevations reached critical thresholds for heat risk, while many mountain zones saw consecutive days with high temperatures exceeding 95 degrees Fahrenheit.

Source: NOAA Storm Events Database, event 1049409. Narratives are written by the National Weather Service forecast office that issued the report.

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