Excessive Heat in Lower Columbia Basin, Oregon

Excessive Heat July 1, 2021 · Lower Columbia Basin, Oregon

What the National Weather Service wrote

Calculated heat risk values at the Boardman, OR GHCN station recorded consecutive days between June 26th through July 1st of temperatures that met or exceeded excessive heat warning criteria.

The wider storm

A strong upper level ridge of high pressure and a surface thermal trough brought several days of record high temperatures across the PacNW, with many locations in the lower and higher elevations experiencing extreme heat risk during this event. The multiple days of extreme heat risk has been attributed to several fatalities across the region.

Source: NOAA Storm Events Database, event 977223. Narratives are written by the National Weather Service forecast office that issued the report.

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