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Excessive Heat in Foothills of the Southern Blue Mountains of Oregon, Oregon

Excessive Heat June 26, 2021 – June 30, 2021 · Foothills of the Southern Blue Mountains of Oregon, Oregon

What the National Weather Service wrote

Calculated heat risk values at a GHCN site in Heppner, OR recorded consecutive days between June 27th through June 30th 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 969147. Narratives are written by the National Weather Service forecast office that issued the report.

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