Excessive Heat in Grand Ronde Valley, Oregon

Excessive Heat August 18, 2022 – August 19, 2022 · Grand Ronde Valley, Oregon

What the National Weather Service wrote

Calculated heat risk values at the La Grande GHCN site recorded consecutive days between Aug. 18th and 19th of temperatures that met or exceeded excessive heat warning criteria.

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 1053500. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.