Excessive Heat — Lower Columbia Basin, Washington

2022-08-09 · Lower Columbia Basin, Washington

Event narrative

Calculated heat risk values at the Kennewick GHCN met or exceeded excessive heat warning criteria on Aug. 9th.

Wider weather episode

High pressure from the four corners region extended northward into the Pacific Northwest, which resulted in well above normal temperatures across the region for several days. Many stations saw temperatures exceed critical heat risk thresholds, while stations in some mountain zones saw high temperatures consecutively meet or exceed 95 degrees under the strengthening high pressure aloft.

Source: NOAA Storm Events Database, event_id 1053495. Narrative written by the NWS forecast office that issued the report.