Excessive Heat — Yakima Valley, Washington

2021-07-01 · Yakima Valley, Washington

Event narrative

Calculated heat risk values at the KYKM ASOS recorded consecutive days between June 26th through July 1st of temperatures that met or exceeded excessive heat warning criteria. The Yakima county Coroner' Office reported 4 fatalities that heat was a contributing factor to during the heat wave, however, no additional details were provided regarding age, sex, actual date, or location.

Wider weather episode

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_id 977179. Narrative written by the NWS forecast office that issued the report.