Heat — Cascades of Pierce and Lewis Counties, Washington

2023-05-12 to 2023-05-16 · Cascades of Pierce and Lewis Counties, Washington

Event narrative

Observations across the lower elevations of the southern Cascades recorded a period of warm conditions with highs in the 70s and 80s.

Wider weather episode

A strong ridge of high pressure brought well above normal temperatures to Western Washington, with a period of high temperatures in the upper 80s to low 90s. Many locations broke temperature records during this period. Eventually, onshore flow aided in the recovery back towards near normal temperatures to round out the latter half of the month.

Source: NOAA Storm Events Database, event_id 1103551. Narrative written by the NWS forecast office that issued the report.