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Heat in Lower Chehalis Valley Area, Washington

Heat May 12, 2023 – May 16, 2023 · Lower Chehalis Valley Area, Washington

What the National Weather Service wrote

Observations around the Lower Chehalis Valley recorded well above normal temperatures for the month of May, with highs ranging from the upper 80s to low to mid 90s.

The wider storm

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 1103545. Narratives are written by the National Weather Service forecast office that issued the report.

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