Frost/Freeze — Blue Mountain Foothills, Washington

2023-04-19 · Blue Mountain Foothills, Washington

Event narrative

The mesonet station DW4698 Prescott reported temperatures at to below freezing between 0000 to 0546 PDT on April 19th. The mesonet station EW4185 Lowden reported temperatures at to below freezing between 0100 to 0713 PDT on April 19th.

Wider weather episode

A persistent negatively tilted trough over the PacNW conintued to usher in a cooler airmass in the region. The cooler air infiltrated the rest of the Basin and Blue Mountain foothills, resulting in at to below freezing temperatures in these areas in addition to the Yakima and Kittitas valleys.

Source: NOAA Storm Events Database, event_id 1095174. Narrative written by the NWS forecast office that issued the report.