Dust Storm — Lower Columbia Basin, Washington

2020-09-07 · Lower Columbia Basin, Washington

Event narrative

Pasco ASOS (KPSC) reported visibility less than 1/4 mile due to blowing dust and smoke. Visibilities were reduced for much of the day into the early evening.

Wider weather episode

A strong cold front moved south across Washington and Oregon on September 7th, 2020 producing strong northerly winds. These winds kicked up dust and reduced visibility to 1/4 mile at times.

Source: NOAA Storm Events Database, event_id 909178. Narrative written by the NWS forecast office that issued the report.