Dust Storm — Grand Ronde Valley, Oregon

2018-04-27 · Grand Ronde Valley, Oregon

Event narrative

Report of a dust storm in the Grande Ronde valley posted on the NWS Pendleton Facebook page. Dust storm reduced visibility in the Cove area to 500 yards or less. Report received at 715 PM PDT (1815 LST). Blowing dust also occurred at and around the La Grande airport where sustained winds of 29-39 mph and gusts of 35-47 mph occurred between 545 and 700 PM (1645 and 1800 LST).

Wider weather episode

A low pressure system caused very windy conditions, with some locally strong winds, through the Columbia River Gorge, across the Columbia Basin and the Kittitas valley. Localized blowing dust also occurred in the Basin and in the Grande Ronde valley.

Source: NOAA Storm Events Database, event_id 745730. Narrative written by the NWS forecast office that issued the report.