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Flash Flood — Wasco, OR

May 30, 2020

A major severe weather event by Pacific Northwest standards occurred over central and northeast Oregon and southeast Washington on May 30th. A powerful upper level storm system moved across the area during the afternoon and evening helping to trigger severe thunderstorms. The airmass was unusually unstable for this area of the country with surface dewpoints well into the 60s. With strong upper level winds in place the stage was set for numerous fast moving intense storms through the afternoon an

Source: NOAA National Weather Service Storm Events Database (event 884281). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Wasco, OR

This event is one of many recorded floods in Wasco County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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