Flood in Lane County, Oregon
Flood April 8, 2019 – April 9, 2019 · Lane County, Oregon
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
A level 3 evacuation was ordered for the 100-year flood plain along the Row River near Cottage Grove. The release of water from the Dorena Reservoir was higher than recorded in the 1996 flood.
The wider storm
A particularly strong atmospheric river took aim for the south Willamette Valley, sitting over areas south of Salem for two days, producing anywhere from 2.5 to 5 inches of rain over a 48 hour period. Some areas in the Cascades and Cascade Foothills saw 5 to 7 inches of rain over that 48 hour period. Heavy rain combined with snow melt from all the snow from a few weeks prior in this same area caused flooding along most of our rivers in this area as well as along the main-stem Willamette River up to around Oregon City.
Began near Walden (43.7833, -122.9743).
Source: NOAA Storm Events Database, event 818965. Narratives are written by the National Weather Service forecast office that issued the report.
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