Heavy Rain in Multnomah County, Oregon

Heavy Rain March 15, 2015 · Multnomah County, Oregon

$6K

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

A mudslide crossed Northwest Marlborough Street into a residential garage after 3 to 6 inches of rain fell across Northwest Oregon.

The wider storm

A series of storms along an atmospheric river of moisture produced a period of heavy rain from March 13 to March 15. Rainfall totals of 3 to 6 inches was measured for many areas of Northwest Oregon and a few local spots had over 7 inches of rain. The prolonged period of rain allowed the saturated soils to make large trees vulnerable to top over if any winds developed (which did happen). No flooding was reported from this rain, but a mudslide did impact a residence in the west hills of Portland.

Began near Portland (45.5300, -122.7017).

Source: NOAA Storm Events Database, event 565327. Narratives are written by the National Weather Service forecast office that issued the report.

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