PORTLAND, Ore. (KATU) — With heavy rain sweeping the region Tuesday, the National Weather Service has issued a flood advisory for north Willamette Valley and parts of southwest Washington.
The downpour is causing some minor flooding in low-lying areas. Leaf-clogged drains can also create ponding on streets and sidewalks.
According to the NWS, there was a half-inch of rain in the last 12 hours, and another quarter to .35 of an inch in the last hour…