Flood Watch [12-2023]
FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON...
WHAT...Flooding caused by excessive rainfall continues to be possible.
WHERE...Portions of northwest Oregon, including the following areas, Cascade Foothills in Lane County, Central Coast Range of Western Oregon, Central Oregon Coast, Central Willamette Valley, Coast Range of Northwest Oregon, Greater Portland Metro Area, Lower Columbia, North Oregon Coast, Northern Oregon Cascade Foothills and South Willamette Valley and southwest Washington, including the following areas, Greater Vancouver Area, I-5 Corridor in Cowlitz County, South Washington Cascade Foothills, South Washington Coast and Willapa Hills.
WHEN...Through Wednesday afternoon.
IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas.
ADDITIONAL DETAILS...
- Periods of rain will continue Sunday night through Wednesday, heaviest Monday night through Tuesday night as another atmospheric river aims at southwest Washington and northwest Oregon. This is also when flooding concerns are highest. Additional rain amounts expected Sunday night through Tuesday night (48 hour rain totals): 3 to 5 inches along the south Washington coast, north Oregon coast, and central Oregon coast, 3 to 7.5 inches over the Coast Range and Willapa Hills (highest amounts in higher terrain), 1.5 to 3 inches across the interior lowlands of southwest Washington and northwest Oregon (highest from Salem northward), 3 to 7 inches across the south Washington and north Oregon Cascades, 1 to 2 inches for the Lane County Cascades, 2 to 4.5 inches for the Columbia River Gorge, and 1 to 2 inches for the Upper Hood River Valley.
Urgency: Take action in the near future
Affected Area: Greater Vancouver Area