Lewellen River Flood Category Changes - Effective August 28, 2019

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

New Flood Categories	Previous Flood Categories
Action Stage: 7.0 ft	Action Stage: 6.5 ft
Flood Stage: 8.0 ft	Flood Stage: 7.5 ft
Moderate Flood Stage: 9.0 ft	Moderate Flood Stage: 8.5 ft
Major Flood Stage: 10.0 ft	Major Flood Stage: 9.5 ft
Gage zero datum: 3286.992 ft above MSL NAVD88

New Flood Categories

Previous Flood Categories

Action Stage: 7.0 ft

Action Stage: 6.5 ft

Flood Stage: 8.0 ft

Flood Stage: 7.5 ft

Moderate Flood Stage: 9.0 ft

Moderate Flood Stage: 8.5 ft

Major Flood Stage: 10.0 ft

Major Flood Stage: 9.5 ft

Gage zero datum: 3286.992 ft above MSL NAVD88