The National Weather Service in Portland has canceled many of the flood warnings issued Thursday, but a few remain within the local agency’s coverage area.
Friday and Saturday should be the final days of rain before a stretch of sunny weather next week, which will give time for waters to subside. The weather service also maintains an interactive map that monitors current river observations and flooding forecasts for the state and nationwide areas.
In Clackamas and Marion counties, the Pudding River near Aurora showed a level of 23.6 feet with a flow of 9,200 cubic feet per second as of 2 a.m. Friday. The river has been in a flood stage since it surpassed 22 feet and a flow of 7,000 cfs. Forecasters says the river will crest around 4 p.m. Friday before slowly falling. Considerable flooding of low-lying agricultural land and secondary roads could occur from the Whiskey Hill area to the confluence with the Molalla River.
The South Yamhill River at McMinnville showed a level of 44.8 feet with a flow of 14,500 cubic feet per second as of 2 a.m. Friday. The river can enter a flood stage when it passes 50 feet with a flow of 19,000 cfs. Forecasters say the river could crest to 50.6 feet around 4 p.m. Friday with potential lowland floods along the river from McMinnville to the confluence with the Willamette River.
The Tualatin River near Dilley in Washington County showed a level of 17.7 feet with a flow of 3,000 cubic feet per second. The river crested at 17.8 feet at 11 p.m. Thursday, and forecaster say it should fall below flood levels by 11 a.m. Friday. Minor flooding could happen on several minor roads and lowland agricultural areas when the river passes 17.5 feet.
In Benton and Polk counties, the Luckiamute River crested at 7.4 feet with a flow of 7,200 cubic feet per second as of 1 a.m. Friday. Three hours later, the river crested at 27.5 feet and is expected to fall below flood levels by 10 a.m. Friday. The flooding of low lying lands near Sara Helmick State Park, Oregon 99W, Parker Road and other secondary roads can occur when river levels are above 27 feet. Flooding is also likely along Buena Vista Road near the river’s confluence with the Willamette River.
The Nehalem River near Foss showed a level of 16.7 feet with a flow of 27,000 cubic feet per second. The river crested at 18.4 feet at noon Thursday, and forecasters say it should fall below flood levels by 9 p.m. Friday. Flooding on nearby farmlands can happen after levels pass 15 feet.
This post will be updated as news develops.
CityFeb. 8 & 9 rainfall Forest Grove 2.96 Gresham 2.6 Downtown Portland 2.25 Hillsboro 2.21 PDX 1.89 Vancouver 2 Battle Ground 1.38 Dallas 1.62 Lincoln City 3.32 Lincoln Beach 3.17 Newport 2.92 Hood River 1.79 Tillamook 4.35 Pacific City 3.11 Oceanside 2.85 Corvallis 1.56
Source: National Weather Service in Portland for more totals, visit the agency’s latest totals.
— Tony Hernandez
thernandez@oregonian.com
503-294-5928
@tonyhreports
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