12/13/2023 0 Comments Seattle weather in january 2022![]() Flood risk may also be compounded by snow melt from coastal mountains as warmer temperatures are predicted to increase the risk of melt below 2,500m (DH News, 2022). ![]() Residential areas in Seattle suburbs such as Skokomish Valley in Mason Country were evacuated over the weekend (CNN, 2022).įurther flooding and mudslides are expected across the Pacific Northwest between 12-13 January as another atmospheric river is forecast to bring heavy rain and snow across the area (Seattle Times, 2022 USA Today, 2022b). Large sections of interstates such as the I-90 and I-5 were closed off (Guardian, 2022) and deep snow compounded the effects of the flooding, with multiple avalanches burying parts of critical highways (USA Today, 2022a). The Chehalis River gauge near Grand Mound recorded a depth of over 145 feet, meaning it crossed into a major flood alert (National Weather Service, 2022) and was the second highest peak ever recorded (CNN, 2022). Parts of Washington were subject to almost half their monthly-average rainfall in a single day, resulting in the overflow of several local rivers. ![]() ![]() Flood and winter storm warnings in pacific northwest, january 2022 updateįollowing the extreme rainfall of November 2021 as a result of a similar atmospheric river (covered further below in our original event report and described as the worse rainfall seen in the region in a century), the Pacific Northwest is once again facing extreme flooding.įlood and winter storm warnings were issued for parts of Washington and Oregon states after heavy rain and snow fell on 6-7 January 2022. ![]()
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