This could bring showers to some areas of Northern California on Saturday. While this storm is not forecast to be as powerful as Thursday’s initial weather maker, the rain may travel farther to the south than the first system.
It is also possible that debris could block roadways in a flash flooding situation, making it important that motorists are aware of the surrounding area.Īnother round of rain is forecast to hit the area Friday night and into Saturday. This amount of snowmelt could lead to rapidly rising water with secondary roads and bridges washing out as a result. These conditions could translate to rainfall amounts that may thaw rapidly and have the effect of doubling or tripling the rainfall amounts. Warmer weather in the higher terrains as of late have brought the snowpack temperatures close to the freezing mark, making it ready to melt if hit by heavy rains. The Pacific Northwest experiences the most varied and fascinating weather in the United States, including world-record winter snows, the strongest non-tropical storms in the nation, and shifts from desert to rain forest in a matter of miles. Although this amount of rain is generally not problematic, it could cause flooding if it hits the snowpack in a significant manner. 4.14 Rating details 222 ratings 26 reviews.
Forecasters are calling for about 1 – 2 inches of rain near the coastal areas with 2 – 4 inches falling over the western-facing slopes of the Cascade Mountains. However, it is the first wave at the end of the work week that is most worrisome to weather experts because it could trigger the rapid snowmelt that often leads to flooding. The rain is forecast to come in waves through the weekend. This area of moisture is currently stretching over thousands of miles from the ocean waters off the coast of Asia to the south of the Aleutian Islands in Alaska. What to Expect With This Incoming Atmospheric RiverĪ parade of powerful storms is setting to deliver a plume of moisture to the southwestern corner of British Columbia and western Washington starting late Thursday. This could trigger a rapid snowmelt runoff and flash flooding. However, the increase in rain during this time of the year could also cause the existing snowpack in the higher terrains to melt more quickly.
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