Across the Northwest:
Multiple powerful Pacific storm systems are expected to impact the northwest throughout next week, bringing potential flooding, landslides, power outages, and significant snowfall to some areas. Very heavy rain, along with heavy snow in the mountains, is expected from tonight through at least Thursday of next week. Rainfall totals are anticipated to exceed a foot in some areas, with local amounts of 8-12 inches. Simultaneously in the mountains, heavy snowfall is also expected, with totals potentially reaching a few feet locally. These storms will train over the area, increasing the risk of flooding. Be cautious when commuting to work or engaging in outdoor activities.
Approximate Rainfall Totals:
Regions At Risk: WA including the city of Seattle, OR including the city of Portland, and Idaho.
Forecast Details:
Multiple atmospheric rivers, carrying very high Pacific moisture, are targeting the northwest, leading to very heavy rain and heavy snow in the mountains. The first atmospheric river is expected to arrive Saturday evening, followed by another, more powerful one from Monday through Tuesday. Heavy rainfall is expected to bring the Skokomish River to flood stage, and the second, more powerful system will likely cause further issues that need to be monitored closely. Simultaneously, strong winds may cause power outages in the impacted regions, especially along the coast and in areas northward of Whidbey Island.
Main risk: flooding, heavy snow, mixed precipitation, and gusty damaging winds
Stay tuned for more updates.
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Sina⚡⚡
With over a decade of experience in forecasting severe thunderstorms, this individual is a seasoned forecaster and developer. Their expertise in severe weather forecasting and computer science is entirely self-taught, complemented by a foundation in Atmospheric Science from UNCO and an IT background from WGU. They have dedicated their efforts to developing innovative tools that enhance the accuracy of analyzing large hail and tornadoes. As a significant contributor to the National Weather Force, they have played a crucial role in providing accurate and timely information, as well as developing tools to keep those affected well-informed.