Winter Storm Warning: Snowfall Forecast and Impending Conditions for Cascades and Blue Mountains

A winter storm warning is in effect from 1 AM Sunday to 4 AM Monday for the northern Cascades and Northern Blue Mountains, with snow accumulations ranging from 7-15 inches. Current snow levels are around 4,000 feet, with snowfall creating hazardous driving conditions. Additional precipitation is expected later in the week, although widespread fog is not anticipated.

A winter storm warning has been issued for the northern Cascades and the Northern Blue Mountains, effective from 1 AM Sunday until 4 AM Monday for elevations above 3,500 feet. This storm is expected to bring substantial snowfall, with expected accumulations ranging from 7 to 15 inches in the Cascades and 10 to 15 inches in the Blues. As snow levels are currently around 4,000 feet—lower than previously forecasted—populated areas such as La Pine and Lava Butte may also experience new snowfall. Reports indicate that La Pine has already received three inches of snow, and snow levels are anticipated to rise overnight to around 5,500 to 6,000 feet.

The winter storm warnings are attributed to a combination of heavy snowfall and low visibility, resulting in treacherous driving conditions. Warnings are in effect specifically for the east slopes of the Washington/Oregon Cascades and the northern Blue Mountains, commencing at 1 AM on Sunday and continuing through Monday morning. The building surface high pressure following the cold front will lead to breezy to windy conditions. Following this period of snowfall, a decrease in snow showers is expected as various shortwaves traverse the upper-level ridge, with additional precipitation anticipated late Wednesday into Thursday.

Despite the current active weather patterns, the emergence of widespread fog or low clouds is not necessarily expected, although some patchy fog could develop during heavier rain periods. The weather forecast for the Tri-Cities indicates fluctuating temperatures throughout the week, with highs ranging from 46 to 40 degrees and lows dipping to 32 degrees. Similarly, Yakima is predicted to experience temperatures between 43 to 36 degrees, with overnight lows falling to 24 degrees by the weekend.

Winter storm warnings serve as crucial alerts to the public regarding expected hazardous weather conditions, particularly concerning significant snowfall. The forecast highlights the interplay between cold air and elevation, with a notable focus on the effects of snow accumulation on driving conditions. Understanding precipitation patterns is important for anticipating the impacts on various regions, especially those situated at different elevations. This information is vital for residents to prepare adequately, ensuring their safety during adverse weather events.

In summary, the impending winter storm presents a serious weather event for the northern Cascades and Northern Blue Mountains. With a forecast for significant snowfall and potential driving hazards, residents should remain vigilant and prepared for changes in weather conditions. The fluctuating snow levels and the expected weather pattern suggest a need for caution, particularly for those traveling in the affected areas.

Original Source: www.nbcrightnow.com