Winter Storm Warning Issued for Northern Cascades and Blue Mountains

A Winter Storm Warning is issued for the northern Cascades and Blue Mountains from 1 AM Sunday to 4 AM Monday, predicting 7-15 inches of snowfall. Snow levels are currently lower than forecast, causing significant accumulation variances. Conditions are expected to improve post-storm, with another round of precipitation anticipated mid-week.

Significant winter weather is anticipated in the mountainous regions of the northern Cascades and Northern Blue Mountains. A Winter Storm Warning has been issued between 1 AM on Sunday and 4 AM on Monday for elevations above 3,500 feet. Heavy snowfall is expected, with accumulation ranging from 7 to 15 inches in the Cascades and 10 to 15 inches in the Blues. Current snow levels are approximately 4,000 feet, lower than the previously forecasted levels of 4,500 feet. This small discrepancy has resulted in notable variations in snowfall predictions.

The upcoming winter storm is driven by a cold air mass and a shortwave trough that will enhance precipitation as it traverses the region. Areas surrounding high-traffic routes, including La Pine and Lava Butte, are particularly vulnerable due to their proximity to and elevation around the 4,000-foot mark. As the storm progresses, a rise in snow levels is predicted, potentially reaching 5,500 to 6,000 feet towards the evening of Sunday. Following this period, conditions may improve as surface high pressure develops behind the weather system, leading to a decrease in snow activity by Monday afternoon.

In summary, the forthcoming winter storm in the northern Cascades and Northern Blue Mountains is expected to bring substantial snowfall and challenging driving conditions, particularly at higher elevations. Conditions will shift post-storm as high pressure builds, although additional precipitation may occur later in the week. Travelers and residents are advised to remain vigilant and prepare accordingly for hazardous conditions.

Original Source: www.nbcrightnow.com