The storms are expected to significantly impact parts of California, Oregon, Washington, and Colorado. Communities in the Sierra Nevada, including Lake Tahoe and Mammoth Lakes, may face hazardous travel conditions due to heavy snowfall and strong winds. Coastal areas from Monterey to Crescent City are at risk of dangerous surf and potential flooding during high tide. Wind advisories affect over 5 million people across Oregon, Nevada, and California, with gusts up to 65 mph in some areas. Residents in these regions should prepare for potential power outages, travel disruptions, and hazardous conditions.