The western coast of the United States, particularly northern California, will be hit over the weekend by a series of intense storms fueled by atmospheric rivers, phenomena known for transporting large amounts of moisture from the ocean to the mainland.
These weather events, among the most significant of the season, will bring heavy rains and abundant snowfall in mountainous areas, creating potential risks for local communities.
Rain Forecasts and Flood Warnings
The first storm system already struck on Wednesday evening, leaving significant rain and snow accumulations in the mountains of northern and central California, with snow deposits reaching 4 inches.
However, the second system, hitting on Saturday (today), poses a greater threat. Precipitation will intensify along the central and northern areas of the western coast, with significant rainfall accumulations, especially in northern California. This region has already experienced 22.8 inches of rain during the powerful category 5 atmospheric river in November 2023, and the arrival of additional precipitation heightens the risk of local flooding in urban areas and along smaller waterways.
Authorities have issued specific warnings, urging the population to monitor the situation.
Abundant Snowfall in the California Mountains
The mountainous areas will be particularly affected by the storms.
The snow level is expected to stabilize above 4921 feet, with accumulations that could reach 24 inches.
Near the highest peaks, impressive amounts of snow are estimated, with values ranging between 35 and 59 inches.
These snowfalls could create extremely difficult travel conditions, with snow-covered roads and significant delays.
Local authorities recommend caution and preparation for anyone needing to cross mountain passes or areas affected by the bad weather.
Extreme Weather Conditions: Cold Temperatures and Strong Winds
Temperatures during the storms will remain low, with further cooling due to cloud cover and precipitation.
Winds, a key element of these disturbances, will reach speeds up to 56 mph on mountain ridges, increasing the risk of whiteout conditions, where visibility is drastically reduced during the heaviest snowfalls.
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