Winds associated with the storm system pull cold air from the north and moisture from the Pacific into the Northwest as it swings a frontal boundary toward the coastline. The swirl highlights a low pressure system dropping southward from the Gulf of Alaska.

This NOAA satellite image taken Tuesday, at 11:00 AM EDT shows a swirl of clouds just west of British Columbia. For other uses, additional clearances may be required. This content is intended for editorial use only. Not available to licence for any broadcast or streaming service, video on demand, film, national newspaper or to create a NFT. Energy associated with this system keeps portions of Montana under fairly gloomy skies with areas of rain showers and periods of heavy rainfall.Questa immagine potrebbe avere delle imperfezioni perché è storica o di reportage. Meanwhile, a patch of widespread clouds over Saskatchewan and Montana highlight another low pressure system straddling the US-Canadian border. Moist flow and energy from this disturbance triggers increasing clouds areas of scattered showers in the Pacific Northwest and northern California through the day.

Esta imagen podría tener desperfectos porque se trata de una imagen histórica o de reportaje.

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