Atmospheric River Map Shows States Facing Heavy Rain, Avalanches Possible
Summary
An atmospheric river, called a Pineapple Express, is predicted to bring heavy rain to parts of Washington, southeastern Alaska, and British Columbia. This system could cause flooding and avalanches due to the mixture of rain and existing snow. The most intense rain is expected on Vancouver Island, with some areas at risk of flash flooding and mudslides.Key Facts
- An atmospheric river is a long, narrow region in the atmosphere that carries moisture, similar to a river in the sky.
- The Pineapple Express is a type of atmospheric river that brings moisture from the tropical Pacific, especially near Hawaii.
- The system is expected to affect Washington, southeastern Alaska, and British Columbia from the weekend into early next week.
- Heavy rain, strong winds, and snow are expected, with varying impacts across the region.
- Vancouver Island in British Columbia could see 4 to 8 inches of rain, with some places receiving more.
- Urban areas along the Interstate 5 corridor near Seattle and Bellingham are at risk of flash flooding.
- Snow levels are expected to remain above the mountain passes in Washington.
- The combination of rain and snow increases the risk of avalanches and mudslides.
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