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California Heat, Washington Flood: A Weather Paradox
20 Mar
Summary
- A heat dome over the Southwest is steering moisture to Washington.
- Washington faces widespread flooding from an atmospheric river.
- California experiences unusual early-season heat.
A significant heat dome has settled over the southwestern United States, causing unusually warm and dry conditions. This high-pressure system is forcing storms northward, creating a continuous flow of moisture across Washington State.
This atmospheric river, described as a Pineapple Express, is unleashing heavy rainfall in the Pacific Northwest. Numerous flood-related alerts are in effect for Washington as widespread rainfall of 1 to 4 inches is expected in lower elevations, with higher amounts in mountainous areas.
The extreme weather contrast highlights how a single high-pressure system can influence weather patterns across vast distances. Meteorologists warn that both the record warmth in California and the heavy rain in Washington may persist concurrently.
