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US Weather Split: Heat Dome vs. Arctic Chill
26 Jun
Summary
- East faces oppressive heat dome; West experiences arctic cold.
- Central US storm track fuels heavy rain and severe weather.
- Rockies face winter storm watch amid unseasonably cold air.
A dramatic weather split is currently affecting the United States, creating three distinct climate zones simultaneously. The eastern half of the country is experiencing an intense heat dome, bringing oppressive humidity and dangerous heat to major population centers, with little relief expected.
In stark contrast, the western United States is grappling with an unusually cold air mass. Deep upper-level troughing is driving temperatures 15 to 20 degrees below normal across the Rockies and Intermountain West, leading to a winter storm watch being issued by the National Weather Service for potential snow and hazardous travel conditions.
This clash of air masses is fueling an active storm track through the central U.S. From the Plains to the Midwest and Ohio Valley, repeated rounds of showers and thunderstorms are anticipated. The boundary between the heat and cold will also serve as a focal point for heavy rain and severe weather, increasing the risk of localized flooding.
