An unusual heatwave is taking shape across the western United States, driven by a powerful and highly anomalous upper-level high-pressure system.
This setup is allowing heat more typical of early summer to surge into the region, bringing a dramatic and rapid increase in temperatures, meanwhile, much of the eastern United States has been experiencing well below average temperatures.
Extreme Heat Builds Across the Western United States
Early in the week, areas across California, the Great Basin, and the Desert Southwest are experiencing temperatures soaring 20 to 30 degrees above seasonal averages.
This intense warmth is not expected to remain confined to the West; instead, it will gradually expand eastward into the Rockies…
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Source www.theweather.com
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