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weather18h ago
U.S. forecasts blizzard, polar vortex, heat dome and atmospheric river all at once
Latimes.com and 1 more
- A nationwide pattern of rapid weather swings is intensified by shifting jet stream and Arctic changes, driving simultaneous heat in the Southwest and Arctic cold in the Midwest and East.
- Phoenix is forecast to reach triple-digit temperatures early in the week, signaling an unprecedented March heat event alongside extreme cold elsewhere.
- A polar-vortex surge is expected to plunge the Midwest and East into bitter cold, with Minneapolis near zero and Chicago in single digits following the warm spell.
- Two back-to-back winter storms along the northern tier and Great Lakes could yield 3 to 4 feet of snow in places and may intensify into a bomb cyclone.
- Hawaii faces persistent heavy rain from an atmospheric river, elevating flood risk across the islands.
- Forecasters attribute rapid cold-to-heat swings to shifting jet stream patterns, with jet-stream dynamics becoming more extreme under evolving climate conditions.
- Experts link unusual jet-stream and polar-vortex activity to shrinking Arctic sea ice and human-caused climate change, signaling broader climate pressures behind the extremes.
- A wild-weather pattern is expected across most of the United States, with rapid shifts from heat to cold as the system unfolds.
- Officials warn residents to prepare for rapid weather changes and potential power outages as storms sweep across the nation.
- The new reference emphasizes AP reporting on a blizzard, polar vortex, heat dome, and atmospheric river appearing simultaneously, underscoring unprecedented convergence of extremes.
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