It's winter in the southern hemisphere, and unusually severe temperatures dipped to -8°F (-22°C) in parts of Argentina's Rio Negro Province, leading to at least two deaths from exposure. Energy officials are now monitoring the nation's power grid, which came under strain during a similar cold snap in May.

Meanwhile, Buenos Aires residents were cheering at the sight of the white flakes blanketing the streets for the first time since 1918, according to several news reports.

"Despite all my years, this is the first time I've ever seen snow in Buenos Aires," 82-year-old resident Juana Benitez told the Associated Press.

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