Consider this post from Watts Up With That.
Excerpt:
A brutal and historical cold snap has so far caused 80 deaths in South America, according to international news agencies. Temperatures have been much below normal for over a week in vast areas of the continent. In Chile, the Aysen region was affected early last week by the worst snowstorm in 30 years. The snow accumulation reached 5 feet in Balmaceda and the Army was called to rescue people trapped by the snow.
In Argentina, the snow in the region of Mendoza, famous for its winery, was described by local meteorologists as the heaviest in a decade. The temperature in the morning of July 16th was the lowest in the city of Buenos Aires since 1991: -1.5C. The cold snap caused a record demand for energy and Argentina had to import electricity from Brazil. Many industries in Argentina were shut down due to gas shortage.
It snowed in nearly all the provinces of Argentina, an extremely rare event. It snowed even in the western part of the province of Buenos Aires and Southern Santa Fe, in cities at sea level.
And more from a different Watts Up With That post. A map!

It’s global warming!!!
A brutal and historical cold snap has so far caused 80 deaths in South America, according to international news agencies. Temperatures have been much below normal for over a week in vast areas of the continent. In Chile, the Aysen region was affected early last week by the worst snowstorm in 30 years. The snow accumulation reached 5 feet in Balmaceda and the Army was called to rescue people trapped by the snow.
In Argentina, the snow in the region of Mendoza, famous for its winery, was described by local
meteorologists as the heaviest in a decade. The temperature in the morning of July 16th was the lowest in the city of Buenos Aires since 1991: -1.5C. The cold snap caused a record demand for energy and Argentina had to import electricity from Brazil. Many industries in Argentina were shut down due to gas shortage.
It snowed in nearly all the provinces of Argentina, an extremely rare event. It snowed even in the western part of the province of Buenos Aires and Southern Santa Fe, in cities at sea level.
The most famous beach of Argentina, Mar del Plata, was whitened by the snow in the morning of July 15th, a scene only seen in recent memory in 1991, 2004 and 2007.
