Coffee futures are already on the rise over this. (Video shows snow falling, pictures show areas covered in snow, five-tweet thread)

Temperatures dropped across Brazil - with rare snowfall overnight in some places - as a polar air mass advanced toward the center-south of the global agricultural powerhouse, threatening coffee, sugarcane and orange crops with frost https://t.co/YbWlHm7B7E 1/5 pic.twitter.com/rPfbTCujC5

— Reuters Science News (@ReutersScience) July 30, 2021