What’s causing extreme cold in US Midwest

Note4students Mains Paper 1: Geography | Salient features of World’s Physical Geography From UPSC perspective, the following things are important: Prelims level: Polar Vortex Mains level: Polar Vortex News A record-breaking cold wave has swept through the US Midwest, with 22 states hitting sub-zero temperatures. The extreme cold has been caused by a blast of … Continue reading What’s causing extreme cold in US Midwest