Severe storms and tornadoes expected across central and eastern U.S. this weekend
Sunday looks to feature the greatest threat — more than 25 million people are in an enhanced risk zone, which covers much of ...
BBC4y
The cause and impact of the Intertropical Convergence Zone
This air mass originates in the Sahara Desert. In tropical latitudes this air mass is hot to very hot, with low relative humidity, bringing stable weather. As the ITCZ moves north it carries the ...