
The cause of the bitter cold air sweeping into China this month, setting a seasonal low temperature record, may stem from a weakening polar vortex.

We often hear the terms severe cold, severe cold... in weather forecasts, but not everyone can distinguish between these types of cold.

At the end of March, the weather usually starts to warm up, but this year it may be different. Some forecast models and meteorological experts say that, apparently

Mau Son (Lang Son) this morning had the lowest temperature of only 2 degrees Celsius, some other places below 10 degrees Celsius such as Sa Pa (Lao Cai) and Dong Van (Ha Giang).