What is the great cold solar term? What is the great cold solar term?

1, the severe cold belongs to the period from April 9 to May 9. 49 is as cold as 39.

2. During the severe cold solar term, the atmospheric circulation is relatively stable, and the circulation adjustment period is about 20 days. When this circulation is adjusted, there will often be a wide range of rain and snow weather and strong winds to cool down. When the west of 80 degrees east longitude is a long wave ridge and East Asia is a coastal trough, under the influence of northwest wind and constantly supplemented cold air, China will have a sustained low temperature.