Why is Liaoning so warm this autumn?

In 2023, due to the weak cold air force, Liaoning was warm in autumn.

Since the beginning of September, Liaoyang city has been in high temperature and high humidity weather due to the influence of subtropical high. The subtropical high carries warm and humid air over our city, which makes Liaoyang mainly sunny with less precipitation during this period. The subtropical high is very strong, not only in Dalian, but also in most parts of East China and North China.

1-1The meteorological data of the last two months on October 24th show that the average temperature in Liaoning since the autumn of this year is 15.6℃, which is higher than normal 1.2℃ and the highest in the same period in history since 196 1. Under the background of global warming, coupled with the strong subtropical high in the northwest and weak cold air activity, the temperature in Liaoyang City is high this autumn.

Introduction of Climate Characteristics in Liaoning Province

Liaoning has a temperate monsoon climate. It is rainy and hot in the same season, with abundant sunshine, high accumulated temperature, warm in winter and long in summer, short in spring and autumn and distinct in four seasons. The total annual sunshine radiation in Liaoning province is between100 and 200 calories/cm2, and the annual sunshine hours are between 2100 and 2600 hours. There is insufficient sunshine in most areas in spring; Insufficient in early summer and more in late summer; There are many areas in autumn; There is obviously insufficient light in winter.

The annual average temperature is between 7- 1 1℃, which varies greatly from southwest to northeast and from plain to mountainous area due to the influence of monsoon climate. The average annual frost-free period is 130 to 200 days, and the average frost-free period is more than 150 days. Liaoning Province is the province with the most precipitation in Northeast China, with annual precipitation between 600- 1 100 mm. ..

Reference to the above content: Baidu Encyclopedia-Liaoning