The weather in Longnan tomorrow

It has been raining. From March to May, cold and warm air flows frequently meet in southern Jiangxi, and the weather is changeable, sometimes cold and sometimes hot, with continuous rain. Once the cold and warm air currents are violently opposed, there may be severe weather such as thunderstorms, strong winds, hail and heavy precipitation.

summer

Flood first, then drought, less heat. In early summer, Ganzhou city is in the southwest airflow on the edge of subtropical high, with sufficient water vapor. Encounter cold air, heavy rainfall, easy to concentrate. In June, the average rainfall in Ganzhou was 254.3 mm, and the highest monthly rainfall 1968 reached 534.2 mm, the highest in the whole year. From July to August in midsummer, the highest temperature in the central basin during the day is generally above 36℃, but the temperature in the morning and evening is generally below 30℃. Although it is hot during the day, it is not so hot.

autumn

The sun is shining and the weather is cool. 10-165438+1about a week in the middle of October, it is often controlled by high pressure from north to south, with stable atmospheric stratification and fine weather. The monthly average rainy days are only 6-8 days, the monthly average temperature is 14-2 1℃, and the monthly average relative humidity is 70-80%, which is the least rainy season in the whole year.

winter

Cold but not cold, less rain and snow. The latitude in southern Jiangxi is low, and there are mountains in the north to stop cold air from driving directly south. It is late in winter and has little freezing damage. Often controlled by the dry and cold air mass in the north, few clouds and rain form. During the day, the sun is shining and the temperature is high; Radiation cooling at night, the temperature can drop below zero, forming frost and ice. When attacked by a strong cold wave, it can produce solid precipitation or freezing weather, but the probability is very small, and the average annual snowfall days are only 1-2 days.

Extended data:

Overall climate of Jiangxi:

The climate belongs to the subtropical warm and humid monsoon climate, and the annual average temperature is about 16.3- 19.5℃, which generally rises from north to south. The annual average temperature in northeastern Jiangxi, mountainous areas in northwestern Jiangxi and Poyang Lake Plain is 16.3- 17.5℃, and that in southern Jiangxi Basin is 19.0- 19.5℃. The summer is long, and the average temperature in July is 28.0-29.8℃ except for the surrounding mountainous areas in the province.

The extreme maximum temperature is almost above 40℃, which is one of the hottest areas in the middle reaches of the Yangtze River. Winter is short, 1 the monthly average temperature is 3.6-5.0℃ in Poyang Lake Plain in northern Jiangxi and 6.2-8.5℃ in Gannan Basin. The province is warm in winter and hot in summer, with a frost-free period of 240-307 days.

The daily average temperature is stable above 10℃ for 240-270 days, and the active accumulated temperature is 5000-6000℃, which is very beneficial to the development of triple cropping system of double-cropping rice and temperate subtropical economic trees. Only the northern terrain is open, and the extreme cold wave has a negative impact when it invades the south.

References:

Baidu encyclopedia-Jiangxi