Traditional Culture Encyclopedia - Weather inquiry - When will I have a chance to go to Huangshan to see the sea of clouds?

When will I have a chance to go to Huangshan to see the sea of clouds?

The formation of the sea of clouds has its reasons and laws. Huangshan Mountain has high valley, dense forest, short sunshine time and difficult evaporation of water, so it has high humidity and much water vapor. After the rain, wisps of light fog often rise in the valley. There are about 250 foggy days on average throughout the year, which is really a land of fog. The sea of clouds in Huangshan is formed by low clouds (the height of the cloud bottom is less than 2500 meters) and ground fog. Low clouds are mainly stratocumulus clouds, which is its characteristic. From June165438+1October to March of the following year, 97% of the sea of clouds in Huangshan was formed by stratocumulus, and only 3% was formed by stratocumulus or fog. From June to September, there are clouds formed by light cumulus clouds and thick cumulus clouds, accounting for about 6% of the total cloud amount in this period.

In winter and spring, the air temperature in the middle and lower layers is low, the condensation height of stratocumulus is low (about 800 ~ 1200m), and cold air activities are frequent. The weather activity is obvious during the process. After rain and snow, there will often be a large area of good sea of clouds, especially the spectacular sunrise of the sea of clouds. In the rainy season after summer, with the temperature rising, the condensation height of clouds rises to about1500m, and the height of clouds exceeds or approaches most peaks. At this time, the clouds are shrouded and it is difficult to see the sea of clouds. July-August is the midsummer of Huangshan Mountain. During this period, it is often controlled by the Pacific subtropical high, the temperature rises, and the condensation height of low clouds also rises to the highest level in the whole year. The shady side of the mountain is humid and prone to convection. From morning to afternoon, light cumulus clouds and thick cumulus clouds often form around the mountain, but because the clouds are higher than the summit, the sea of clouds is rare. In the evening or morning, you can occasionally see a sea of clouds formed by cumulus and stratocumulus, but they are easily destroyed due to the influence of circulation, and the sea of clouds lasts for a short time. After autumn, affected by the cold air in the north, the temperature drops and the condensation height of low clouds also drops. After the cold air, there is often a large sea of clouds with high stratocumulus.