Small convective cloud Convective clouds are clouds formed by convection. When the atmosphere is in an unstable state, with cold air on top and warm air on the bottom, the warm air in the lower layer will rise, thus forming convection. The temperature of the rising warm air will continue to decrease, and when it reaches a certain height (condensation height), water vapor will condense to form clouds. This type of cloud is a convective cloud. If the convective clouds are distributed in clusters, they are called convective cloud clusters. Arrows point to small convective clouds. What should I do if I see convective clouds? If the convective clouds are scattered, you don't need to pay too much attention to them. If the convective clouds gradually gather and increase in number, you need to pay attention, because severe convective weather may be coming! Heavy precipitation may occur. fog Want to know how to tell whether it is fog or cloud from satellite cloud images? First of all, we need to understand what fog is. Fog is a liquid weather phenomenon composed of tiny water droplets or ice crystals suspended in the air near the ground. It is the product of condensation (or sublimation) of water vapor in the air near the ground. Fog has obvious daily changes. The temperature is relatively high during the day, and the air can hold more water vapor. However, at night, the temperature drops, and the air's ability to hold water vapor decreases. Therefore, some of the water vapor will condense into fog. Fog is usually most likely to appear from midnight to early morning, and will quickly dissipate after sunrise. The arrow points to the "branch-like" mountain fog. What should I do if I see fog? Pay attention to whether there are any warning signals in the local area, and drive slowly when visibility is low. Wave Cloud System Wave clouds are orographic clouds formed in air currents crossing hills or mountains. They are several kilometers to tens of kilometers long and present light and dark, neatly arranged parallel cloud bands, like ripples. This is caused by the vertical fluctuations of the atmosphere, the wind direction is orthogonal to the mountain ridge, the atmospheric stratification is stable, and the cloud bands are parallel to the mountain ridge. The picture shows a wavy cloud system. What should I do if I see wavy clouds? This type of cloud system will not produce any violent weather processes, it just has a special shape. |
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