What weather conditions will affect flights?

What is the weather reason for the flight delay? weather Such as fog, thunderstorm, storm, runway snow, icing, low visibility, etc. , are bad weather that will endanger flight safety. But from the passenger's point of view, bad weather means that there is strong wind, heavy rain, fog or thunderstorm in our airport, and the plane may not be able to take off and land and the flight will be delayed. This one-sided understanding has caused many misunderstandings about civil aviation. When there are delays caused by frequent weather, individual passengers think that civil aviation is cheating. In fact, the simple word "weather reason" actually contains many situations: the weather conditions at the departure airport are not suitable for take-off; The weather conditions at the destination airport are not suitable for landing; The meteorological conditions of flight routes are not suitable for flying over and so on. In order to ensure flight safety, there are many meteorological standards that meet the requirements of flight, take-off and landing. Firstly, this paper introduces the place where weather conditions affect a flight, 1, and the weather conditions at the departure airport (visibility, low-level clouds, thunderstorm area, strong crosswind). 2. Weather conditions at the destination airport (visibility, low-level clouds, thunderstorm areas, strong crosswinds); 3. Meteorological conditions on the flight route (high-altitude thunderstorm area); 4. Unit status (technical level of the unit, analysis and grasp of current weather and trends, and professional decision-making) 5. Aircraft status (under the premise of safety, due to the safety standards of meteorological conditions and the failure of some airborne equipment, the aircraft is not suitable for flying in this weather condition) 6. Subsequent situations caused by bad weather (mostly damage to airport navigation facilities and substandard runway, such as icing and serious water accumulation). Due to the above weather conditions, it often appears: 1, "The city where the destination airport is located has good weather conditions and good visibility. Why is it still delayed because of the weather? " In fact, the weather conditions in the city where the destination airport is located are good, which does not mean that the airport is suitable for aircraft landing. Covered near the airport take-off and landing passage is a low cloud and thunderstorm area, which is a common factor leading to this delay. In order to ensure flight safety, even if the plane is in the automatic landing state, the pilot must be able to see the runway and ground completely at a certain height (generally 60 meters) before landing. If you can't see the runway at this time, you are not allowed to land. 2. "The city where the destination airport is located has good weather conditions and good visibility, and the airport is also taking off and landing normally. Why is it still delayed because of the weather? " This situation is often because the meteorological conditions of the flight route are not suitable for flying over, such as thunderstorm area, in which case the plane can only wait on the ground. Once there is a thunderstorm area on a narrow route, it can be bypassed under certain conditions. However, due to flight safety and national defense needs, civil aviation routes are strictly restricted, and there is little room for flying around and turning around. When the thunderstorm area is large, this method will not work? 3. "It's also flying somewhere. Why can some people go, but others are told that they can't go because of the weather? " There are many possibilities for this situation. First of all, it should be clear that the standard of aircraft take-off and landing is related to the aircraft type, and the specific safety standards formulated by the same aircraft in various airlines may be different, and the captain's decision on the current weather and trends will be different. It depends on the captain's decision after judging the state of the plane, airport, weather, etc. The Civil Aviation Law stipulates that "if the civil aircraft, airport and meteorological conditions are found not to meet the requirements and flight safety cannot be guaranteed, the pilot-in-command has the right to refuse to fly". 4. "Why didn't you tell me that I couldn't land at the destination airport because of the weather? I had to alternate to other airports or return, and some planes could land normally?" Although the meteorological department of civil aviation will rely on advanced equipment to continuously issue more accurate weather change trend forecasts to facilitate flight operation and scheduling, the weather conditions are constantly changing and it is difficult to accurately judge. This will lead to a sudden deterioration of weather conditions when landing, making it impossible for the plane to land. For safety reasons or fuel shortage, the plane will have to alternate to other airports. The weather is constantly changing, and it may be bad weather for a short time. Five minutes ago, the weather allowed the plane to land, five minutes later, and your plane just caught up with the bad weather conditions and could not land. This is a very common phenomenon. At the same time, as mentioned above, when the weather is on the edge of the standard, it is up to the captain to decide whether to land. The captain thinks that the weather is not suitable for landing at other airports or returning to other airports, and should absolutely support it. Therefore, when the flight is delayed due to weather, the key points that passengers need to pay attention to are: the weather not only refers to the weather situation in the city where the destination airport is located. Aircraft take-off and landing are not afraid of strong winds and heavy rains, but the key meteorological factors affecting it are visibility, low clouds and thunderstorms near the airport take-off and landing passages, and strong crosswinds. Due to the weather, your flight delay is normal.

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