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Microburst
What is a microburst?
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A microburst is a small-scale, intense downdraft of air that occurs during thunderstorms or other convective weather systems. It is a weather phenomenon characterized by a rapid and powerful downward flow of air that spreads out horizontally when it reaches the ground.
Microbursts are typically short-lived and can last for only a few minutes. They are capable of producing strong and damaging winds, often exceeding 100 miles per hour (160 kilometers per hour). These powerful winds can cause significant damage to structures, trees, and other objects in their path.
There are two main types of microbursts: wet microbursts and dry microbursts. Wet microbursts occur in areas with high atmospheric moisture content, while dry microbursts occur in drier air masses. Both types can pose hazards to aviation, particularly during takeoff and landing, as they can cause sudden and drastic changes in wind speed and direction.
Microbursts are a concern for pilots because they can create hazardous wind shear conditions, which can affect the performance and control of aircraft. Aircraft encountering a microburst during takeoff or landing may experience a sudden loss of lift, making it difficult to maintain altitude or climb. As a result, microbursts have been associated with several aviation accidents in the past.
Weather monitoring technologies, such as Doppler radar and weather satellites, help in detecting and tracking microbursts. Pilots and air traffic controllers receive information about the presence of microbursts to enhance safety during flight operations.