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Weather Hazards 3 November 2021 The greatest threat to aviation operations is weather hazards. According to the FAA, weather is the cause of about 70% of the delays in the National Airspace System (Transportation, n.d). There are many different types of weather threats to flight operations including wind shear, icing, thunderstorm, turbulence, fog, and microbursts. Although it is a very common conception that thunderstorms can cause damage to flight, many don't understand the physical effects it can cause to the aircraft once it reaches altitudes. Understanding thunderstorms and the hazards that come with it is detrimental to fight safety. A thunderstorm forms when warm, water dense air rises into cold air, cooling it down which causes water vapors to form (UCAR, 2019). This cooled air then drops into the lower and warmer atmosphere and rises again due to the heat, causing a Convection Cell (UCAR, 2019). Recognizing when thunderstorms are going to form is crucial when pla