Heavy downdrafts and strong wind shear near the ground can be expected…
Refer to figure.
Heavy showers and thunderstorms are typically associated with intense convective activity. This convective activity involves strong updrafts and downdrafts within the storm. The downdrafts, or descending columns of air, can be particularly strong and cause significant changes in wind speed and direction when they reach the ground, resulting in strong wind shear.
When a downdraft hits the ground, it spreads out horizontally, creating gust fronts or outflow boundaries. These boundaries can lead to abrupt and intense wind shear, which can pose a significant hazard to aircraft, especially during takeoff and landing.
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