What characterizes straight-line winds?

Straight-line winds are characterized by their high speed, often exceeding 50 mph, and they typically occur as a result of thunderstorms. When a strong thunderstorm develops, particularly those classified as severe, the downdrafts produced can generate these powerful winds that travel along the ground. Unlike tornadoes, which can spin violently in a concentrated area, straight-line winds are more widespread and occur horizontally, affecting a larger area but without the rotating structure associated with a tornado.

This distinction is crucial because while tornadoes are localized and can be extremely destructive due to their rotational winds, straight-line winds pose significant risks by knocking down trees, damaging structures, and creating hazardous conditions across extensive regions. Understanding the nature and dynamics of straight-line winds helps in effectively recognizing the potential for severe weather impacts that can arise from thunderstorms.