A derecho (/ ˈ d ɛ r ə tʃ oʊ /, from Spanish: derecho [deˈɾetʃo], 'straight') [1] is a widespread, long-lived, straight-line wind storm that is associated with a fast-moving group of severe …

At the most basic level, there are two types of thunderstorm winds: 1) those associated with the UPDRAFT, and 2) winds associated with the DOWNDRAFT. Tornado - a violently rotating …

There are three ingredients that must be present for a thunderstorm to occur. They are: MOISTURE, INSTABILITY, and LIFTING. Additionally, there is a fourth ingredient (WIND …

Strong (up to more than 120 mph) straight-line winds associated with thunderstorms knock down trees, power lines and mobile homes. Tornadoes (with winds up to about 300 mph) can …

2018年5月9日 · The average wind speed during a thunderstorm varies, and depends on temperature, humidity, topography and the phase of the storm itself. The speed is highest …

2017年7月9日 · How do the normal air currents inside a thunderstorm turn into walls of wind that can reach hurricane strength? Downward moving cold air spreads out when it hits the ground, …

2024年11月29日 · Thunderstorms are violent atmospheric disturbances characterized by lightning, thunder, and rain. Warm, moist air rises, forming cumulonimbus clouds reaching …

2023年12月5日 · A thunderstorm, often referred to simply as a storm, is a weather phenomenon characterized by thunder, lightning, heavy rain, and strong winds. These storms can range in …

Thunderstorms that produce hail one inch in diameter (U.S. quarter-size) or larger, convective winds of 50 knots (kts) (58 miles per hour) or greater, and/or tornadoes.

2024年12月27日 · Thunderstorm - Updrafts, Downdrafts, Air Masses: The motion of a thunderstorm across the land is determined primarily by the interactions of its updrafts and …