How can the effectiveness of different tornado preparedness and education efforts be evaluated?

Separate the tornado myths from the tornado facts ... In fact, an overpass can act as a wind tunnel and may cause accelerated wind that collect debris, causing ... Jan 21, 2013 ... Cold air is less voluminous than hot, and as a result additional hot air flows into these zones at high altitude. At sea level the air flows out ... What Causes Tornadoes to Occur? Tornadoes occur when warm, moist air comes into contact with a cold front. Tornadoes tend to strike during the spring or ... The denser cold air is pushed over the warm air, usually producing thunderstorms. The warm air rises through the colder air, causing an updraft. The updraft ... Mar 30, 2020 ... A tornado's funnel doesn't have to reach the ground in order to cause significant damage. For example, the tornado that formed on the 7th of June, 2020 in Kani ... Jun 16, 2024 ... If a waterspout moves onshore, the National Weather Service issues a tornado warning, as some of them can cause significant damage and injuries ... When air rises it cools and moisture condenses. When the air is warm and moist to begin with, towering clouds may form first, then thunderstorms may soon follow ... Mar 13, 2025 ... Here's what to know about the causes for these storms, and the alerts for watches, warnings and emergencies. What can cause a tornado? The ... Oct 9, 2024 ... That changes as the storm makes landfall, and friction with the ground slows winds at lower altitudes, which also… drives them towards the ... What causes a tornado? Tornadoes are caused by severe thunderstorms, when warm, moist air collides with cold, dry air, creating instability in the atmosphere.