What are mammatus clouds and what do they indicate about a storm?

May 21, 2013 ... What causes a tornado? Twisters, as they are also known, form below thunderstorms when huge columns of air rising upwards through the storm ... ... cause severe damage a considerable distance from the tornado. Usually, the funnel cloud begins causing damage on the ground (becoming a tornado) within a ... 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 ... Sep 5, 2023 ... So now that you know what a fire tornado is and what causes a fire tornado, we'll explore whether home insurance policies cover fire tornadoes. Tornadoes can form within thunderstorms when instability is accompanied by what meteorologists refer to as “wind shear”—large changes in wind speed or direction ... Dec 6, 2023 ... Cold, dry air aloft from the North Pole meets warm, humid air from the Gulf of Mexico. These air masses of different temperatures and pressures ... Dec 14, 2022 ... What causes a tornado outbreak? ... If all these atmospheric elements come together, tornadoes can happen. Outbreaks of tornadoes occur when the ... Most tornadoes form when a strong updraft (an upward current of air) spins into a swirling column of air. An increase in wind speed and a change in wind ... Mar 13, 2025 ... What can cause a tornado? ... The large areas of low atmospheric pressure that come with some storm systems can spawn tornadoes. Low pressure is ... Mar 13, 2025 ... What's the best way to prepare? People should have multiple ways to get watches and warnings and know the definitions of each, experts say.