How does speed shear contribute to severe weather?

4 days ago ... Supercells are the mightiest of the thunderstorms. They can roll for hours while maintaining tornadoes and damaging hail. May 8, 2024 ... When the NWS Storm Prediction Center issues a tornado watch for an area, it means tornado development is possible and people in the area should ... A tornado watch means there is the possibility of a tornado happening, but that does not mean there is a tornado occurring at the time. Feb 19, 2024 ... The NWS describes a tornado as a “violently rotating column of air extending from the base of a thunderstorm down to the ground.” Tornadoes develop from severe thunderstorms in warm, moist, unstable air along and ahead of cold fronts. Such thunderstorms also may generate large hail and ... A tornado “warning” means that danger is imminent in your area. A warning is issued by a local NOAA National Weather Service Forecast Office and indicates that ... The most obvious difference between a tornado and hurricane is that a hurricane's horizontal scale is about a thousand times larger than a tornado. In addition, ... Watches are issued by the Storm Prediction Center for counties where tornadoes may occur. The watch area is typically large, covering numerous counties or even ... Truly destructive tornadoes are most frequently reported in Florida during the spring and summer; the most powerful usually strike in spring. A tornado is a relatively small-diameter column of violently rotating air developed within a convective cloud that is in contact with the ground