What are multi-vortex tornadoes?

All sirens are tested at noon on the first Saturday of each month and silently tested daily internally by the system itself. Other than tests, the sirens are ... Mar 31, 2023 ... A tornado warning is more severe than a watch, according to the NWS. When a warning is issued, there is imminent danger and a tornado was ... Jun 6, 2024 ... A watch means thunderstorms are possible in the area. Watch areas are generally large. People in the areas should pay attention to weather reports and changing ... Tornado Watches occur when conditions favorable for a severe thunderstorm with a tornado are imminent. Tornado Warnings occur when a tornado has been ... tornadoes and tornado outbreaks by New World explorers and weather enthusiasts were referred to as “whirlwinds” (Redfield 1857), “hurricanes” (Brocklesby 1859), ... There are three basic criteria to activate the sirens for tornadoes: The National Weather Service issues a Tornado Warning for Johnson County,; A county trained ... During his studies, Aburto witnessed the unique courtship behavior of the bigeye trevally. He saw that large groups of the fish swim quickly together and around ... A funnel cloud is also a column of violently rotating winds extending down from a thunderstorm; however, it does not touch the earth as a tornado does. A tornado warning is more severe than a tornado watch. When a tornado warning is in effect, a tornado has been reported, while a tornado watch simply means the ... Feb 28, 2023 ... This signal may be used to inform the community of an emergency or disaster, including a severe storm, tornado warning (not a tornado watch) ...