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Tornado watch TOA: Also known as a red box. Conditions are favorable for the development of severe thunderstorms producing tornadoes in and close to the watch area. Watches are usually in effect for several hours, with six hours being the most common (also automatically indicates a Severe Thunderstorm Watch). Tornado warning TOR
A severe thunderstorm watch, like a tornado watch, is not to be confused with a warning. A watch encourages the public to remain vigilant—to be on the watch, so to speak—for the later onset of severe weather. An area under a watch may even experience deceptively fair weather with few clouds before thunderstorms develop.
A tornado watch is typically less severe than a tornado warning and encompasses a larger area like multiple counties and states. It serves as a signal for people to prepare in case of an emergency.
Tornado Alley, also known as Tornado Valley, is a loosely defined location of the central United States and Canada where tornadoes are most frequent. [1] The term was first used in 1952 as the title of a research project to study severe weather in areas of Texas , Louisiana , Oklahoma , Kansas , South Dakota , Iowa and Nebraska .
According to the National Weather Service, a tornado warning means there’s imminent danger to life and property in the warning area, and you should immediately move to an interior room on the ...
The National Weather Service at Wilmington announced a tornado watch just before 6 p.m. that includes the Greater Cincinnati area. The watch affects western Indiana, central Ohio, southwest Ohio ...
Tornadoes, despite being one of the most destructive weather phenomena, are generally short-lived. A long-lived tornado generally lasts no more than an hour, but some have been known to last for 2 hours or longer (for example, the Tri-State Tornado). Due to their relatively short duration, less information is known about the development and ...
Learn about the formation and characteristics of hurricanes, typhoons and tornadoes.