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What does a tornado watch mean? According to the National Weather Service, a tornado watch is issued by the Storm Prediction Center as a warning in counties where tornadoes could occur.
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
In Canada, a severe thunderstorm is defined as having wind gusts of greater than 90 km/h (56 mph), hail with a diameter of greater than two centimetres (0.79 in), rainfall rates of greater than 50 millimetres (2.0 in) in one hour or greater than 75 millimetres (3.0 in) in three hours, or tornadoes. [14]
A watch must not be confused with a tornado warning, and encourages the public to remain vigilant for the onset of severe weather, including possible tornadoes. A tornado watch does not mean a tornado has been observed or will occur, just that favorable conditions increase the likelihood of such storms happening, and may be issued several hours ...
A tornado warning means "take action now" as a tornado has been sighted or is indicated by weather radar. There is imminent danger to life and property. Move to an interior room on the lowest ...
The Storm Prediction Center, jointly run by the National Oceanic and Atmospheric Administration and NWS, issues tornado watches. Tornado warnings are issued by your local NWS forecast office.
Given the National Weather Service has warned the storms’ strongest impact could still be on its way, arriving between 2 and 10 p.m. Tuesday, authorities are urging people to stay weather aware.
The Midwest, including portions of Iowa, was under a “particularly dangerous situation tornado watch” on May 21. The PDS watch is a special label applied to watches by the National Weather ...