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The National Weather Service Weather Forecast Office in Jackson, Mississippi, defines a tornado emergency as "an enhanced Tornado Warning that will be issued by NWS Jackson when there is a heightened risk for a killer or violent tornado of EF3 rating or greater." [30] Their criteria for issuing a tornado emergency are:
Separately, Emergency Management Ontario—upon implementing the system in 2008—issues red alerts for sections of the province under an Environment Canada-issued tornado warning, and can sometimes override the tornado warning if local government or media outlets participate in the program.
Since its initial usage in May 1999, the National Weather Service (NWS) in the United States has used the tornado emergency bulletin — a high-end classification of tornado warning — sent through either the issuance of a warning or via a "severe weather statement" that provides updated information on an ongoing warning—that is issued when a violent tornado (confirmed by radar or ground ...
A tornado emergency would not be issued again until Sept. 20, 2002, when a long-tracked tornado approached part of Indianapolis. This tornado remained on the ground for 112 miles and produced F3 ...
The tornado emergency designation first came about when a large and destructive tornado hit Oklahoma City, Oklahoma, on May 3, 1999, per the weather service. It was called because the storm was expected to be too severe for the tornado warning, already in effect, to be considered sufficient language to alert people.
Tornadoes can be one of Mother Nature's most destructive forces, but advanced warning can help to save lives when a tornado is approaching. As a strengthening thunderstorm begins to rotate, the ...
A warning means a tornado has been sighted or weather radar indicates rotation and a possible tornado. It represents imminent danger to life and property and urges immediate action to get to a ...
The National Public Warning System, also known as the Primary Entry Point (PEP) stations, is a network of 77 radio stations that are, in coordination with FEMA, used to originate emergency alert and warning information to the public before, during, and after incidents and disasters. PEP stations are equipped with additional and backup ...