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An example of a tornado warning polygon issued by the National Weather Service. A tornado warning (SAME code: TOR) is a public warning that is issued by weather forecasting agencies to an area in the direct path of a tornado, or a severe thunderstorm capable of producing one, and advises individuals in that area to take cover.
Tornado warnings are issued by your local forecast office. What is a tornado emergency? A step above a tornado warning, issued by the National Weather Service in “exceedingly rare” situations ...
By comparison, tornado warnings come out when twisters have been spotted on the ground or on radar. During a warning, people are urged to go inside right away.
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.
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 ...
PDS tornado warnings are currently issued on an experimental basis by the 38 National Weather Service Weather Forecast Offices within the Central Region. [17] The criteria for a PDS warning are when a tornado on the ground has been spotted or confirmed, or a significant tornado is expected based on radar signatures.
A tornado watch is not required for a warning to be issued; tornado warnings are occasionally issued when a tornado watch is not active (i.e., when a severe thunderstorm watch is active or if conditions for tornadic development are not expected to be substantive enough to require a watch), if a severe thunderstorm has a confirmed tornado or ...
A tornado warning means a tornado has been sighted by a local NWS forecast office or indicated by weather radar and there is imminent danger to life and property.