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These are the first warnings issued with PDS wording, and like PDS flash flood watches, are issued by local forecast offices. [19] [20] Below is an example of a PDS Tornado Warning, issued for the 2021 Naperville–Woodridge tornado on June 20, 2021.
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.
Severe weather statement SVS – A statement issued to provide updated information for active severe thunderstorm and tornado warnings to the public and emergency managers, with revised information including reports of observed severe weather and the approximate location of the storm cell (as indicated by the most recently updated NEXRAD data ...
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When there's a tornado watch, It’s important to know what you can do to safeguard your life.
Tornado Debris Project (TDP) Tornado debris signature (TDS) – A more formal term for a debris ball. Tornado emergency – Enhanced wording used by the U.S. National Weather Service in a tornado warning or severe weather statement when a large, intense tornado is expected to impact a highly populated area (traverse a large city or dense suburbs).
The "particularly dangerous situation" wording is used in "rare situations when long-lived, strong and violent tornadoes are possible," the weather service said. "Numerous" tornadoes are expected ...
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 ...