Suchergebnisse
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Vor 15 Stunden · Since its initial usage in May 1999, the National Weather Service (NWS) in the United States has used the tornado emergency bulletin, an unofficial, 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 ...
Vor 3 Stunden · The increase in tornado clustering has been observed since the 1980s and continues into present day, says Tyler Fricker, an author of the 2019 study on the subject. According to that study, while ...
