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File:Tornado Warnings statistics 2005.jpg

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Description
English: Graphics showing the accuracy, lead time and false alarm ratio of Tornado warnings in USA from 1987 to 2005 with extrapolated aim up to 2011.
Français : Diagramme montrant les statistiques de Probabilité de détection, préavis et taux de fausses alarme des alertes de tornades au É-U de 1987 à 2005. On y montre également une extrapolation des buts visée jusqu'en 2011.
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Source http://www.nws.noaa.gov/com/files/perfmeasures/all2006.ppt
Author NOAA
Other versions File:Statistiques des Alerte de tornades 2005.jpg

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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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current14:04, 22 April 2009Thumbnail for version as of 14:04, 22 April 2009960 × 720 (100 KB)Pierre cb (talk | contribs){{Information |Description={{en|1=Graphics showing the accuracy, lead time and false alarm ratio of Tornado warnings in USA from 1987 to 2005 with extrapolated aim up to 2011.}} {{fr|1=Diagramme montrant les statistiques de Probabilité de détection, pr�

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