File:Radar-algorithme eng.gif

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Radar-algorithme_eng.gif ‎(383 × 473 pixels, file size: 320 KB, MIME type: image/gif, looped, 7 frames, 0.7 s)

Summary

Description
English: Detection by the WSR-88D radar (NEXRAD) two mesocyclones with a supercell passing over Northern Michigan July 3rd, 1999 at 23:41 UTC. Thin yellow circles represent incipient or weak 3D vortex detections, Thick yellow and red circle represents a 3D vortex which has been classified as a mesocyclone, with its base detected at the 0.5 degree elevation sweep of the volume scan. A tornado and associated mesocyclone are seen while to the east a larger area of rotation has developed.
Français : Détection de mésocyclones par un radar américain WSR-88D (NEXRAD) sur le nord du Michigan le 3 juillet 1999. Les minces cercles jaunes sont la détection d’une faible rotation en trois dimensions (3D) alors que le grand cercle jaune et rouge représente un mésocyclone 3D avec sa base détectée à l’angle le plus bas de 0,5 degré. Une tornade est associée avec la rotation à gauche alors qu’une zone de mésocyclone se développe à droite.
Date
Source Image from Case Study - 03 July 1999 Northern Michigan by the National Severe Storm Laboratory
Author Greg Stumpf, Pat Burke, Christina Hannon and Valerie McCoy of NSSL
Other versions File:Radar-algorithme fr.gif

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current00:20, 19 September 2008Thumbnail for version as of 00:20, 19 September 2008383 × 473 (320 KB)Pierre cb{{Information |Description={{en|1=Detection by the WSR-88D radar (NEXRAD) two mesocyclones with a supercell passing over Northern Michigan July 3rd, 1999 at 23:41 UTC. Thin yellow circles represent incipient or weak 3D vortex detections, Thick yellow and
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