File:Radar-algorithme eng.gif
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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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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:20, 19 September 2008 | | 383 × 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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