File:Von Kármán Vortices Make Swirling Cloud Patterns off Canary Islands (49561706258).jpg
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[edit]DescriptionVon Kármán Vortices Make Swirling Cloud Patterns off Canary Islands (49561706258).jpg |
These spiral cloud eddies, seen by GOES-16 (GOES East) streaming off the Canary Islands on Feb. 20, 2020, are caused by von Kármán vortices. Named after Theodore von Kármán, a physicist who was the first to describe their formation in detail, they tend to occur anywhere that a streaming fluid—or in this case, atmospheric flow—is disturbed by an object and undergoes oscillation. Here, winds blowing across the ocean are diverted around the islands, flowing around them and producing clouds in an alternating direction of rotation. There are numerous places in the world where this phenomenon occurs regularly, particularly where the Trade Winds are prevalent. These not only include the Canary Islands, but also Madeira Island, the Cape Verde Islands, as well as Guadalupe and Socorro Islands west of Baja California and the Juan Fernandez Islands off the Chilean coast. They have also been spotted in the Greenland Sea, in the Arctic, and even next to a tropical storm. The world’s largest von Kármán vortices tend to form near the Hallasan Volcano on Jeju Island, off the coast of South Korea. More: go.usa.gov/xdPKt |
Date | |
Source | Von Kármán Vortices Make Swirling Cloud Patterns off Canary Islands |
Author | NOAA Satellites |
Licensing
[edit]This image was originally posted to Flickr by NOAASatellites at https://flickr.com/photos/125201706@N06/49561706258. It was reviewed on 23 August 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
23 August 2022
Public domainPublic domainfalsefalse |
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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current | 03:24, 23 August 2022 | 1,920 × 1,080 (2.06 MB) | A1Cafel (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Orientation | Normal |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop 21.1 (Windows) |
File change date and time | 10:56, 20 February 2020 |
Color space | Uncalibrated |
Date and time of digitizing | 17:01, 19 September 2017 |
Date metadata was last modified | 05:56, 20 February 2020 |
Unique ID of original document | xmp.did:f6bf2c45-0a85-419d-806c-f4a4e334427f |