File:Betty19720813.png

Betty19720813.png(278 × 282 pixels, file size: 59 KB, MIME type: image/png)

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Summary

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Description
English: This image of Typhoon Betty is from August 13, 1972
Date
Source 1973 NOAA Technical Memorandum NESS 45 on the Dvorak Tropical Cyclone Strength Estimation Technique
Author Vernon F. Dvorak

Licensing

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Public domain
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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Original upload log

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Date/Time Dimensions User Comment
29 June 2012, 19:35:58 278 × 282 (66563 bytes) Thegreatdr (talk · contribs)

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Date/TimeThumbnailDimensionsUserComment
current04:36, 24 August 2014Thumbnail for version as of 04:36, 24 August 2014278 × 282 (59 KB)GifTagger (talk | contribs)Bot: Converting file to superior PNG file. (Source: Betty19720813.gif). This GIF was problematic due to non-greyscale color table.

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