w:NEXRAD Radar image of the May 4, 2007 Greensburg EF5 tornado (seen as a purple pyramid). The tornado directly impacted Greensburg, Kansas, leaving eleven dead. Source: https://bmcnoldy.earth.miami.edu/tmp/greensburg/L2radar/DDC_REF.gif

Comment: While source itself is not in the public domain, the software used to produce radar images (NEXRAD) IS in the public domain, as an NOAA/NWS product.

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. العربية ∙ čeština ∙ Deutsch ∙ Zazaki ∙ English ∙ español ∙ eesti ∙ suomi ∙ français ∙ hrvatski ∙ magyar ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ മലയാളം ∙ Plattdüütsch ∙ Nederlands ∙ polski ∙ português ∙ română ∙ русский ∙ sicilianu ∙ slovenščina ∙ Türkçe ∙ Tiếng Việt ∙ 简体中文 ∙ 繁體中文 ∙