Keywords: Atlanta thermal.jpg en wikipedia 2009 February 23 On May 11-12 1997 NASA used a specially outfitted Lear Jet to collect thermal data on metropolitan Atlanta Georgia Nicknamed â  Hot-Lantaâ  by some of its residents the city saw daytime air temperatures of only about 26 7 degrees Celsius 80 degrees Fahrenheit on those days but some of its surface temperatures soared to 47 8 degrees Celsius 118 degrees Fahrenheit In this image blue shows cool temperatures and red shows warm temperatures Pockets of especially hot temperatures appear in white Image courtesy NASA/Goddard Space Flight Center Scientific Visualization Studio Image obtained from http //eobglossary gsfc nasa gov/Study/GreenRoof/index html NASA Earth Observatory webpage -- Ryanjo 00 48 2 August 2006 UTC PD-USGov Original upload log page en wikipedia Atlanta_thermal jpg 2006-08-02 00 48 Ryanjo 540×379× 115133 bytes <nowiki>On May 11-12 1997 NASA used a specially outfitted Lear Jet to collect thermal data on metropolitan Atlanta Georgia Nicknamed â  Hot-Lantaâ  by some of its residents the city saw daytime air temperatures of only about 26 7 degrees Celsius 80 degrees</nowiki> Global warming |