Internet Traffic Report From Ohio To ELPALLSKY:

Oxford, Ohio arrived from google.com on "elp allsky" by searching for sky just lit up green. 
Columbus, Ohio arrived from google.com on "elp allsky:" by searching for bright blue light flashing in the sky 2011 ohio.
18:07:16 -- 4 hours 42 mins ago 
New York arrived from google.com on "elp allsky" by searching for columbus ohio "green light in the sky".

Note From ELPALLSKY...Cold front just went through Oxford, OH producing convection (thunderstorms) which is likely the cause of sky illumination. Will wait for other reports.