A bit of post hint.fm streamline history:

It can be sourced back to Cameron Beccario's project getting some exposure in late 2013 after launch as open source. https://github.com/cambecc/earth

It's cited as direct motivation by windy: https://community.windy.com/topic/4/about-windy

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For the record: windy, launched as windity in late 2014, this was 1 1/2 years before ventusky:

"ventusky is owned by InMeteo, built to compete with windyty, which was originally a copy of my site's open source repo"

"if you're curious: http://hint.fm/wind launched Mar? 2012, e.n.n Dec 2013, windyty Nov 2014, and ventusky Jul 2016"

https://twitter.com/cambecc/status/784448346471530496

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I also recommend his talks at "The Graphical Web" 2014: https://www.youtube.com/watch?v=QXNODLWhSbw

and openvis 2015: https://www.youtube.com/watch?v=OLSmNZm1e0k