Three hours ago:
https://www.facebook.com/SkySight.io/posts/1284166468358445

Perlan 2 is climbing in strong wave near El Calafate! Is today the
day for the record? SkySight.io is predicting wave extending past 60,000ft at
strengths greater than 1000fpm.

Https://SkySight.io/ is proud
to be providing our weather forecasting services to Perlan, which has brought us
some unique and exciting challenges testing the limits of our models. You can
see same wave forecast in Argentina as we provide to Perlan on SkySight.io.

http://perlanproject.cloud/VirtualCockpit.html

Perlan2 is returning to airport, pilots Jim Payne and Miguel
Iturmendi wrapping up today's flight as wave diminished over 30,000 feet.