Triangle Shaped Clouds Move Over San Antonio

• When: Possibly as long ago as March or as recently as January 2015
• Where: San Antonio
• What: Two triangle-shaped cloud formations moving against other clouds

A pretty clear video of two triangle-shaped whispy clouds zooming through the daytime sky has surfaced on YouTube (it's a secondhand report unfortunately). The problem is, none of the other clouds move behind these:

Zoomed in:

Full video:

Cloaked crafts? Natural sky phenomenon? Anyone out there a weather nerd - what are these clouds?

If you know what these clouds are all about, or you think these are true-blue UFOs, share your thoughts in the comments or on the Facebook page.

Have you seen UFOs like these in Texas recently? Report your sighting!