2015 was a disastrous year for Yemen.

Already the Arabian Peninsula's poorest country, the rise of the Houthi insurgency and Saudi Arabian-led airstrikes intended to oust them from power led to a full-blown humanitarian disaster. And then in November, coastal regions were hit by the most powerful storm in decades, causing displacement and flooding. The UN estimates that by the end of the year, 21.1 million people – 82 percent of the population – were in need of some sort of humanitarian assistance.

Here's a look back at Yemen's awful year, with links to our coverage of the unfolding crisis, especially its impact on civilians:

By Annie Slemrod and edited by Andrew Gully. Cover photo by Almigdad Mojalli