unprecedented twin haboobs 4

https://getunprecedentedtwininsight.evergrovio.com/posts/when-the-sky-turned-brown-lessons-from-phoenix-s-unprecedented-twin-haboobs

I was watching the horizon when two massive walls of dust, unprecedented twin haboobs, rolled in from opposite directions and collided over the desert, turning day into an eerie, reddish twilight for nearly an hour.