long duration haboob 6

https://getduststormfootprintguide.clearhavendigest.com/posts/a-dust-storm-footprint-what-phoenix-homeowners-learned-from-two-rare-haboobs

A long duration haboob is a massive sand and dust storm that can persist for hours, turning day into night as it rolls across arid landscapes. I remember one that started as a distant wall of dust and just kept coming, coating everything in fine grit long after the wind finally died down.