long duration haboob

https://page-wiki.win/index.php/The_Hidden_Danger_of_Roof_Dust_Buildup_After_a_Phoenix_Haboob

A long duration haboob is a massive wall of dust that can roll across the desert for hours, turning day into an eerie twilight. I've seen them in Arizona, where the dust plume rises thousands of feet and lingers, coating everything in a fine red grit long after the wind dies down.