Loc: Singing Sands
A field of high, crescent-shaped sand dunes spans the area. When the wind blows strongly or when wanderers walk along their ridges, the dunes emit loud booms lasting a turn as the sand cascades down. Repeat for as long as the weather or movement lasts.
Movement is awkward in the sand, slowing travelers by half. The area takes two turns to cross. Further, they must make a DEX save to run without stumbling. During calm weather, roll an encounter to see what comes to investigate the disturbance on the second turn (in addition to any event rolled).