saatto
Rain arriving in a sudden, sweeping curtain that moves across the landscape. A dramatic onset of rainfall.
💡Used for sudden rain sweeping across a field, a squall arriving, or rain that starts without warning.
山の向こうからさぁっと雨が近づいてきた。
Rain came sweeping in from beyond the mountains.
___ the rain swept across the valley toward us.
谷の向こうから___と雨が近づいてきた。