寒波

1. Origins, structure, and basic meaning

• Structure: 寒波 is read as かんぱ and is a weather noun for a mass of unusually cold air producing severe cold across an area for a period.
• Basic usage: Use 寒波に備える for preparing for it and 寒波で雪に閉ざされる for a result caused by it.

2. Common pitfalls and similar expressions

• Cold day and weather event
  • It describes a regional cold wave or cold snap, not merely any single day that feels chilly.
• Particles for preparation and cause
  • に marks what people prepare for, while で marks the cold wave as the cause of the village becoming snowbound.