1.
cold wave, cold snap
A sudden arrival of cold air that brings a sharp drop in temperature. A meteorological term commonly used in weather forecasts and news reports.
強い寒波が来る。
A strong cold wave is coming.
寒波の影響で水道管が凍結した。
The water pipes froze due to the cold wave.
今年は数年に一度の大寒波で、各地で記録的な大雪になった。
This year brought a once-in-several-years major cold wave, with record-breaking heavy snowfall across the country.
USAGE:
寒波 is a standard meteorological term used frequently in weather forecasts and news during winter. It describes a large-scale inflow of cold air, typically from Siberia in the case of Japan.
COLLOCATIONS:
- 大寒波 — major cold wave
- 寒波が来る/襲う — a cold wave arrives/hits
- 寒波の影響で — due to the cold wave
- 記録的な寒波 — record-breaking cold wave
NOTE:
The opposite phenomenon is 熱波 (heat wave).