西北风
a wind that comes from the northwest
Strong northwest winds had blown the volcanic ash out to sea and over Europe.
Conditions had been exacerbated by strong northwest winds.
Fortunately, northwest winds had kept the oil slick offshore.
The windsock indicates a northwest wind.
Gusty northwest winds had kept the temperature low all week.
Temperatures will struggle to rise above zero with strong northwest winds making it feel even colder.
See also: northwest adjective adverb