weathersystem
nounUK /ˈwɛðə ˈsɪstəm/
US /ˈwɛðər ˈsɪstəm/
A weather system is a big group of clouds, wind, and rain that moves together across the sky.
A large weather system brought rain to the whole town.
OTHER MEANINGS
2. A set of connected tools and computers used to watch and predict the weather.
The scientists used a weather system to track the hurricane.
3. The way weather usually works in a certain place over time.
The island has a warm weather system all year.
4. A group of apps or machines that report weather information.
Our school's weather system sends alerts when it rains.