This is the 9479th most frequent Polish word.
wetterdienst
The word "wetterdienst" is not Polish; it is German and means "weather service" in English.
Here, 'Wetterdienst' is used as a general term for a meteorological service, indicating the organization that provides weather-related information.
Niemiecki wetterdienst przez cały rok dostarcza prognozy pogody.
The German weather service provides weather forecasts throughout the year.
In this sentence, 'Wetterdienst' is used to imply the entity responsible for forecasting weather events and advising about storms.
Jeśli wetterdienst przewidzi burzę, lepiej zostać w domu.
If the weather service predicts a storm, it is better to stay at home.
Here, 'Wetterdienst' is referred to as a source for obtaining weather information to plan activities or trips accordingly.