What is the use of the TFT weather anchor umbrella?

It can determine the weather of the game, and different weather conditions bring benefits to teammates. After checking the official website of the "Team Tactics" game, we learned that the Weather Anchor Umbrella is a passive skill that can determine the weather of the game. Different weather conditions bring benefits to teammates. "Teamfight Tactics" is a turn-based strategy game mode in the game "League of Legends".