12 12 1 What's the phone number?

12 12 1 is the weather forecast telephone number.

Weather forecast is a pre-estimation and prediction of future weather changes.

The phrase "the weather is unpredictable" fully illustrates the difficulty of weather forecasting. With the development of science and technology, the accuracy of weather forecast is constantly improving. According to the weather forecast, people can arrange production and life in time, so that meteorology can serve the national economic construction and reduce the loss of meteorological disasters.

Weather forecast is to analyze and predict the future weather in a certain area according to the basic theory and technology of atmospheric science, and it is an important means for atmospheric science to serve the national economic construction and people's life.

Accurate and timely weather forecast is beneficial to economic construction and national defense construction. Ensuring the safety of people's lives and property has great social and economic benefits.

The time limit of weather forecast is divided into: short-term weather forecast 1-2 days, medium-term weather forecast 3- 15 days, and long-term weather forecast within 1-6 hours, which is the main method of short-term and imminent weather forecast.

At present, synoptic methods are mainly based on weather maps, supplemented by satellite cloud pictures, radar and other data. Numerical weather forecast is to forecast the weather by solving the forecast equation composed of fluid mechanics, thermodynamics and dynamic meteorology with the computer as a tool. Statistical forecast, using probability theory and mathematical statistics as means to make weather forecast.

The above kinds sometimes cooperate with each other and are comprehensively applied, and computers are widely used as tools.