What does 50% snowfall mean?

The probability that 50% snowfall is snowfall is 50%.

If it is raining or snowing, the percentage number next to the raindrop or snowflake icon represents the probability of rain or snow. If the weather is sunny or cloudy, there is no such percentage. Probabilistic weather forecast not only reflects the certainty of weather change, but also reflects the uncertainty and uncertainty degree of weather change. Usually, this forecasting form can better meet the decision-making needs in economic and social activities.

Snowfall refers to the depth of snow converted into the same amount of water, which can be converted into the thickness of snow according to the ratio of 1: 15. In this way, the snowfall of 97.7mm is about 1.5m thick snow.

Like rainfall, it refers to the amount of snowfall in a certain period of time. There are different standards for 24 hours and 12 hours, and there are also similar levels of precipitation. Generally, the standard of 24-hour snowfall is adopted.