What are the methods of early prediction and early warning of forest fires in China?

The methods of forest fire early prediction and early warning in China can be divided into three forms: fire weather forecast, forest fire occurrence forecast and fire behavior forecast.

Fire weather forecast: This forecast only predicts the dryness and wetness of the weather and the weather conditions that are easy to catch fire, and does not necessarily lead to fire. Because the fire source is not included, only the possibility of fire caused by weather conditions is predicted.

Forest fire forecast: This forecast comprehensively considers the change of weather conditions, the degree of dryness and wetness of combustible materials and the types and characteristics of forest combustible materials. Once a fire breaks out, the spreading speed, energy release, fire intensity and so on can be predicted. ?

Development of forest fire prediction and early warning

With the development of science and technology, satellite remote sensing technology is more and more widely used in forest fire monitoring. Forest fire satellite monitoring has the advantages of wide range, high time frequency and high precision, which can be used for early detection of forest fires and continuous tracking and monitoring of the development and spread of major forest fires.

At present, the main means of forest fire early warning and forecasting are rough statistics of fire area, estimation of fire loss, monitoring of ground vegetation restoration, prediction of forest fire risk grade and macro monitoring of forest resources.

Forest fire prediction is to analyze and predict the burning risk of forest combustible materials by comprehensively utilizing meteorological, topographic and combustible factors. The occurrence of forest fires is closely related to the weather. Under the condition that combustible materials and fire sources remain unchanged, weather is the primary factor to determine whether forest fires occur or not.