What are the levels of weather warning?

Grade 1 is very unlikely; Level 2 is less likely; Level 3 is more likely; Level 4 is very likely; Level 5 is very likely; 2. The rainfall data table causing geological disasters is Grade 3, which is the level of concern in the forecast (rainstorm: 38.0-74.9mm); Level 4, which is an early warning level in the forecast (rainstorm: 50.0-99.9mm, easy to cause geological disasters); Level 5, the warning level in the forecast (rainstorm: 100-250 mm); 1-2 level, notify the land and resources department; 3-5. The County Bureau of Land and Resources shall, jointly with the County Meteorological Bureau, put forward short-term forecast and imminent disaster forecast, which shall be reported to the county government and announced to the public, and the responsible persons and supervisors shall be notified step by step according to the county, township, village and hidden danger points. Three. Classification standard of rainfall: (based on 24 hours) 1, heavy rain: 25.0-49.9mm2, rainstorm: 38.0-74.9mm3, rainstorm: 50.0-99.9mm4, rainstorm: 100-250. 250mm description: the warning signals of disastrous weather are divided into eleven categories: typhoon, rainstorm, high temperature, cold wave, fog, thunderstorm and gale, gale, sandstorm, hail, blizzard and road icing. Early warning signals are generally divided into four levels. According to the severity and urgency of disasters, the colors are divided into blue, yellow, orange and red. At the same time, it is marked in Chinese and English, representing general, heavy, serious and particularly serious respectively, and is equipped with a general disaster prevention guide. According to the provisions of the Meteorological Law of People's Republic of China (PRC), the meteorological offices and stations subordinate to the competent meteorological departments at or above the county level uniformly issue early warning signals within the scope of responsibility of this forecast service. No organization or individual may disseminate to the public the forecast and early warning information provided by meteorological stations other than the competent meteorological departments. There are no black ones, only four colors: blue, yellow, orange and red.