How are the weather forecast colors sorted by grades?

The new version of meteorological disaster warning signal is generally divided into four levels (IV, III, II and I), which respectively represent general, serious, serious and particularly serious. Early warning signals are composed of names, icons, standards and defense guidelines, which are divided into typhoon, rainstorm, blizzard, cold wave, gale, sandstorm, high temperature, drought, lightning, hail, frost, fog, haze, road icing and so on.

At the same time, it is marked in Chinese and English, which is consistent with all emergency treatment levels and colors in the country. The black warning signal of typhoon rainstorm and cold wave has become history, and red is the highest level.

Extended data:

Provisions on requirements related to meteorological disaster early warning signals:

1, the state encourages relevant scientific research units, academic groups and individuals to study and discuss weather forecasting techniques and methods. Their conclusions and opinions on development and forecasting can be provided to local meteorological stations or published at weather forecasting seminars and other professional meetings sponsored by meteorological stations at all levels, but they shall not be publicly released in any form.

2. Short-term weather forecasts and severe weather warnings made by meteorological stations at all levels under the jurisdiction of the State Meteorological Administration can be released to the public. Long-term weather forecast is only for internal reference of people's governments at all levels, flood control and drought relief headquarters and relevant units, and is generally not published or reported publicly.

3. If it is necessary to publish or report publicly because of disaster prevention decision-making, it shall be approved by the State Meteorological Administration or the meteorological bureaus of relevant provinces (autonomous regions and municipalities directly under the Central Government).

Baidu Encyclopedia-Meteorological Disaster Warning Signal