Blue in rainy days; Orange; What does the red alert stand for?

1, meaning of yellow rainstorm warning signal: there may be local rainstorm within 6 hours, or heavy precipitation may continue.

2. The meaning of orange rainstorm warning signal: In the past three hours, the local rainfall has reached more than 50 mm, and the rainfall may continue.

3. The meaning of heavy rain in red warning signal: In the past three hours, the local rainfall has reached more than 100 mm, and the rainfall may continue.

Second, thunderstorms and strong winds.

1, blue warning signal of thunderstorm and gale meaning: it may be affected by thunderstorm and gale within 6 hours, and the average wind force may reach above 6, or the gust is above 7 accompanied by lightning; Or it has been affected by thunderstorms and strong winds, and the average wind force has reached 6-7, or the gust is 7-8 accompanied by lightning, and may continue.

2. The meaning of the yellow warning signal of thunderstorm and gale: it may be affected by thunderstorm and gale within 6 hours, and the average wind force may reach 8 or above, or the gust is 9 or above accompanied by strong lightning; Or have been affected by thunderstorms and strong winds, with an average wind force of 8-9, or a gust of 9- 10 accompanied by strong lightning, and may continue.

3. The meaning of orange warning signal of thunderstorm and gale: it may be affected by thunderstorm and gale within 2 hours, and the average wind force is above 10 or gust 1 1 0, accompanied by strong lightning; Or have been affected by thunderstorms and strong winds, the average wind force 10- 1 1, or gust112 accompanied by strong lightning, and may continue.

4. red warning signal meaning of thunderstorm and gale: it may be affected by thunderstorm and gale within 2 hours, and the average wind power can reach more than 12 with strong lightning; Or it has been affected by thunderstorms and strong winds, and the average wind force is above 12 with strong lightning, and it may continue.

Extended data

Classification of meteorological disasters

According to the degree of harm, urgency and development trend that meteorological disasters may cause, the levels of meteorological disaster warning signals are generally divided into four levels: IV (general), III (heavier), II (serious) and I (particularly serious), which are indicated by blue, yellow, orange and red in turn and marked in Chinese and English.

The warning signals of typhoon, rainstorm, blizzard, cold wave and gale are divided into four levels, which are represented by blue, yellow, orange and red respectively. The high temperature warning signal is divided into three levels, which are represented by yellow, orange and red respectively.

Baidu Encyclopedia-Orange Warning Signal