What is the color level of weather warning?

(1) blue rainstorm warning signal: 12 hours, the rainfall will reach more than 50 mm, or it has reached more than 50 mm and the rainfall may continue.

(2) Warning signal of blue blizzard: 12 hours, the snowfall will reach more than 4 mm, or it has reached more than 4 mm and the snowfall continues, which may have an impact on traffic or agriculture and animal husbandry.

(3) Typhoon blue warning signal: it may or may have been affected by tropical cyclones within 24 hours, and the average coastal or land wind force is above 6, or the gust is above 8 and may continue.

(4) Blue warning signal of thunderstorm and gale: it may be affected by thunderstorm and gale within 6 hours, and the average wind force can reach above 6, or the gust is above 7 accompanied by lightning; Or have been affected by thunderstorms and strong winds, with an average wind force of 6-7, or gusts of 7-8 accompanied by lightning, and may continue.

(5) Blue rainstorm warning signal: 12 hours, the rainfall will reach more than 50 mm, or it has reached more than 50 mm and the rainfall may continue.

(6) Frost blue warning signal: within 48 hours, the ground minimum temperature will drop below 0℃, which will have an impact on agriculture, or it has already dropped below 0℃, which has already had an impact on agriculture and may continue.

2. Yellow warning

(1) yellow rainstorm warning signal: within 6 hours, the rainfall will reach more than 50 mm, or it has reached more than 50 mm and the rainfall may continue.

(2) Warning signal of yellow blizzard: 12 hours, the snowfall will reach more than 6 mm, or it has reached more than 6 mm and the snowfall continues, which may have an impact on traffic or agriculture and animal husbandry.

(3) Yellow warning signal of ozone: In the next 4 hours, ozone with an hourly average concentration greater than 100ppb may appear, or ozone with an hourly concentration greater than 100ppb has already appeared and may continue.

(4) Yellow warning of forest fire danger: moderate danger, combustible materials in the forest are easy to burn, and forest fires are prone to occur.

(5) Yellow warning signal of blizzard:/kloc-snowfall may occur within 0/2 hours, which may have an impact on traffic or agriculture.

(6) Haze yellow warning signal: Haze with visibility less than 3,000 meters may appear within 12 hours, or haze with visibility less than 3,000 meters has already appeared and may continue.

(7) Yellow warning signal of typhoon: it may or may have been affected by tropical cyclones within 24 hours, and the average wind force along the coast or land is above 8, or the gust is above 10 and may continue.

(8) Yellow warning signal of thunderstorm and gale: it may be affected by thunderstorm and gale within 6 hours, and the average wind force can reach above 8, or the gust is above 9 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, orange warning

(1) rainstorm orange warning signal: within 3 hours, the rainfall will reach more than 50 mm, or it has reached more than 50 mm and the rainfall may continue.

(2) Snowstorm orange warning signal: The snowfall will reach more than10mm within 6 hours, or it has reached more than10mm and the snowfall continues, which may or has already caused a great impact on traffic or agriculture and animal husbandry.

(3) Hail orange warning signal: Hail may occur with lightning within 6 hours, which may cause hail disaster.

(4) Orange warning signal of ozone: ozone concentration exceeds 120ppb.

(5) Orange warning of forest fire: highly dangerous, combustible materials in the forest are easy to burn, and forest fires are prone to occur, and the fire spreads quickly.

(6) Snow disaster orange warning signal: within 6 hours, there may be snowfall that has a great impact on traffic or agriculture, or there has been snowfall that has a great impact on traffic or agriculture and may continue.

(7) Haze orange warning signal: Haze with visibility less than 2,000 meters may appear within 6 hours, or haze with visibility less than 2,000 meters has already appeared and may continue.

(8) Typhoon orange warning signal: it may be or has been affected by tropical cyclones within 12 hours, and the average coastal or land wind force is above 10, or the gust is above 12 and may continue.

() Orange warning signal of thunderstorm and gale: it may be affected by thunderstorm and gale within 6 hours, and the average wind force can reach above 8, or the gust is above 9 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.

4. Red warning

(1) rainstorm red warning signal: within 3 hours, the rainfall will reach 100 mm or above, or it has reached 100 mm and the rainfall may continue.

(2) Warning signal of red blizzard: within 6 hours, the snowfall will reach 15 mm or above, or it has reached 15 mm and the snowfall continues, which may or has already caused a great impact on traffic or agriculture and animal husbandry.

(3) Red Hail Warning Signal: It is more likely that there will be hail with lightning weather within 2 hours, which may cause a large hail disaster.

(4) Red warning of forest fire danger: extremely dangerous, combustible materials in the forest are extremely easy to burn, and forest fires are prone to occur, and the fire spreads very fast.

(5) Blizzard in red warning signal: There may be snowfall that has a great impact on traffic or agriculture within 2 hours, or there has been snowfall that has a great impact on traffic or agriculture and may continue.

(6) Hazy red warning signal: the visibility is less than 5000m, and the concentration of PM2.5 is more than 500μ g/m3.

(7) Typhoon red warning signal: It may be or has been affected by tropical cyclones within 6 hours, and the average wind force along the coast or land reaches more than 12, or the gust reaches more than 14, and may continue.

(8) Thunderstorm and Gale red warning signal: It may be affected by thunderstorm and gale within 2 hours, and the average wind force may be above 10, or the gust 1 1 above, 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.