12 what is the gust intensity of thunderstorm?

12 thunderstorm gust is a gust with precipitation greater than 20mm within 12 hours, and its intensity is strong lightning.

12 gale has reached typhoon level, and 12 gale is also called hurricane, with wind speed of 1 18 km/h to 133 km/h, which is a rare hurricane on land and extremely destructive. If it happens at sea, it will cause storm surge. 12 thunderstorm gust, that is, gust with precipitation greater than 20mm within 12 hours, is a strong lightning intensity.

Intuitively speaking, the wind speed of 12 is 32.7 meters per second to 36.9 meters per second, which is equivalent to the normal speed of an express train. It can blow away cars and break trees on the road, which is extremely destructive. 12 wind energy can increase water in coastal waters, and the maximum water increase can reach 3 meters. When crossing the border, it often brings stormy weather, which raises huge waves on the sea and seriously threatens the safety of navigation. After landing, heavy rain and rising water may destroy crops and various building facilities, resulting in huge loss of life and property.

Thunderstorm and gale warning signal level

1, blue warning signal of thunderstorm and gale

Standard: It may be affected by thunderstorms and strong winds within 6 hours, with an average wind force of above 6, or a gust of 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.

2, thunderstorm gale yellow warning signal

Standard: It may be affected by thunderstorms and strong winds within 6 hours, with an average wind force of 8 or above, or a gust of 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, thunderstorm gale orange warning signal

Standard: It may be affected by thunderstorm and strong wind within 2 hours, and the average wind power 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.

4. Thunderstorm and gale red warning signal

Standard: It may be affected by thunderstorms and strong winds 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.

Baidu Encyclopedia-Meteorological Disaster Warning Signal