What are the main weather and climate disasters on the earth?
Dragon Boat Water In 2000, the weather in Dragon Boat Water was very different. There was "Dragon Boat Water" weather in Zengcheng 10 day, with a total rainfall of 277.4 mm. During this period, there were heavy rains and heavy rains, which had a great impact on the heading and flowering of early rice. Guangzhou and Conghua experienced "Dragon Boat Water" weather for 5-6 days respectively, with total rainfall of 103.6 mm and 136.0 mm respectively, during which heavy rain occurred, which had a certain impact on heading and flowering of early rice. There is no "dragon boat water" weather in other areas.
The main characteristics of tropical cyclones are as follows: the total number of tropical cyclones numbered by the National Meteorological Center (23) is 5 less than the multi-year average; The number of tropical cyclones landing in Guangdong (3) is 2 less than the multi-year average. Maria Maria 00 13 is the only tropical cyclone that landed on the coast of Guangdong. It landed on the coast between Huidong County and Haifeng County in Guangdong Province on September 1 0, with the maximum wind force in the center 10 and the wind speed reaching 25 meters per second. "Maria" caused serious losses to the landing area, but had little impact on Guangzhou. The other two tropical depressions landed in Hong Kong on June 18, respectively, and on the coast of Taishan City, Guangdong Province on July 14, respectively, which had little impact on Guangzhou.
Rainstorm means that the number of annual rainstorms is more than normal, and it appears later. In June+10, 5438, there were two heavy rains in Guangzhou, which is rare in history. The annual rainstorm frequency in the city is 8 ~ 13. Among them, Huadu 13 times, the most in the city; Conghua 8 times, the least in the city; 9 times in other places ~ 1 1 time. Heavy rains mainly occur from April to August, especially in April and July. There were five heavy rains in Huadu in April and July, with an average of six days of heavy rain, which is rare in history. There were 6 heavy rainstorms with daily rainfall ≥ 100 mm, including 3 in Guangzhou, Panyu, Huadu and Zengcheng 1. Heavy rain has a certain impact on agricultural production. From April 13 to April 15, heavy rain fell in Panyu. /kloc-in the early morning of 0/5, a landslide occurred in Fogang Mountain, Dagang Village, Tanzhou Town, Panyu, causing houses to collapse, 45 people were injured and 3 people were seriously injured.
The hail occurred on the night of April, 2008 1. Thunderstorm and hail weather occurred in Huadu from northwest to southeast. Thunderstorms and strong winds mainly hit Shiling, Furong, Xinhua, Huashan, East China and Chini towns. Heavy rain or rainstorm occurred in the above areas, and was attacked by hail with a diameter of 5 cm ~ 10 cm. Rice, vegetables, flowers and fruit trees suffered serious losses, and some houses were damaged.
"Cold dew wind" and "first frost wind" are the "cold dew wind" weather in the whole city for 3 ~ 5 days during the year, with short duration and small cooling range, which has little effect on heading and flowering of late rice. 165438+1October1~13 and 17 ~ 20, respectively, there were seven days of "first frost wind" in Guangzhou, Huadu and Conghua. From 1 1 to 13, there were three days of "first frost wind" weather in Panyu, which had a negative impact on the filling and fruiting of late rice.
Drought means that the total annual rainfall in all parts of the city is close to normal, but due to the uneven distribution of precipitation in each month, there is a short-term drought in spring, autumn and winter. In February and March, there was a spring drought in Guangzhou, Panyu and Huadu for about 28 days, which had a certain impact on the germination and emergence of spring-sown crops in dry land. From September of 10 to early of 10, autumn drought occurred in Guangzhou, Panyu, Huadu and Conghua for about 30 days. The autumn harvest crops in dry land are as follows.
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