Luoyang is located in the west of Henan Province, between east longitude11.8' and north latitude1/2.59'. The eastern section of the Eurasian Continental Bridge, which spans both sides of the middle reaches of the Yellow River, is "the best in the world" and is known as the "hinterland of Kyushu". Photo reference: imgsrc.baidu/baike/abbic/item/29752a9b052f61A9C9AEF415 Luo Yang, Baiyun Mountain, Songxian County enjoys excellent geographical conditions. Located in the transition zone from the southern edge of the warm temperate zone to the north subtropical zone, it has four distinct seasons and a pleasant climate. The annual average temperature is 14.2℃, and the rainfall is 546 mm. Zhengzhou in the east, Sanmenxia in the west, Jiaozuo across the Yellow River in the north and Pingdingshan and Nanyang in the south. It is about 179 km long from east to west and about 168 km wide from north to south. Luoyang is high in the west and low in the east. The territory is criss-crossed with mountains and hills, and the terrain is complex, in which mountains account for 45.5 1%, hills account for 40.73%, and plains account for 65.438+03.8%. There are many mountains around, such as Yushan, Mangshan, Qingyao, Jingzi, Zhoushan, Sakura, Longmen, Xiangshan, Wanan Mountain, shouyangshan and Songshan. There are many rivers and canals in the territory, belonging to the Yellow River, Huaihe River and Yangtze River. There are more than 10 meandering rivers such as the Yellow River, Luohe River, Yihe River, Qinghe River, Cihe River, Tieluan River, Jianhe River and Chanhe River, which are known as "surrounded by mountains, with six rivers running in parallel, with eight passes in ten provinces and thoroughfares in ten cities". Because Luoyang is located in the Central Plains, with mountains and water, Qinling Mountains in the west and Qinchuan in Guanzhong. East of Song Yue; Risks to the north of Taihang and the Yellow River; Looking at the bulls in the south, Chiba is more than enough, so "the rivers and mountains are crowned, and the situation is the best in the world." In the precipitation season, the precipitation is 88.4 ~ 124.2 mm, and the percentage of precipitation anomaly is between -38% ~- 18%, with less 1 ~ 20% in the north and 30 ~ 40% in the south. Among them, precipitation is mainly concentrated in May. In May, the precipitation in the city was 70.8 ~ 89.9 mm, which was close to normal in the south and about 50% more in the north. During March-April, the precipitation in the whole region is less. The precipitation in March was 5.4 ~ 20.5 mm, 40 ~ 80% less. Luanchuan, which had more rain in previous years, only dropped by 20.5 mm; The precipitation in April is 4.3 ~ 13.9 mm, and the average rainfall in the whole city is only 20% of that in normal years, among which Xin 'an, Jin Meng, Ruyang and Songxian have the least precipitation records in the same period in history, and Yichuan and Luanchuan have the second least in history. In spring, there are seven obvious precipitation processes: March 17 ~ 2 1, April 25 ~ 26, April 30 ~ May 3, May1~12. April 30th to May 3rd is the maximum rainfall program of this season, and the programmed precipitation is 2 1 ~ 3 1mm, followed by May1~12 and May 25 ~ 27. The above three precipitation schemes are effective precipitation schemes this spring, and the precipitation of other schemes does not exceed 60. The longest continuous precipitation process in this season occurs from April 30th to May 3rd. In May 1 1 day, the daily rainfall in Luanchuan was 27.8 mm, which was the largest precipitation in the city in spring. The number of rainy days in seasonal season is ≧0. 1 mm is 13 ~ 25 days, which is 6- 10 days less than that in the same period of last year, among which Luanchuan has the most rainy days in spring. The main drought period in spring occurs from March to the end of April in 1 year, and there is no effective precipitation scheme for two consecutive months, of which March 26th to April 22nd is the longest non-precipitation scheme, during which there is no rainfall in most areas. 3. Sunshine hours: the sunshine hours in this season are 636.7 ~ 742.5 hours.
The percentage of abnormal sunshine is 14 ~ 30%
The sunshine anomaly is 0.8 ~ 1.8. Because there are fewer precipitation days and more sunny days in the city, the sunshine hours are more than normal (Figure 3). In March, the sunshine hours were 197.4 ~ 2 16.7 hours, which was 35-60 hours more than the same period of last year, and the field distribution was relatively uniform. The sunshine hours in April are 208.5 ~ 265.2 hours.
12 ~ more than 44 hours, the sunshine hours in Songxian county rank first in the city with 265.2 hours, and Luanchuan has at least 208.5 hours; The sunshine hours in May are 230.2 ~ 268.6 hours.
All localities are basically the same as normal.
Reference: Heart of Heaven
Yesterday morning, Mr. Zhang of Zhengdong New District sighed. Like Mr. Zhang, he is also happy that the meteorological staff on standby at the artificial precipitation enhancement operation sites in the province in the past two days have been affected by natural precipitation and artificial precipitation enhancement, and the "rain" in the province is unique. According to the rainfall statistics provided by the meteorological department, from 5: 00 on the 7th to yesterday 17: 00, precipitation occurred at 1 17 of the 19 stations in the whole province, with the process rainfall ranging from 0.1~19mm, and the precipitation at 24 stations exceeded/kloc.
Reference: I