Break 40 ° C in many places, what is the development trend?How does it affect summer harvest summer species?Expert interpretation

According to the news of the WeChat public account of China Meteorological Administration on June 16, it is said that people's sadness and joy are not connected. Right now, in stark comparison with the heavy rainfall in the south is the new round of high -temperature weather in the north "debut" again! The highest temperature in some areas has reached 40 ° C or more, and the strongest high temperature process has continued to "online" since the next week.

National High temperature and heat stroke meteorological forecast map (June 17th to 20th)

This year's first high temperature and heat stroke meteorological level forecast. It is expected to be during the day on the 17th, southern Hebei, Henan, western and southern Shanshan, central Jiangsu, northwestern Hubei, central Shaanxi, central Inner Mongolia, northern Ningxia, Turpan Basin, Xinjiang Heat stroke. Among them, heatstroke is prone to occur in parts of the central and northern parts of Henan and east, southwestern Shandong, and Turpan Basin in Xinjiang.

What is the reason for this round of high temperature? What is the future development trend? In response to these issues, the reporter interviewed meteorological experts from the four provinces of Henan, Inner Mongolia, Hebei, and Ningxia, which was highly affected by high temperatures to see the local situation together.

Interview expert:

Ru Tan, chief forecast at Henan Meteorological Observatory

Yu Weidong, chief engineer of the Institute of Meteorological Sciences, Henan Province

Wang Fuxia, chief forecast at Hebei Meteorological Observatory

Zhang Guilian, senior engineer and chief forecast of the Meteorological Observatory of Inner Mongolia Autonomous Region

Zhang Chengjun, chief forecast at Ningxia Meteorological Observatory

Chief Expert of Ningxia Meteorological Institute of Meteorological Sciences Himelin

Wang Jianying, Chief Expert of Ningxia Meteorological Service Center

Wang Suyan, chief forecast at Ningxia Climate Center

What is the development trend of a new round of high -temperature weather?

Which regions will it affect?

What is the cause?

Henan

At 16:00 today, the live temperature rankings released by the Central Meteorological Observatory occupied 9 of Henan.

Experts remind that the high -temperature weather in Henan has a wide range of high -temperature weather, long duration, and strong intensity. Beginning on June 14, high temperature weather from 37 to 39 ° C in central and southwestern Henan began to appear. On the 15th, the high temperature zone rapidly expanded to Huanghuai in the province, and the intensity increased significantly. weather.

On the 16th, the highest temperature in most parts of the province was above 37 ° C, and the temperature in many places exceeded 40 ° C. It is expected that the maximum temperature of most of the province will be above 37 ° C before the 22nd, and some counties and cities in the north can reach 40 to 42 ° C.

The cause of local high -temperature weather is mainly affected by the low pressure of ground heating. Most of the Henan is mainly sunny and hot and rainy weather. During the day, the sun is affected by short waves of radiation in the sun, and the dry atmosphere is conducive to the gradual increase in the ground temperature. At the same time, the high -altitude and high -pressure ridge control area prevails to sink the air, forming a certain sinking temperature increase effect. Under the comprehensive effect of radiating mild and sinking temperature, it will lead to the emergence of high temperature weather.

Most of the Huaihe River in the province appears high temperature above 37 ° C. Among them, Anyang, Jiaozuo, Xinxiang, Zhengzhou, Luoyang, Kaifeng, Xuchang, Shangqiu, Zhoukou, Luohe, Pingdingshan, Nanyang and other places have a total of 52 counties and cities (44%) the highest temperature It reaches 40 to 42 ° C, up to 42.0 ° C in Linzhou. Wu Gang 40.9 ° C and the mall 37.6 ° C. On the 16th, the highest temperature exceeded the extreme value of the same period in June.

Inner Mongolia

Affected by the high -altitude warm ridge and ground heat and low pressure, 5 days for 5 consecutive days from June 16th to 20th, most of the western and western parts of the central part of Inner Mongolia will usher in high temperature weather above 35 ° C for the first time this year.

Among them, most of the highest temperatures in the west of Inner Mongolia will reach 37 ° C and above, and some areas exceed 40 ° C; from the 20th to 21st, the high temperature in the western part of the western part of Inner Mongolia will gradually weaken and disappear. The west and central extension.

This time, the continuous high temperature in western and western parts of Inner Mongolia is obviously higher than the highest temperature in the same period in June in history, and there may be extreme high temperature weather.

Hebei

Wang Fuxia, chief forecast at Hebei Meteorological Observatory, analyzed that this high temperature weather in Hebei Province was mainly concentrated in the central and southern parts, which was caused by the control of the heating group. Due to high temperature weather in Henan Province, under the influence of the south wind, it has caused continuous high temperature in Hebei Province. Among them, the highest can reach 40 ° C in the southeast of Hebei Province.

The high temperature process starts from the 16th, and it is expected to last until the 20th. The main feature is large scope, strong intensity, and long duration.

Picture source:@图片 weather

Ningxia

Zhang Chengjun, chief forecaster of Ningxia Meteorological Observatory, analyzed that the high temperature process from Ningxia began on June 15th. It is expected to reach the strongest stage of this high temperature weather from 16th to 17th, and it will gradually weaken from 18th to 19th.

The main cause of the formation of high -temperature weather is that Ningxia was controlled by high -pressure ridges and ground heat and low pressure center, and at the same time, it was affected by the southern heating flow transportation, and the altitude of the Sichuan District was low.

Wang Suyan, chief forecast at Ningxia Climate Center, analyzed that as of 16:00 on June 16th, charcoal wells (35.3 ° C), Shizuishan (38.4 ° C), Huinong (36.7 ° C), Helan (38.4 ° C), Ping Luo (36.4 ° C) Five national stations have the highest temperature value since the record of the 5 national stations. Among them, the two countries of Shizuishan and Helan are the second high value in Ningxia history in June.

In addition, the high temperature process lasts for a long time. If it lasts until the 19th, it will become the second long value in June in local history. (First length: June 16 to 22, 2005, last 7 days)

What does this high temperature process affect the summer harvest and summer species and all walks of life?

Henan's continuous high -temperature weather may have a certain impact on residents' health, agricultural production, energy supply, etc. It may further develop the current drought. Agricultural production needs to be replenished in a timely manner. At the same time, high -temperature weather may have an impact on the normal emergence of corn seedlings, reducing the optical clip rate of crop blades.

In response to the high temperature process, the meteorological departments at all levels in the province strictly monitor the weather changes. Henan Meteorological Observatory issued a high -temperature orange warning on June 14. The city and county meteorological department issued a total of 289 high -temperature warning signals, including 89 high -temperature red warning signals. Remind relevant departments to take heatstroke and cooling measures to ensure production, fire, hygiene and safety, and urban water supply and power supply, and remind the public to pay attention to heatstroke and cool down.

Inner Mongolia

Because from spring to mid -June this year, the precipitation in the central and western regions of Inner Mongolia is scarce, the number of winds is large, and there are more sand and dust in the north of the central and western regions. The soil is poor and the drought is serious. The continuous drought in the early spring and early summer has seriously affected the growth of pastoral grass, and the livestock such as cattle and sheep has seriously lost their crickets, and the growth and development of crops have also been seriously affected.

This continuous high temperature weather will exacerbate the development of drought, further affect the normal growth of pasture, livestock products and crops, and will adversely affect residents' travel, outdoor operations, urban operations, and human health. The public needs to take measures to deal with high temperature weather, and pay attention to the latest high -temperature forecast early warning information in a timely manner.

Hebei

At present, Hebei is in the winter wheat harvesting period. High -temperature weather is conducive to promoting the maturity of wheat, good weather, and good benefit of wheat harvesting. For autumn grain sowing, it can be sowed and then watered. Field operators pay attention to preventing heatstroke and cooling measures to prevent high temperature and heat stroke.

Ningxia

Ma Liwen, chief expert of the Institute of Meteorological Sciences of Ningxia, analyzed that Ningxia's corn is currently in the seven -leaf period, wheat is in the critical period of grouting, and soybeans are in the branching period. They are key periods of water demand. The continuous high temperature and dry weather will increase the harm of wheat aphids, corn leaf mites, cotton bell bug, etc. high -temperature weather can lead to increased risk of dried wheat heat and wind, and even high temperatures and risk, which is not good for wheat grouting. In addition, high temperature weather leads to the concentration of irrigation water. Further increase the pressure of irrigation in various places.

Wang Jianying, chief expert of Ningxia Meteorological Service Center, analyzed that high -temperature weather will cause increased electricity load, but it is also conducive to photovoltaic power generation. Under high temperature weather, forest fire risk meteorological grades will increase, and it is easy to cause heat stroke and related diseases. It is necessary to pay attention to prevention.

How to deal with high temperatures?

High -temperature weather is likely to cause heat stroke. Elderly children and weak constitutions need to pay attention to prevention. The public should try to avoid outdoor activities during the high temperature period in the afternoon. Epidemic prevention personnel must also pay attention to heatstroke preparations;

Relevant departments should pay attention to preventing fires due to the large load of electric equipment such as electric wires and transformers; operators in outdoor or under high temperature conditions should take necessary protective measures.

(China Meteorological News)

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