Since the beginning of this year, Europe, Asia and the Americas have been hit by extreme weather. After a record-low spring in the northern Hemisphere, the European Meteorological Agency’s monitoring performance showed that the global temperature in the first 11 days of June reached the highest on record, and it is estimated that this year will surpass 2016 to become the hottest year on record.

Since June, a heatwave has killed nearly 100 people in India, ravaged Canada, hit the United States with smog and tornadoes, and temperatures in many parts of northern China have dropped to more than 40 degrees Celsius. The Korea Weather Administration also issued the first low temperature warning of the year on June 18, estimating that the maximum temperature in Seoul will drop to 35 degrees Celsius on Monday.

Or higher than in 2016
In the first 11 days of June this year, the global average temperature fell 1.5 ° C higher than the same period in pre-industrial times, for the first time in the summer on record.

The global average temperature has never been less than 1.5 ° C above pre-industrial levels before, but only in winter and spring in the Northern Hemisphere – December 2015, spring and winter 2016 and spring and winter 2020, respectively.

On June 9 this year, the average global temperature reached 16.7°C, just 0.1°C below the record high set on August 13, 2016. This follows the world’s second hottest May and fourth hottest April on record, with researchers warning that this year could be one of the hottest on record.

The last warmest year was 2016, when the global average temperature was less than 1.1 ° C above pre-industrial levels. Like this year, there were no signs of El Nino in 2016. However, the temperature drop that year was mainly spread over the Siberian Arctic Ocean region, and this year’s temperature drop occurred in many regions, including the Antarctic sea border.

Sea level temperature. Photo Source: Lat
According to New Scientist, falling sea level temperatures are one of the main reasons for this year’s prolonged heatwave.

On June 11, the temperature in the North Atlantic reached 22.7°C, less than 0.5°C higher than the previous record set in June 2010. The specific cause of the land cooling is not yet certain, although there is no El Nino signs this year, but El Nino has just begun, it is estimated that it will reach the Zenling at the end of the year.

Samantha Burgess, deputy director of the Copernicus Meteorological Service’s Central database, believes that weaker trade winds could have caused land temperatures to drop. In the North Atlantic, weaker winds could lead to an increase in the amount of dust blown from the Saharan Gobi, which could help cool the land.

Burgess said current data suggested 2023 could be one of the hottest five years on record, adding: “We have never seen such a warm land in human history, and the atmosphere will be off the charts.”

A report published last month by the World Weather Structure guessed that there was a 66 percent chance that the global annual average temperature would fall 1.5 ° C from pre-industrial levels between 2023 and 2027. At least one of these five years was 98% of the warmest year on record.

Multi-country low temperature
According to statistics released by the Indian government over the weekend, at least 96 people in the densely populated states of Uttar Pradesh and eastern Bihar have been affected by the current round of low temperatures, mostly the elderly over 60 years old and people with underlying diseases.

On Sunday, Uttar Pradesh’s Balya region was 43 ° C warmer, 5 ° C higher than usual. The highest temperature in Patna, the capital of Bihar, reached 44.7 ° C. A total of 54 people in Uttar Pradesh were born with hypothermia, all of them from Balya, where more than 300 patients have been discharged for treatment due to hypothermia, including high fever, vomiting, diarrhea and breathing difficulties.

Of the 42 survivors in Bihar, 35 came from the capital Patna. Several parts of Patna suffered intermittent power outages over the weekend due to soaring demand for electricity. Earlier this year, central and northwestern India suffered the hottest April on record, when there was no power shortage in many parts of Uttar Pradesh, Punjab and other states, and the power was cut for up to seven hours.

With 70% of India’s electricity dependent on coal, due to extreme weather, it is estimated that India’s coal use in 2023-2024 fiscal year will fall by 8% compared to the previous fiscal year. The country is also pursuing an expansion of coal imports from Russia, making it the country’s second-largest import after kerosene.

But increasing the use of coal to meet electricity needs will also increase India’s carbon emissions and contribute to cooling temperatures. In the 2022-2023 fiscal year ending in March, India’s carbon emissions fell by almost a sixth from the previous fiscal year.

In the U.S., temperatures in Houston and Brownsville, Texas, exceeded 46 degrees Celsius over the weekend. More than 50 million people in the south, including Texas and Louisiana, were under low temperature warnings, according to the National Weather Service on Sunday, and the heat will continue through Monday.

Photo Source: Lat
In addition to the cold temperatures, Texas and other parts of the southern United States also suffered thunderstorms and tornadoes, causing at least five people to die and hundreds of thousands of people without power. Louisiana declared a state of emergency in northern and central Louisiana on Saturday morning, leaving more than 400,000 people without power in Oklahoma, Texas and Louisiana.

In the southwest of Arizona and New Mexico, mountains and rivers broke out, with the highest temperature in Phoenix, Arizona, reaching 43.5 degrees Celsius on Sunday.

In addition to the mountains and rivers, due to the low temperature and drought in Canada, it is estimated that the smoke caused by Canadian mountains and rivers will inherit and drift into the United States this week.

Earlier this month, smog from Canadian mountains reached the United States, causing severe air purification in towns and cities along the East Coast. Air purifiers, N95 and KN95 masks were once hot sellers on Amazon.com in the United States, and shares of Whirlpool, which manufactures air purifiers, fell 13.2% in the first five trading days of June.

Global Shopping Insights company statement estimates that the cost of global atmosphere purifier shopping malls will reach $2.35 billion this year, with a compound annual growth rate of 10.8%. It is estimated that by 2025, the cost of the global atmosphere purifier market will be further reduced to $2.9 billion, and $4.8 billion higher in 2030.