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Why does El Nino cause extreme weather such as tornadoes in the United States and Mexico? What effect will El Nino have?
A rare tornado ravaged the northern Mexican border city of acuna on the 25th, killing at least 13 people, injuring hundreds and damaging 1500 houses in six seconds.

The southern United States also suffered from extreme weather that day, and at least 2,000 people in Texas were displaced. The deadly heat wave swept through India in the past few days, causing more than 1 100 people to die of heat. According to reports from Wall Street, an El Ni? o phenomenon, which may be the strongest ever, is taking shape.

A rare tornado ravaged Mexico for six seconds, killing at least 13 people.

A tornado hit acuna, Abela, in north-central Mexico on the morning of 25th. The maximum wind speed of this tornado reached 270 km to 300 km per hour. In just 6 seconds, at least 13 people died, hundreds were injured, and 1500 houses were damaged.

The local government has set up several temporary resettlement sites to resettle the victims; The local hospital has treated at least 229 wounded people.

A spokesperson for the Mexican National Weather Service said that this was the biggest tornado that Mexico had encountered in at least 15 years.

Flood victims in the southern United States were swept away together in their houses.

Texas and Oklahoma in the southern United States have recently been hit by a storm that is rare in history, causing 19 deaths and 30 missing.

According to local media reports on the afternoon of 26th, many areas have been hit by storms recently. Floods caused by heavy rain destroyed houses, cut off road traffic and water and electricity supply, and made thousands of people homeless. 5500 houses were seriously damaged, and the authorities warned that there would be more trouble because many places were impassable.

The high temperature in India has caused 1 100 deaths, and it will rain next week.

According to foreign media reports, the Indian authorities said on the 27th that more than 1 100 people have died in the deadly heat wave that swept the country. The weather forecast warns that the heat will continue.

In New Delhi, roads melted in the heat. The weather forecast warns that the high temperature is expected to last until next week. There are signs that there will be rain, so the high temperature will obviously ease from June 2.

Super El Nino

El Nino refers to the large-scale abnormal warming of seawater in the equatorial waters of the Pacific Ocean. Axel Timmerman of the University of Hawaii in the United States believes that this time it is likely to be a "super El Nino". "This time, the seabed water temperature is very high, which will not only move eastward but also reach the sea surface."

Timmerman said that the current climate model analysis in the United States shows that the intensity of this El Ni? o may be equivalent to the last El Ni? o from 1997 to 1998.

Phenomenon and influence

1. In Asia and East Africa, the weather will be very hot. India is particularly affected by extreme weather. The rainy season is very important for Indian agriculture. Half of India's farmland lacks irrigation, and the output of these farmland accounts for 14% of India's economy.

In America, the climate will be wetter. Precipitation in the southern United States and South America may surge. At present, Texas and Oklahoma in the southern United States have been hit by rare storms recently, and many areas have become "water country".

In West Africa, the weather will be very dry.

4. In Europe and Britain, the impact of El Nino events is still unclear.

In Australia, rainfall will drop sharply. At present, there have been some early El Ni? o phenomena along the eastern coast of Australia: there is less precipitation in the rainy season in Queensland, Australia, and the autumn climate in Victoria is dry.

6. In China, El Nino will make the rain belt move south, leading to drought in the north, flooding in the south, and extreme high temperature in the north.

Affected by the extreme weather in India, Brazil and West Africa, the production of sugar and cocoa will decrease, leading to an increase in the price of chocolate. El Nino will increase the cost of coffee, rice and soybeans, reduce production and palm oil production.