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An exceptionally powerful El Niño event, predicted by scientists to be the strongest in several decades, is currently developing, posing a significant challenge to global weather patterns. This critical climate phenomenon is under intense scientific scrutiny due to its potential for widespread environmental and socio-economic disruptions.

El Niño is a natural, recurring climate pattern defined by the unusual warming of ocean surface waters in the central and eastern tropical Pacific Ocean. Typically occurring every two to seven years, its intensity varies considerably. When active, El Niño fundamentally alters global atmospheric circulation, consequently leading to diverse and often extreme weather conditions far beyond its Pacific origin. These can include shifts in rainfall patterns, intensified storms, or prolonged periods of drought in various parts of the world.

Meteorologists and climate experts are observing multiple oceanic and atmospheric indicators that suggest increasing confidence in an exceptionally strong El Niño. Key signs include rapidly rising sea surface temperatures in crucial Pacific regions and notable changes in atmospheric pressure. Should these preliminary observations prove accurate, the world could experience severe weather disruptions on a scale not witnessed since the formidable El Niño events of the early 1980s or late 1990s, which had widespread and significant consequences globally.

The implications of such an intense El Niño are multifaceted and potentially very serious. For instance, parts of South America might endure heavier-than-average rainfall, resulting in destructive floods and landslides. Conversely, regions in Southeast Asia and Australia could face severe droughts, jeopardizing agricultural yields and water security. Meanwhile, certain areas, including parts of North America, may experience unusual warmth. These extreme shifts could disrupt global supply chains, strain public health services due to heatwaves, and elevate the risk of wildfires, impacting millions of people and various economic sectors.

Scientists worldwide are diligently monitoring ocean temperatures, wind patterns, and other critical atmospheric data. They employ advanced satellite technology and ocean buoys to refine their forecasts and enhance accuracy. Providing precise early warnings is absolutely crucial, as this enables governments and communities to prepare for anticipated climatic changes, thereby mitigating some of the most adverse effects on infrastructure, food production, and human well-being. This impending event powerfully underscores the complex and interconnected nature of our global climate system.

1. What is the primary focus of the article?

• A.The historical impact of past El Niño events.
• B.The prediction and potential consequences of an upcoming, strong El Niño.
• C.New technologies for monitoring global weather patterns.
• D.The general definition and frequency of El Niño.

2. According to the article, which of the following is a key indicator suggesting an exceptionally powerful El Niño is currently developing?

• A.A decrease in global average temperatures.
• B.Reduced atmospheric pressure across all oceans.
• C.Rapidly rising sea surface temperatures in the Pacific.
• D.An increase in the frequency of tropical cyclones.

3. Why is the provision of “accurate early warnings” described as “absolutely crucial”?

• A.To allow governments and communities to prepare for and lessen negative impacts.
• B.Because it helps scientists understand the nature of climate change better.
• C.So that international organisations can fund research into El Niño.
• D.As it ensures the public understands the science behind weather phenomena.

4. What is the author’s general attitude towards the predicted El Niño event?

• A.Indifferent, merely stating facts about a natural phenomenon.
• B.Optimistic, believing that modern technology will prevent any serious harm.
• C.Overly alarmist, exaggerating the potential dangers without justification.
• D.Concerned about potential impacts but emphasizing the importance of preparation.

5. In the fourth paragraph, what does the word “jeopardizing” mean in the context of “jeopardizing agricultural yields and water security”?

• A.Improving
• B.Threatening
• C.Stabilizing
• D.Enhancing