Warm Ocean Water and World Weather

A2

Warm Ocean Water and World Weather

Introduction

Weather experts see a change in the ocean. This is called El Niño. It will likely start between May and July this year.

Main Body

El Niño happens when ocean water in the Pacific becomes warm. This changes the weather in many countries. Experts from the US, Japan, and China say this will happen soon. Some places will be very dry. India and Southeast Asia will have more heat and less rain. Australia will also be hot and dry. This is bad for plants. Other places will have more rain. The US and South America will see more water. This can help some crops grow, but too much rain can hurt them. Farmers may have problems. Some farmers cannot buy expensive plant food. Dry weather and floods can destroy food like sugar and corn.

Conclusion

El Niño changes rain and heat around the world. This is a risk for food and farming in many countries.

Vocabulary Learning

dry (adj.)
arid / without water干燥
Example:The dry soil needs more water.
food (n.)
nutrition / things you eat to stay healthy食物
Example:She bought fresh food at the market.
heat (n.)
warmth / high temperature高溫
Example:The heat in the desert is intense.
rain (n.)
precipitation / water falling from clouds雨水
Example:It rained all afternoon.
water (n.)
H2O / liquid that covers the earth
Example:We need water to drink.

Sentence Learning

This can help some crops grow, but too much rain can hurt them.
Connector: The word 'but' shows a contrast between two ideas.連接詞: 'but' 表示兩個想法之間的對比。
El Niño happens when ocean water in the Pacific becomes warm.
Time: The word 'when' introduces a time clause that tells when something happens.時間: 'when' 用於引入時間子句,說明何時發生。
Experts from the US, Japan, and China say this will happen soon.
Prepositional Phrase: The phrase 'from the US, Japan, and China' tells where the experts are.介系詞片語: 'from the US, Japan, and China' 說明專家來自哪裡。
El Niño changes rain and heat around the world.
Connector: The word 'and' links two nouns that are affected.連接詞: 'and' 將兩個受影響的名詞連接起來。
It will likely start between May and July this year.
Time: The phrase 'between ... and' shows a time period.時間: 'between ... and' 表示一段時間範圍。
B2

Predicted El Niño Conditions and Their Global Weather Impacts

Introduction

Weather organizations are monitoring the likely development of an El Niño event. This phenomenon is expected to begin between May and July of this year and could continue to strengthen through late 2026.

Main Body

El Niño occurs when trade winds in the tropical Pacific weaken or reverse, causing warm surface waters to move eastward. The World Meteorological Organization (WMO) and agencies from Japan, China, and the U.S. report a high probability of this change. For instance, the U.S. Climate Prediction Center estimates a 61% chance of it starting between May and July, while Japan's weather bureau suggests a 70% likelihood during the northern summer. Regional forecasts show different results. Asia, particularly India and Southeast Asia, is expected to face drier conditions and higher temperatures, with Indian officials warning of lower-than-average monsoon rains. In contrast, North and South America are projected to see more rain. In the U.S., this could help crops grow in the Midwest, although too much rain during the harvest remains a concern. In Europe, increased summer rainfall might help corn production, whereas wheat harvests should be finished before the event peaks. In Australia, the Bureau of Meteorology predicts lower rainfall and higher temperatures for eastern farming regions from May to August. Experts emphasize that the strength of El Niño does not always directly determine the severity of local droughts. Furthermore, cooling temperatures in the Indian Ocean may further reduce the chance of rain. Analysts also warn that these weather changes, combined with high fertilizer costs due to geopolitical instability, could lead to significant crop losses. Past events in 1997-1998 and 2015-2016 caused major drops in grain and oil production in Asia and flooding in South American soybean fields.

Conclusion

Global weather agencies agree that El Niño is likely to occur. This will change precipitation and temperature patterns worldwide, creating both risks and opportunities for the international agricultural sector.

Vocabulary Learning

instability (n.)
lack of stability, frequent changes不穩定
Example:High fertilizer costs due to geopolitical instability could lead to significant crop losses.
monitoring (v.)
keep track of / watch closely監測、監視
Example:Weather organizations are monitoring the likely development of an El Niño event.
precipitation (n.)
rain, snow, or other water falling from the sky降水
Example:El Niño will change precipitation and temperature patterns worldwide.
probability (n.)
chance that something will happen可能性
Example:The U.S. Climate Prediction Center estimates a 61% probability of it starting between May and July.
severity (n.)
seriousness of a situation嚴重程度
Example:The strength of El Niño does not always directly determine the severity of local droughts.

Sentence Learning

Experts emphasize that the strength of El Niño does not always directly determine the severity of local droughts.
Relative Clause: The clause "that the strength of El Niño does not always directly determine the severity of local droughts" adds essential information about the strength of El Niño.關係子句: 這個子句「that the strength of El Niño does not always directly determine the severity of local droughts」為強化對 El Niño 強度的說明,提供必要的補充資訊。
In the U.S., this could help crops grow in the Midwest, although too much rain during the harvest remains a concern.
Contrast (although): The word "although" introduces a contrast between the potential benefit for crops and the concern of excessive rain.對比(although): 「although」引入對比,說明雖然可能對作物有利,但過量雨水仍是擔憂。
In Europe, increased summer rainfall might help corn production, whereas wheat harvests should be finished before the event peaks.
Contrast (whereas): The word "whereas" sets up a comparison between increased rainfall helping corn and the need to finish wheat harvests before the event peaks.對比(whereas): 「whereas」用於比較,說明在夏季降雨有利於玉米,但小麥收成必須在 El Niño 高峰前完成。
Analysts also warn that these weather changes, combined with high fertilizer costs due to geopolitical instability, could lead to significant crop losses.
Complex Clause (combined with): The phrase "combined with" links high fertilizer costs to the risk of crop losses, showing cause and effect.複合子句(combined with): 「combined with」將高肥料成本與作物損失風險連結,顯示因果關係。
C2

Projected Emergence of El Niño Conditions and Associated Global Meteorological Impacts

Introduction

Meteorological organizations are monitoring the probable development of an El Niño event, anticipated to manifest between May and July of the current year, with potential intensification through late 2026.

Main Body

The El Niño phenomenon is characterized by a reduction or reversal of easterly trade winds in the tropical Pacific, resulting in the eastward migration of warm surface waters. The World Meteorological Organization (WMO) and various national agencies, including those in Japan, China, and the United States, report a high probability of this transition. Specifically, the U.S. Climate Prediction Center estimates a 61% probability of onset between May and July, while Japan's weather bureau suggests a 70% likelihood during the northern hemisphere summer. Regional projections indicate divergent climatic outcomes. Asia, specifically India and Southeast Asia, is expected to experience increased aridity and higher temperatures, with Indian authorities noting a potential for below-average monsoon rainfall. Conversely, North and South America are projected to experience increased precipitation. In the United States, this may facilitate favorable growing conditions in the Midwest, although excessive moisture during the harvest period remains a variable of concern. In Europe, increased summer rainfall could benefit corn production, though wheat harvests are expected to be largely complete prior to the event's peak. Within Australia, the Bureau of Meteorology forecasts below-median rainfall and above-average maximum temperatures for eastern cropping regions from May to August. Climatologists note that the impact on Australian precipitation is often most pronounced in June, July, October, and November. While some models suggest a strong event, the Bureau emphasizes that the magnitude of the phenomenon does not always correlate linearly with the severity of local rainfall deficits. Furthermore, the influence of cooling ocean temperatures in the Indian Ocean may further reduce precipitation probabilities. From an analytical perspective, the intersection of climatic volatility and economic pressures may exacerbate agricultural yield losses. Analysts suggest that high fertilizer costs, potentially influenced by geopolitical instability in the Middle East, may discourage farmers from applying nutrients to crops already stressed by drought. Historically, strong El Niño events, such as those in 1997-1998 and 2015-2016, have resulted in significant reductions in the production of grain, sugar, and palm oil in Asia, while simultaneously disrupting soybean and corn harvests in South America due to flooding.

Conclusion

Global weather agencies are aligned on the likely onset of El Niño, which is expected to redistribute global precipitation and temperature patterns, posing varying degrees of risk and opportunity for international agricultural sectors.

Vocabulary Learning

aridity (n.)
aridity / the state of being dry or lacking moisture乾燥;乾旱
Example:The region experienced extreme aridity, making it difficult for crops to survive.
divergent (adj.)
divergent / tending to differ or deviate分歧的;不同的
Example:The climate projections for Asia and the Americas are divergent, reflecting differing atmospheric patterns.
exacerbate (v.)
exacerbate / to make a problem worse使惡化
Example:The rising temperatures exacerbate the already severe drought conditions.
geopolitical (adj.)
geopolitical / relating to politics influenced by geography與地緣政治相關
Example:Geopolitical instability in the Middle East can influence global commodity prices.
redistribute (v.)
redistribute / to distribute again or differently重新分配
Example:El Niño may redistribute rainfall across the globe, affecting agricultural yields.

Sentence Learning

The El Niño phenomenon is characterized by a reduction or reversal of easterly trade winds in the tropical Pacific, resulting in the eastward migration of warm surface waters.
Passive Voice: The sentence uses a passive construction 'is characterized by', placing the action after the subject and using the verb 'be' + past participle, which shifts focus to the phenomenon rather than the agent.被動語態: 本句使用被動結構 'is characterized by' ,把動作放在主語之後並使用動詞 'be' + 過去分詞,將焦點放在現象本身,而非施事者。
Historically, strong El Niño events, such as those in 1997‑1998 and 2015‑2016, have resulted in significant reductions in the production of grain, sugar, and palm oil in Asia, while simultaneously disrupting soybean and corn harvests in South America due to flooding.
Reduced Relative Clause: The phrase 'such as those in 1997‑1998 and 2015‑2016' functions as a reduced relative clause, omitting the relative pronoun 'that' and the verb 'which', yet still providing essential identifying information about the events.簡化相對子句: 片語 'such as those in 1997‑1998 and 2015‑2016' 作為簡化相對子句,省略了關係代詞 'that' 與動詞 'which' ,仍提供關於事件的關鍵識別資訊。
While some models suggest a strong event, the Bureau emphasizes that the magnitude of the phenomenon does not always correlate linearly with the severity of local rainfall deficits.
Concessive Clause: The subordinate clause beginning with 'While' introduces a concession, indicating that despite some models predicting a strong event, the Bureau stresses that the relationship is not straightforward.讓步子句: 從屬子句 'While some models suggest a strong event' 引入讓步,說明儘管一些模型預測強烈事件,局機關仍強調兩者關係並非直線。
In Europe, increased summer rainfall could benefit corn production, though wheat harvests are expected to be largely complete prior to the event's peak.
Modal Conditional: The modal verb 'could' expresses a conditional possibility, suggesting that increased rainfall has the potential to benefit corn, but the outcome is uncertain.情態條件式: 情態動詞 'could' 表示條件可能性,暗示增加降雨可能有利於玉米產量,但結果尚不確定。
The World Meteorological Organization (WMO) and various national agencies, including those in Japan, China, and the United States, report a high probability of this transition.
Nominalization: The noun 'probability' turns the idea of likelihood into a noun, allowing the sentence to discuss the concept abstractly.名詞化: 名詞 'probability' 將可能性概念名詞化,使句子能以抽象方式討論此概念。
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