How does El Nino affect climate?
3 min read
Asked by: Hannah Porter
El Niño causes the Pacific jet stream to move south and spread further east. During winter, this leads to wetter conditions than usual in the Southern U.S. and warmer and drier conditions in the North. El Niño also has a strong effect on marine life off the Pacific coast.
How does El Niño affect climate quizlet?
The increase or decrease of what makes it warmer or colder. El Nino Southern Oscillation, trade winds weaken & warm surface water moves toward South America. Diminished fisheries off South America, drought in western Pacific, increased precipitation in southwestern North America, fewer Atlantic hurricanes.
Does El Niño cause warming or cooling?
Trade winds and atmosphere are also impacted by El Niño. El Niño is a climate pattern that describes the unusual warming of surface waters in the eastern tropical Pacific Ocean. El Nino is the “warm phase” of a larger phenomenon called the El Nino-Southern Oscillation (ENSO).
What are 3 effects of El Niño?
Severe drought and associated food insecurity, flooding, rains, and temperature rises due to El Niño are causing a wide range of health problems, including disease outbreaks, malnutrition, heat stress and respiratory diseases.
Does El Niño affect climate or weather?
U.S. Impacts
El Niño is anchored in the tropical Pacific, but it affects climate “downstream” in the United States. In the spring, El Niño and La Niña can affect severe weather.
What does El Niño mean for weather?
The term El Niño (Spanish for ‘the Christ Child’) refers to a warming of the ocean surface, or above-average sea surface temperatures, in the central and eastern tropical Pacific Ocean.
What causes El Niño?
El Niño occurs when warm water builds up along the equator in the eastern Pacific. The warm ocean surface warms the atmosphere, which allows moisture-rich air to rise and develop into rainstorms. The clearest example of El Niño in this series of images is 1997.
How do El Nino and La Nina affect climate change?
El Niño impacts weather systems around the globe, triggering predictable disruptions in temperature, rainfall and winds. La Niña is the opposite – a cooling phase of ENSO that tends to have global climate impacts opposite to those of El Niño.
Does El Niño cause drought?
During El Niño episodes the normal patterns of tropical precipitation and atmospheric circulation are disrupted, hence triggering extreme climate events around the globe: droughts, floods and affecting the intensity and frequency of hurricanes.
What effect do El Nino and La Nina have on climate?
In general, El Niño conditions lead to wetter, snowier conditions in Amarillo and cooler maximum temperatures during the winter. La Niña conditions lead to drier and warmer temperatures overall, with notable extreme cold spells. In stronger El Niño or La Niña episodes, these trends are even greater.
Is El Niño wet or dry?
Weather typically differs markedly from north to south during an El Niño event (wet in south, dry in north) but also usually varies greatly within one region from event to event.
