What are the 3 stages of ENSO?
The three phases of the El Niño–Southern Oscillation (ENSO)
- The neutral phase.
- El Niño.
- La Niña.
What is the difference between El Niño and ENSO?
During ENSO neutral conditions, surface trade winds blow westward across the equatorial Pacific Ocean. Blowing against the ocean’s surface, these winds result in a westward current. During El Niño conditions, the usually present east to west winds weaken and an anomalous west to east flow develops.
What is the difference between El Nino and La Nina weather patterns?
El Niño refers to the above-average sea-surface temperatures that periodically develop across the east-central equatorial Pacific. La Niña refers to the periodic cooling of sea-surface temperatures across the east-central equatorial Pacific. It represents the cold phase of the ENSO cycle.
What is ENSO neutral?
ENSO-neutral refers to those periods when neither El Ni o nor La Ni a is present. These periods often coincide with the transition between El Ni o and La Ni a events.
What is the current status of ENSO?
CURRENT STATUS: La Niña—the cool phase of the El Niño-Southern Oscillation climate pattern—had a firm grip on the tropical Pacific in November. There’s a 95 percent chance it will last through Northern Hemisphere winter.
What is the relationship between La Niña and El Nino?
Little boy and little girl, El Niño and La Niña, are the ocean’s children. They’re part of the overall ENSO cycle, the El Niño-Southern Oscillation cycle. The El Niño part of the cycle is the unusual warming of the eastern Pacific Ocean and La Niña is the opposite – the unusual cooling of this part of the Pacific.
What is Elnino Upsc?
El Niño–Southern Oscillation (ENSO) is an irregularly periodic variation in winds and sea surface temperatures over the tropical eastern Pacific Ocean. Every three to seven years, the surface waters across tropical Pacific Ocean warm or cool by 1°C to 3°C, compared to normal.
What is opposite El Niño?
El Niño and La Niña are opposite phases of a natural climate pattern across the tropical Pacific Ocean that swings back and forth every 3-7 years on average. Together, they are called ENSO (pronounced “en-so”), which is short for El Niño-Southern Oscillation.
What is the opposite of La Niña?
El Niño events are associated with a warming of the central and eastern tropical Pacific, while La Niña events are the reverse, with a sustained cooling of these same areas. These changes in the Pacific Ocean and its overlying atmosphere occur in a cycle known as the El Niño–Southern Oscillation (ENSO).
What is the opposite of El Niño?
Is El Nino a weather or phenomenon?
El Niño: A Global Weather Phenomenon In the context of climate and weather, the name El Niño originally referred to the warm ocean current that appears along the pacific coast of South America each year around Christmas.
What does El Nino come mean in Spanish?
Not just ‘the Nino’ (in Spanish it actually means ‘the boy child’) El Nino is a phase of ENSO – the El Nino Southern Oscillation. In an El Nino situation, trade winds reverse in the equatorial Pacific and start blowing west to east.
What do the terms El Nino and La nina mean?
El Niño means The Little Boy or Christ child in Spanish. This name was used for the tendency of the phenomenon to arrive around Christmas. La Niña means The Little Girl. La Niña is also sometimes referred to as “an ENSO cold event”.
What does ‘El Nino’ mean?
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.