Category: Definitions

Scientists discover new link to El Niño

January 31, 2018 Variations in Arctic stratospheric ozone can affect the tropospheric climate at middle-to-high latitudes in the Northern Hemisphere and all the way down to the tropics, according to researchers in China. The result suggests a key stepping stone in the known connection between Arctic stratospheric ozone and […]

Understanding the El Niño Costero of 2017: The Definition Problem and Challenges of Climate Forecasting and Disaster Responses

Ivan J. Ramírez, Fernando Briones 13 December 2017 Abstract This preliminary study examines the definition problem and challenges of climate forecasting and disaster responses associated with the El Niño costero (coastal) of 2017, which developed rapidly with no warning and had catastrophic effects in Peru. Such a localized El Niño was not […]

El Niño Southern Oscillation (ENSO) Cycles

El Niño Southern Oscillation (ENSO) El Niño and La Niña are officially defined as sustained sea surface temperature anomalies of magnitude greater than 0.5°C across the central tropical Pacific Ocean. When the condition is met for a period of less than five months, it is classified as El […]