Special Issue "Multi-Year ENSO Events: Dynamics, Predictability, Teleconnections, and Impacts"

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Climatology".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1587

Special Issue Editor

The International Research Institute for Climate and Society, Climate School at Columbia University, Lamont Campus, 61 Route 9W, Monell Building, Room 119, Palisades, NY 10964, USA
Interests: El Niño – Southern Oscillation (ENSO) dynamics and predictions; ENSO teleconnections; climate prediction from weeks to years; variability and predictability of the global monsoons and its relation to sea surface temperatures; regional climate variability and change; ENSO in warming climate; global ocean interactions

Special Issue Information

Dear Colleagues,

A multi-year La Niña, a cold phase of ENSO (El Niño Southern Oscillation), which began in the second half of 2020 is still ongoing. It is predicted that this La Niña event will last until the boreal winter of 2022-23 (as of August 2022), making it the first triple-dip event of the 21st century. Double-dipping is quite common, but three consecutive winters of La Niña are quite unusual. As ENSO is a major contributor to global climate variability from year to year, extreme climate events, which affect water resources, agricultural products, energy, food supply chains, transportation, and tourism among others, have a serious impact on the socio-economic world at large. Based on decades of research, Global ENSO forecasting capabilities are currently capable of forecasting ENSO several months in advance, with sufficient skill, however, gaps remain in our knowledge about ENSO, specifically with respect to the multi-year ENSO events.

This Special Issue entitled “Multi-year ENSO Events: Dynamics, Predictability, Teleconnections, and Impacts” seeks papers that provide further insight into the physical aspects of multi-year ENSO events, including the feedback processes, the role of the deep ocean, the atmosphere, the interactions between long-lasting ENSO events and other ocean basins like Indian and Atlantic Oceans, the predictability of multi-year events, and teleconnections. In this call, we are specifically looking for papers describing and highlighting how such long-lasting events could impact regional climates around the globe.

Dr. Muhammad Azhar Ehsan
Guest Editor

Manuscript Submission Information

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  • multi-Year ENSO events
  • Double-Dip El Nino and La Nina
  • Triple-Dipping
  • Predictability
  • Teleconnections
  • Seasonal Forecast

Published Papers (1 paper)

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17 pages, 3408 KiB  
Manifestations of Different El Niño Types in the Dynamics of the Extratropical Stratosphere
Atmosphere 2022, 13(12), 2111; https://doi.org/10.3390/atmos13122111 - 16 Dec 2022
Cited by 1 | Viewed by 836
The behavior of planetary waves and their influence on the global circulation of the Northern Hemisphere during different El Niño types is studied. Three sets of five boreal winters were chosen for each El Niño type: Modoki I and II and canonical El [...] Read more.
The behavior of planetary waves and their influence on the global circulation of the Northern Hemisphere during different El Niño types is studied. Three sets of five boreal winters were chosen for each El Niño type: Modoki I and II and canonical El Niño. Based on data of the Japanese 55-year Reanalysis and the Modern-Era Retrospective Analysis for Research and Applications, the spatio-temporal structure of planetary waves and the residual mean circulation were analyzed. The results show that the canonical El Niño type is characterized by the weakest wave activity in March. It is also demonstrated that warming of the polar stratosphere, accompanied by maximizing wave activity and weakening of the zonal wind, may lead to earlier stratospheric polar vortex collapse and the early spring transition under Modoki I conditions. This study is the next step in understanding of the so-called long-range teleconnections, consisting of the propagation of a signal from the tropical El Niño Southern Oscillation source into the polar stratosphere. Full article
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