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Climatological Large-Scale Circulation Patterns over The Middle Americas Region

Climate Perspectives in the Intra–Americas Seas

Atmospheric, Oceanic and Planetary Physics Department & Climate System Observation Laboratory, School of Physics, University of Costa Rica, San José 11501, Costa Rica
Center for Geophysical Research, University of Costa Rica, San José 11501, Costa Rica
Environmental Physics Laboratory (EPhysLab), CIM–UVigo, Universidade de Vigo, 32004 Ourense, Spain
Instituto Dom Luiz, Faculdade de Ciências, Universidade de Lisboa, 1749–016 Campo Grande, Portugal
Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico
Author to whom correspondence should be addressed.
Atmosphere 2020, 11(9), 959;
Received: 20 July 2020 / Revised: 25 August 2020 / Accepted: 1 September 2020 / Published: 9 September 2020
(This article belongs to the Special Issue Central America and Caribbean Hydrometeorology and Hydroclimate)
The Intra–Americas Seas region is known for its relevance to air–sea interaction processes, the contrast between large water masses and a relatively small continental area, and the occurrence of extreme events. The differing weather systems and the influence of variability at different spatio–temporal scales is a characteristic feature of the region. The impact of hydro–meteorological extreme events has played a huge importance for regional livelihood, having a mostly negative impact on socioeconomics. The frequency and intensity of heavy rainfall events and droughts are often discussed in terms of their impact on economic activities and access to water. Furthermore, future climate projections suggest that warming scenarios are likely to increase the frequency and intensity of extreme events, which poses a major threat to vulnerable communities. In a region where the economy is largely dependent on agriculture and the population is exposed to the impact of extremes, understanding the climate system is key to informed policymaking and management plans. A wealth of knowledge has been published on regional weather and climate, with a majority of studies focusing on specific components of the system. This study aims to provide an integral overview of regional weather and climate suitable for a wider community. Following the presentation of the general features of the region, a large scale is introduced outlining the main structures that affect regional climate. The most relevant climate features are briefly described, focusing on sea surface temperature, low–level circulation, and rainfall patterns. The impact of climate variability at the intra–seasonal, inter–annual, decadal, and multi–decadal scales is discussed. Climate change is considered in the regional context, based on current knowledge for natural and anthropogenic climate change. The present challenges in regional weather and climate studies have also been included in the concluding sections of this review. The overarching aim of this work is to leverage information that may be transferred efficiently to support decision–making processes and provide a solid foundation on regional weather and climate for professionals from different backgrounds. View Full-Text
Keywords: climate change; cyclones; drought; ENSO; IAS; moisture transport; rainfall; SST climate change; cyclones; drought; ENSO; IAS; moisture transport; rainfall; SST
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MDPI and ACS Style

Durán-Quesada, A.M.; Sorí, R.; Ordoñez, P.; Gimeno, L. Climate Perspectives in the Intra–Americas Seas. Atmosphere 2020, 11, 959.

AMA Style

Durán-Quesada AM, Sorí R, Ordoñez P, Gimeno L. Climate Perspectives in the Intra–Americas Seas. Atmosphere. 2020; 11(9):959.

Chicago/Turabian Style

Durán-Quesada, Ana María, Rogert Sorí, Paulina Ordoñez, and Luis Gimeno. 2020. "Climate Perspectives in the Intra–Americas Seas" Atmosphere 11, no. 9: 959.

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