Search Results - "Balmaseda, Magdalena A"

The new eddy-permitting ORAP5 ocean reanalysis: description, evaluation and uncertainties in climate signals by Zuo, Hao, Balmaseda, Magdalena A., Mogensen, Kristian

“…A new eddy-permitting ocean reanalysis has been recently completed at ECMWF. It is called Ocean ReAnalysis Pilot 5 (ORAP5), and it spans the period 1979–2012…”
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Distinctive climate signals in reanalysis of global ocean heat content by Balmaseda, Magdalena A., Trenberth, Kevin E., Källén, Erland

“…The elusive nature of the post‐2004 upper ocean warming has exposed uncertainties in the ocean's role in the Earth's energy budget and transient climate…”
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Earth’s Energy Imbalance by Trenberth, Kevin E., Fasullo, John T., Balmaseda, Magdalena A.

“…Climate change from increased greenhouse gases arises from a global energy imbalance at the top of the atmosphere (TOA). TOA measurements of radiation from…”
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SEAS5: the new ECMWF seasonal forecast system by Johnson, Stephanie J, Stockdale, Timothy N, Ferranti, Laura, Balmaseda, Magdalena A, Molteni, Franco, Magnusson, Linus, Tietsche, Steffen, Decremer, Damien, Weisheimer, Antje, Balsamo, Gianpaolo, Keeley, Sarah P. E, Mogensen, Kristian, Zuo, Hao, Monge-Sanz, Beatriz M

“…In this paper we describe SEAS5, ECMWF's fifth generation seasonal forecast system, which became operational in November 2017. Compared to its predecessor,…”
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Multi-year predictability of climate, drought, and wildfire in southwestern North America by Chikamoto, Yoshimitsu, Timmermann, Axel, Widlansky, Matthew J., Balmaseda, Magdalena A., Stott, Lowell

“…Past severe droughts over North America have led to massive water shortages and increases in wildfire frequency. Triggering sources for multi-year droughts in…”
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The added value of the multi-system spread information for ocean heat content and steric sea level investigations in the CMEMS GREP ensemble reanalysis product by Storto, Andrea, Masina, Simona, Simoncelli, Simona, Iovino, Doroteaciro, Cipollone, Andrea, Drevillon, Marie, Drillet, Yann, von Schuckman, Karina, Parent, Laurent, Garric, Gilles, Greiner, Eric, Desportes, Charles, Zuo, Hao, Balmaseda, Magdalena A., Peterson, K. Andrew

“…Since 2016, the Copernicus Marine Environment Monitoring Service (CMEMS) has produced and disseminated an ensemble of four global ocean reanalyses produced at…”
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The role of off-equatorial surface temperature anomalies in the 2014 El Niño prediction by Zhu, Jieshun, Kumar, Arun, Huang, Bohua, Balmaseda, Magdalena A., Hu, Zeng-Zhen, Marx, Lawrence, Kinter III, James L.

“…The 2014 El Niño, anticipated to be a strong event in early 2014, turned out to be fairly weak. In early 2014, the tropical Pacific exhibited persistent…”
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A Drift-Free Decadal Climate Prediction System for the Community Earth System Model by Chikamoto, Yoshimitsu, Timmermann, Axel, Widlansky, Matthew J., Zhang, Shaoqing, Balmaseda, Magdalena A.

“…Performance of a newly developed decadal climate prediction system is examined using the low-resolution Community Earth System Model (CESM). To identify key…”
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Arctic sea ice in the global eddy-permitting ocean reanalysis ORAP5 by Tietsche, Steffen, Balmaseda, Magdalena A., Zuo, Hao, Mogensen, Kristian

“…We discuss the state of Arctic sea ice in the global eddy-permitting ocean reanalysis Ocean ReAnalysis Pilot 5 (ORAP5). Among other innovations, ORAP5 now…”
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Impact of 2007 and 2008 Arctic ice anomalies on the atmospheric circulation: Implications for long‐range predictions by Balmaseda, Magdalena A., Ferranti, Laura, Molteni, Franco, Palmer, Tim N.

“…The impact on the atmospheric circulation of the unprecedented Arctic sea‐ice anomalies during the summers 2007 and 2008 is evaluated using the atmospheric…”
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ECMWF seasonal forecast system 3 and its prediction of sea surface temperature by Stockdale, Timothy N., Anderson, David L. T., Balmaseda, Magdalena A., Doblas-Reyes, Francisco, Ferranti, Laura, Mogensen, Kristian, Palmer, Timothy N., Molteni, Franco, Vitart, Frederic

“…The latest operational version of the ECMWF seasonal forecasting system is described. It shows noticeably improved skill for sea surface temperature (SST)…”
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Predictability of the mid-latitude Atlantic meridional overturning circulation in a multi-model system by Pohlmann, Holger, Smith, Doug M., Balmaseda, Magdalena A., Keenlyside, Noel S., Masina, Simona, Matei, Daniela, Müller, Wolfgang A., Rogel, Philippe

“…Assessing the skill of the Atlantic meridional overturning circulation (AMOC) in decadal hindcasts (i.e. retrospective predictions) is hampered by a lack of…”
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A Comparative Analysis of Upper-Ocean Heat Content Variability from an Ensemble of Operational Ocean Reanalyses by Xue, Yan, Balmaseda, Magdalena A., Boyer, Tim, Ferry, Nicolas, Good, Simon, Ishikawa, Ichiro, Kumar, Arun, Rienecker, Michele, Rosati, Anthony J., Yin, Yonghong

“…Ocean heat content (HC) is one of the key indicators of climate variability and also provides ocean memory critical for seasonal and decadal predictions. The…”
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Predicting El Niño in 2014 and 2015 by Ineson, Sarah, Balmaseda, Magdalena A., Davey, Michael K., Decremer, Damien, Dunstone, Nick J., Gordon, Margaret, Ren, Hong-Li, Scaife, Adam A., Weisheimer, Antje

“…Early in 2014 several forecast systems were suggesting a strong 1997/98-like El Niño event for the following northern hemisphere winter 2014/15. However the…”
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Ocean Reanalyses: Recent Advances and Unsolved Challenges by Storto, Andrea, Alvera-Azcárate, Aida, Balmaseda, Magdalena A., Barth, Alexander, Chevallier, Matthieu, Counillon, Francois, Domingues, Catia M., Drevillon, Marie, Drillet, Yann, Forget, Gaël, Garric, Gilles, Haines, Keith, Hernandez, Fabrice, Iovino, Doroteaciro, Jackson, Laura C., Lellouche, Jean-Michel, Masina, Simona, Mayer, Michael, Oke, Peter R., Penny, Stephen G., Peterson, K. Andrew, Yang, Chunxue, Zuo, Hao

“…Ocean reanalyses combine ocean models, atmospheric forcing fluxes, and observations using data assimilation to give a four-dimensional description of the…”
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Improved capabilities of global ocean reanalyses for analysing sea level variability near the Atlantic and Gulf of Mexico Coastal U.S by Feng, Xue, Widlansky, Matthew J., Balmaseda, Magdalena A., Zuo, Hao, Spillman, Claire M., Smith, Grant, Long, Xiaoyu, Thompson, Philip, Kumar, Arun, Dusek, Gregory, Sweet, William

“…Realistic representation of monthly sea level anomalies in coastal regions has been a challenge for global ocean reanalyses. This is especially the case in…”
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Climate drift of AMOC, North Atlantic salinity and arctic sea ice in CFSv2 decadal predictions by Huang, Bohua, Zhu, Jieshun, Marx, Lawrence, Wu, Xingren, Kumar, Arun, Hu, Zeng-Zhen, Balmaseda, Magdalena A., Zhang, Shaoqing, Lu, Jian, Schneider, Edwin K., Kinter III, James L.

“…There are potential advantages to extending operational seasonal forecast models to predict decadal variability but major efforts are required to assess the…”
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A surface layer variance heat budget for ENSO by Boucharel, Julien, Timmermann, Axel, Santoso, Agus, England, Matthew H., Jin, Fei-Fei, Balmaseda, Magdalena A.

“…Characteristics of the El Niño–Southern Oscillation (ENSO), such as frequency, propagation, spatial extent, and amplitude, strongly depend on the…”
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Quantifying the Benefits of Altimetry Assimilation in Seasonal Forecasts of the Upper Ocean by Widlansky, Matthew J., Long, Xiaoyu, Balmaseda, Magdalena A., Spillman, Claire M., Smith, Grant, Zuo, Hao, Yin, Yonghong, Alves, Oscar, Kumar, Arun

“…Satellite altimetry measurements of sea surface height provide near‐global ocean state observations on sub‐monthly time scales, which are not always utilized…”
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Sources of MJO teleconnection errors in the ECMWF extended‐range forecasts by Vitart, Frédéric, Balmaseda, Magdalena A.

“…The European Centre for Medium‐range Weather Forecasts (ECMWF) extended‐range forecasts display large errors in the representations of Madden–Julian…”
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