Alexandre M. Ramos

Postdoctoral Fellow


Instituto Dom Luiz
Faculdade de Ciências, Universidade de Lisboa
Campo Grande, Edf. C8, Piso 3, Sala 8.3.1
1749-016 Lisboa
Phone: +351 217500863

Areas of Scientific activity

Atmospheric sciences, Climatology, climate change, impacts on society, teleconnections patterns, circulation weather types



Russo A., Sousa P.M., Durão R.M. Ramos A.M., Salvador P., Linares C., Diaz J., Trigo R.M. (2020) Saharan dust intrusions in the Iberian Peninsula: Predominant synoptic conditions. Science of the Total Environment, 717, 137041, doi:


Lorente-Plazas R., Montavez J.P., Ramos A.M., Jerez S., Trigo R.M., Jimenez-Guerrero P. (2019) Unusual Atmospheric-River like structres coming from Africa induce extreme precipitation over western Mediterranean Sea. Journal of Geophysical Research: Atmospheres, 125, doi:

Sousa P., Barriopedro D., Ramos A.M., García-Herrera R., Espirito-Santo F., Trigo R.M. (2019) Saharan air intrusions as a relevant mechanism for Iberian heatwaves: The record breaking events of August 2018 and June 2019. Weather and Climate Exetremes, 26, 100224, DOI:

Ramos A.M., Blamey R.C., Algarra I., Nieto R., Gimeno L., Tomé R., Reason C.J., Trigo R.M. (2019) From Amazonia to southern Africa: Atmospheric moisture transport through Low Level Jets and Atmospheric Rivers. Annals of the New York Academy of Sciences, 1436, 217-230,


Ramos AM, Martins MJ, Tomé R, Trigo RM (2018) Extreme Precipitation Events in Summer in the Iberian Peninsula and Its Relationship With Atmospheric Rivers. Front. Earth Sci., 10 August 2018,

Ramos AM, Trigo RM, Tomé R, Liberato MLR (2018) Impacts of Atmospheric Rivers in Extreme Precipitation on the European Macaronesian Islands. Atmosphere 2018, 9, 325,

Blamey RC, Ramos AM, Trigo RM, Tomé R, Reason CJC (2018) The Influence of Atmospheric Rivers over the South Atlantic on Winter Rainfall in South Africa. AMS, JHM January 2018,

Rebelo L, Ramos AM, Pereira S, Trigo RM (2018) Meteorological Driving Mechanisms and Human Impacts of the February 1979 Extreme Hydro-Geomorphological Event in Western Iberia. Water, Volume 10, Issue 4,

Eiras-Barca J, Ramos AM, Pinto JG, Trigo RM, Liberato MLR, Miguez-Macho G (2018) The concurrence of atmospheric rivers and explosive cyclogenesis in the North Atlantic and North Pacific basins. EGU Earth System Dynamics,


Pedro M. Sousa, Ricardo M. Trigo, David Barriopedro, Pedro M. M. Soares, Alexandre M. Ramos, Margarida L. R. Liberato (2017) Responses of European precipitation distributions and regimes to different blocking locations. Clim Dyn, DOI: 10.1007/s00382-016-3132-5

Alexandre M. Ramos, Ricardo M. Trigo, Margarida L. R. Liberato (2017) Ranking of multi-day extreme precipitation events over the Iberian Peninsula. International Journal Climatology(online, 2016). doi:10.1002/joc.4726


Liberato M. L. R., Ramos A. M., Gouveia C. M., Sousa P., Russo A., Trigo R.M., Santo F.E. (2017) Exceptionally extreme drought in Madeira Archipelago in 2012: Vegetation impacts and driving conditions. Agricultural and Forest Meteorology, doi: 10.1016/j.agrformet.2016.08.010

Alexandre M. Ramos, Ricardo Tomé, Ricardo M. Trigo, Margarida L. R. Liberato, Joaquim G. Pinto (2016) Projected changes in atmospheric rivers affecting Europe in CMIP5 models. Geophys. Res. Lett., 43, doi:10.1002/2016GL070634.

Luis Gimeno, Francina Dominguez, Raquel Nieto, Ricardo Trigo, Anita Drumond, Chris J.C. Reason, Andrea S. Taschetto, Alexandre M. Ramos, Ramesh Kumar, Jose Marengo (2016) Major Mechanisms of Atmospheric Moisture Transport and their Role in Extreme Precipitation Events. Annu. Rev. Environ. Resour. 2016. 41:3.1–3.25. doi: 10.1146/annurev-environ-110615-085558

Alexandre M. Ramos, Raquel Nieto, Ricardo Tomé, Luis Gimeno, Ricardo M. Trigo, Margarida L. R. Liberato, David A. Lavers (2016) Atmospheric rivers moisture sources from a Lagrangian perspective. Earth Syst. Dynam., 7, 371–384, 2016. doi:10.5194/esd-7-371-2016

Juan A. Ferreira, Margarida L.R. Liberato, Alexandre M. Ramos (2016) On the relationship between atmospheric water vapour transport and extra-tropical cyclones development. Physics and Chemistry of the Earth (in press 2016).

S. Pereira, A. M. Ramos, J. L. Zêzere, R. M. Trigo, J. M. Vaquero (2016) Spatial impact and triggering conditions of the exceptional hydro-geomorphological event of December 1909 in Iberia. Nat. Hazards Earth Syst. Sci., 16, 371–390, 2016

María N. Lorenzo, Alexandre M. Ramos, Swen Brands (2016) Present and future climate conditions for winegrowing in Spain. Regional Environmental Change (2016) 16: 617. doi:10.1007/s10113-015-0883-1

Ana Cordeiro Pires, Rita Nolasco, Alfredo Rocha, Alexandre M. Ramos, Jesus Dubert (2016) Climate change in the Iberian Upwelling System: a numerical study using GCM downscaling. Climate Dynamics (2016), 47:451–464. doi:10.1007/s00382-015-2848-y

Pedro M. Sousa, David Barriopedro, Ricardo M. Trigo, Alexandre M. Ramos, Raquel Nieto, Luis Gimeno, K. F. Turkman, Margarida L. R. Liberato (2016) Impact of Euro-Atlantic blocking patterns in Iberia precipitation using a novel high resolution dataset. Climate Dynamics (2016) 46: 2573, doi:10.1007/s00382-015-2718-7


Ricardo M. Trigo, Catarina Ramos, Susana S. Pereira, Alexandre M. Ramos, José L. Zêzere, Margarida L.R. Liberato (2015) The deadliest storm of the 20th century striking Portugal: Flood impacts and atmospheric circulation. Journal of Hydrology (2015, in press). doi:

Alexandre M. Ramos, David Barriopedro, Emanuel Dutra (2015) Circulation weather types as a tool in atmospheric, climate, and environmental research. Front. Environ. Sci., 3:44.

Trigo R.M., Ramos A.M. (2015) Iberia, in State of the Climate in 2014. Special Supplement to the Bulletin of the American Meteorological Society Vol. 96, No. 7

Ramos A.M., Trigo R.M., Liberato M.L.R., Tomé R. (2015) Daily precipitation extreme events in the Iberian Peninsula and its association with Atmospheric Rivers. Journal of Hydrometeorology

Domínguez-Castro F., Ramos A. M., García-Herrera R., Trigo, R. M (2015) Iberian extreme precipitation 1855/1856: an analysis from early instrumental observations and documentary sources. International Journal Climatolology, DOI:10.1002/joc.3973

de Lima M.I.P., Santo F.E., Ramos A.M. , Trigo, R.M. (2015) Trends and correlations in annual extreme precipitation indices for mainland Portugal, 1941-2007. Theoretical and Applied Climatology ,DOI:10.1007/s00704-013-1079-6


Ramos A.M., Sprenger M., Wernli H., Durán-Quesada A., Lorenzo M. and Gimeno L. (2014) A new circulation type classification based upon Lagrangian air trajectories. . Front. Earth Sci. 2:29. doi: 10.3389/feart.2014.00029

Ramos A.M., Cortesi N. and Trigo R.M. (2014) Circulation weather types and spatial variability of daily precipitation in the Iberian Peninsula.. Front. Earth Sci. 2:25. doi: 10.3389/feart.2014.00025

Cortesi N., Gonzalez-Hidalgo J. C., Trigo R.M., Ramos A. M. (2014) Weather types and spatial variability of precipitation in the Iberian Peninsula. Int. J. Climatol. 34: 2661–2677 DOI: 10.1002/joc.3866

Ramos A.M., Trigo R.M., Liberato M. L. R (2014) A ranking of high-resolution daily precipitation extreme events for the Iberian Peninsula. Atmospheric Science Letters, DOI: 10.1002/asl2.507

Cordeiro Pires A., Nolasco A., Roch A., Ramos A.M., Duber J. (2014) Global climate models as forcing for regional ocean modeling: a sensitivity study in the Iberian Basin (Eastern North Atlantic). Climate Dynamics, DOI:10.1007/s00382-014-2151-3

Trigo R.M., Varino F., Ramos A.M., Valente M.A., Zêzere J.L., Vaquero J.M., Gouveia C.M., Russo A. (2014) The record precipitation and flood event in Iberia in December 1876: description and synoptic analysis. Frontiers Environmental Sciences, 2:3, DOI: 10.3389/feart.2014.00003

Santo F.E., de Lima M.I.P., Ramos A.M., Trigo R.M. (2014) Trends in seasonal surface air temperature in mainland Portugal, since 1941. International Journal Climatolology, 34: 1814–1837, doi: 10.1002/joc.3803

Santo F.E., Ramos A.M., de Lima M.I.P., Trigo, R.M. (2014) Seasonal changes in daily precipitation extremes in mainland Portugal from 1941 to 2007. Regional Environmental Change, DOI:10.1007/s10113-013-0515-6


Cortesi N., Trigo R.M., Gonzalez-Hidalgo J.C., Ramos A.M. (2013) Modelling monthly precipitation with circulation weather types for a dense network of stations over Iberia. Hydrol. Earth Syst. Sci., 17, 665– 678, doi:10.5194/hess-17-665-2013.

Ramos A.M., Cordeiro Pires A., Sousa P.M., Trigo R.M. (2013) The use of circulation weather types to predict upwelling activity along the western Iberian Peninsula coast. Continental Shelf Research, 69, 38:51

Trigo R.M., Barriopedro D., A.M. Ramos, Parker D.E., Mühr B., Ehmann C., Bissolli P., Kennedy J.J. (2013) Iberia, in State of the Climate in 2012. Bulletin of the American Meteorological Society, 94 (8), S176-S178


Liberato M. L. R., Ramos A. M., Trigo R. M., Trigo I. F., Durán-Quesada A. M., Nieto R., Gimeno L. (2012) Moisture Sources and Large-Scale Dynamics Associated With a Flash Flood Event. Lagrangian Modeling of the Atmosphere, Geophysical Monograph Series. DOI: 10.1029/2012GM001244

Lorenzo M. N., Taboada J. J., Lorenzo J. F., Ramos A. M. (2012) Influence of climate on grape production and wine quality in the Rías Baixas, north-western Spain. Regional Environmental Change. doi: 10.1007/s10113-012-0387-1

de Lima Isabel, F.E. Santo, Ramos A.M., João L.M.P. de Lima (2012) Recent changes in daily precipitation and surface air temperature extremes in mainland Portugal, in the period 1941-2007. Atmospheric Research. doi: 10.1016/j.atmosres.2012.10.001


deCastro M, Gomez-Gesteira M, Ramos A.M., Álvarez I, deCastro P (2011) Effects of heat waves on human mortality, Galicia, Spain. Climate Research, vol. 48: 333–341. doi:10.3354/cr00988

Lorenzo MN, Ramos A.M., Tabuada JJ, Gimeno L (2011) Changes in present and future circulation types frequency in northwest Iberian Peninsula.. PLoS ONE 6(1):e16201. doi:10.1371/journal.pone.0016201

Gómez-Gesteira M., Gimeno L., deCastro M., Lorenzo M.N., Alvarez I., Nieto R., Crespo A.J.C., Ramos A.M., Taboada J.J., Santo F.E., Barriopedro D., Trigo I.F. (2011) The state of climate in NW Iberia. Clim Res 48:109–144

Gouveia C, Liberato M.L.R., DaCamara C.C., Trigo, R.M., Ramos A.M. (2011) Modelling past and future wine production in the Portuguese Douro Valley. Climate Research (in press)

Ramos A.M., Trigo R.M., Santo F.E. (2011) Evolution of extreme temperatures over Portugal: reporting on recent changes and future scenarios. Climate Research, Vol. 48: 177–192, 2011 doi: 10.3354/cr00934

Ramos A.M., Ramos R., Sousa P., Trigo R.M., Janeira M., Prior V. (2011) Cloud to ground lightning activity over Portugal and its association with Circulation Weather Types. Atmospheric Research, 101, 84-101, doi:10.1016/j.atmosres.2011.01.014


Ramos A.M., Lorenzo MN, Gimeno L (2010) Compatibility between modes of low frequency variability and Circulation Types: a case study of the North West Iberian Peninsula. Jounal of Geophysical Research vol. 115, D02113, doi:10.1029/2009JD012194


Trigo R.M., Ramos A. M., Nogueira P., Santos F.D., Garcia-Herrera R., Gouveia C. and Santo F.E. (2009) Evaluating the impact of extreme temperature based indices in the 2003 heatwave excessive mortality in Portugal. Environmental Science & Policy, 12, 844 - 854


Trigo R.M., Valente M.A., Trigo I.F., Miranda M., Ramos A.M., Paredes D., García-Herrera R. (2008) The Impact of North Atlantic Wind and Cyclone Trends on European Precipitation and Significant Wave Height in the Atlantic. Annals of the New York Academy of Sciences, 1146, 212-234, doi: 10.1196/annals.1446.014

Andrade C., Trigo R.M., Freitas M.C., Gallego M.C., Borges P., Ramos A.M. (2008) Comparing Historic Records of Storm frequency and the North Atlantic Oscillation (NAO) chronology for the Azores region. The Holocene, 18, 745-754


Trigo R.M., Garcia-Herrera R., Paredes D., Ramos A.M. (2007) Iberia, in State of the Climate in 2006. Bulletin of the American Meteorological Society, 88, S106-S107